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Cisco Systems A9K24X10GETR Getting Started Guide

1. Entering cancel leaves the router in the current configuration session without exiting or committing the configuration changes Step9 show interfaces MgmtEthrack Sslot CPU0 port Displays statistics for the management interfaces configured on the router Example RP 0 RSPO CPUO router config interface MgmtEth O RPO CPUO O Examples In the following example the Management Ethernet interface on the RSP in slot RSP1 is configured with an IP address P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C AAA AAA ADA Mgmt Eth0 RS PUO PUO PUO PUO PUO PUO PUO router configure PUO router config interface MgmtEth0 RSP1 CPU0 0 router config if ipv4 address 10 1 1 1 255 255 255 0 router config if gt router config if commit router config if router router show interfaces mgmtEth 0 RSP0 CPU0 0 no shutdown end PO CPU0 0 is up line protocol is up Hardware is Management Ethernet address is 0011 93ef e8ea bia 0011 93ef e8e Description Connected to Lab LAN Internet address is 10 1 1 1 24 MTU 1514 bytes BW 100000 Kbit reliability 255 255 txload Unknown rxload Unknown Encapsulation ARPA loopback not set ARP type ARPA ARP timeout 04 00 00 Last clearing of Show interface counters never 5 minute input rate 0 bits sec 0 packets sec 5 minute output rate 0 bits sec 0 packets sec 375087 packets input 2271
2. parentheses space braces comma and underscore _ The underscore can be used to specify that a pattern exists anywhere in the string For example _1300_ matches any string that has 1300 somewhere in the string and is preceded by or followed by a space brace comma or underscore Although _1300_ matches the regular expression 1300_ it does not match the regular expressions 21300 and 13000t The underscore can replace long regular expression lists For example instead of specifying A1300 1300 1300 1300 1300 1300 1300 simply specify _1300_ Parentheses Used for Pattern Recall Use parentheses with multiple character regular expressions to multiply the occurrence of a pattern IOS XR can remember a pattern for use elsewhere in the regular expression Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide a E OL 17502 01 Appendix A Understanding Regular Expressions Special Characters and Patterns Parentheses Used for Pattern Recall Mi FINAL DRAFT Cisco Confidential To create a regular expression that recalls a previous pattern use parentheses to indicate memory of a specific pattern and a backslash followed by a digit to reuse the remembered pattern The digit specifies the occurrence of a parenthesis in the regular expression pattern When there is more than one remembered pattern in the regular expression 1 indicates the first remembered pattern 2 indicates
3. Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Interfaces Not Coming Up Step 6 Step 7 Step 8 FINAL DRAFT Cisco Confidential RP 0 RSPO CPUO router config 1f end RP 0 RSPO CPUO router If the interface state is still displayed as Down verify that the physical cable connections are correctly installed The following message indicates that the interface has either a bad connection or no connection LC 0 0 1 Sep 29 15 31 12 921 SON ALARM Verify again RP 0 RSPO C Interface gi0 1 0 0 gi0 1 0 1 gi0 1 0 2 gi0 1 0 3 gi0 1 0 4 gi0 1 0 5 gi0 1 0 6 gi0 1 0 7 gi0 1 0 8 gi0 1 0 9 gi0 1 0 1 gi0 1 0 1 gi0 1 0 1 gi0 1 0 1 gi0 1 0 1 gi0 1 0 1 gi0 2 0 0 gi0 2 0 1 gi0 2 0 2 gi0 2 0 3 OPWNR O ET0_1_1_0 TenGigE0 3 0 0 TenGigE0 3 0 2 MgmtEth0 RSPO CPUO O SLOS plim 4p oc192 183 IP Address unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned unassigned 10 10 1 101 10 51 11 10 sds D2 unassigned unassigned unassigned unassigned PUO0 router show ipv4 interface brief Status Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Shutdown Up Up Up Shutdown Shutdown Shutdown Shutdown SONET 4 that the in
4. RP 0 RSPO CPUO router config ipv4 access list list1 lt 1 2147483646 gt Sequence number for this entry deny Specifies packets to reject permit Specifies packets to forward remark Comment for access list lt cr gt RP 0 RSPO CPUO router config ipv4 access list listl Type the deny option and a question mark to see more command options RP 0 RSPO CPUO router config ipv4 access list listl deny lt 0 255 gt An IPv4 Protocol Number A B C D Source IP address or prefix ahp Authentication Header Protocol any Any source host eigrp Cisco s EIGRP Routing Protocol esp Encapsulation Security Payload gre Cisco s GRE Tunneling host A single source host icmp Internet Control Message Protocol igmp Internet Gateway Message Protocol igrp Cisco s IGRP Routing Protocol ipinip IP in IP tunneling ipv4 Any IPv4 Protocol nos KA9Q NOS Compatible IP over IP Tunneling osp OSPF Routing Protocol pcp Payload Compression Protocol pim Protocol Independent Multicast sctp Stream Control Transmission Protocol tcp Transport Control Protocol udp User Datagram Protocol RP 0 RSPO CPU0 router config ipv4 access list listl deny Type an IP address followed by a space and a question mark to list additional options RP 0 RSPO CPUO router config ipv4 access list listl deny 172 31 134 0 A B C D Wildcard bits log Log matches against this entry log input Log matches against this entry including input in
5. RP O0 RSPO CPU0O router ping 10 1 1 1 Type escape sequence to abort Sending 5 100 byte ICMP Echos to 10 1 1 1 timeout is 2 seconds Success rate is 0 percent 0 5 The following example shows the output of ping through the fabric RP O0 RSP1 CPU0 router admin ping fabric location 0 6 5 Src node 529 O RSP1 CPUO Dest node 109 O 6 5 Local node 529 O0O RSP1 CPUO Packet cnt 1 Packet size 128 Payload ptn type default 0 Hold off ms 300 Time out s 2 Max retries 5 Running Fabric node ping Please wait Src 529 Dest 109 Sent 1 Rec d 1 Mismatched 0 Min Avg Max RTT 20000 20000 20000 Fabric node ping succeeded for node 109 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 62 E OL 17502 01 Chapter6 Troubleshooting the Cisco 10S XR Software Basic Troubleshooting Commands Mi FINAL DRAFT Cisco Confidential Using the traceroute Command Examples Use the traceroute command in EXEC mode to discover the routes that packets take when traveling to their destination Enter a hostname or an IP address as an argument to this command This command works by taking advantage of the error messages generated by routers when a datagram exceeds its time to live TTL value The traceroute command starts by sending probe datagrams with a TTL value of 1 causing the first router to discard the probe datagram and send back an error message The traceroute command se
6. CLI Tips Techniques and Shortcuts M Viewing System Information with show Commands FINAL DRAFT Cisco Confidential Common show Commands Some of the most common show commands are described in Table 5 2 Table 5 2 Common show Commands in Cisco IOS XR Software Command Description Command Mode show version Displays system information EXEC or administration EXEC mode show configuration Displays the uncommitted configuration changes made during a Global or configuration session administration configuration mode show running config EXEC or Displays the current running configuration for the RP to which EXEC or global global configuration mode you are connected configuration mode show running config Displays the current running configuration that applies to the administration administration EXEC or entire router EXEC or administration configuration mode administration configuration mode show tech support Collects a large amount of system information for EXEC or troubleshooting You can provide this output to technical support administration representatives when reporting a problem EXEC mode show platform EXEC mode Displays information about cards and modules assigned to the RP EXEC mode to which you are connected show platform administration Displays information about all cards and modules in the router administration EXEC mode EXEC mode show environment Displays hardware information for th
7. Define permission to perform particular tasks pooled into a task group that is then assigned to users The commands each user can perform are defined by the user groups to which he or she belongs Commands for a particular feature like access control lists are assigned to tasks Each task is uniquely identified by a task ID If a user wants to use a particular command his or her username must be associated with the appropriate task ID The association between a username and a task ID takes place through two intermediate entities the user group and task group The user group is a logical container used to assign the same task IDs to multiple users Instead of assigning task IDs to each user assign them to the user group Then assign users to that user group When a task is assigned to a user group define the access rights for the commands associated with that task These rights include read write execute and notify The task group is also a logical container but it groups tasks Instead of assigning task IDs to each user group you assign them to a task group This allows you to quickly enable access to a specific set of tasks by assigning a task group to a user group Users are not assigned to groups by default and must be explicitly assigned by an administrator Note Only root system users root lr users or users associated with the WRITE AAA task ID can configure task groups 0L 17502 01 Cisc
8. cre 32 keepalive disable interface Gi0 1 0 3 ipv4 address 10 2 3 gi crc 32 i keepalive disable More 4 5 6 7 255 255 255 0 255 255 255 0 255 255 255 0 255 255 6255 0 In the following example the state of all Gigabit Ethernet interfaces appears RP 0 RSP1 CPU0 router show interfaces gi brief Intf Intt LineP Encap MTU BW Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Ea OL 17502 01 Chapter5 CLI Tips Techniques and Shortcuts Wildcards Templates and Aliases Mi FINAL DRAFT Cisco Confidential Name State State Type byte Kbps Gi0 1 0 0 up up HDLC 4474 2488320 Gi0 1 0 1 up up HDLC 4474 2488320 Gi0 1 0 2 up up HDLC 4474 2488320 Gi0 1 0 3 up up HDLC 4474 2488320 Gi0 1 0 4 up up HDLC 4474 2488320 Gi0 1 0 5 up up HDLC 4474 2488320 Gi0 1 0 6 up up HDLC 4474 2488320 Gi0 1 0 7 up up HDLC 4474 2488320 Gi0 1 0 8 up up HDLC 4474 2488320 Gi0 1 0 9 up up HDLC 4474 2488320 Gi0 1 0 10 up up HDLC 4474 2488320 Gi0 1 0 11 up up HDLC 4474 2488320 Gi0 1 0 12 up up HDLC 4474 2488320 Gi0 1 0 13 up up HDLC 4474 2488320 Gi0 1 0 14 up up HDLC 4474 2488320 Gi0 1 0 15 up up HDLC 4474 2488320 Creating Configuration Templates Configuration templates allow you to create a name that represents a group of configuration commands After a template is defined it can be applied to interfaces by you or other users As networks scale to large numbers of nodes a
9. e yes Commit the configuration changes and exit configuration mode e no Exit configuration mode without committing the configuration changes e cancel Remain in configuration mode without committing the configuration changes Note In EXEC mode the exit command logs the user out of the system Aborting a Configuration Session When you abort a configuration session any changes are discarded and the configuration session ends No warning is given before the configuration changes are deleted In global configuration mode the abort command discards configuration changes and returns to EXEC mode In administration configuration mode the abort command discards configuration changes and returns to administration EXEC mode To abort a configuration session type the abort command as shown in the following example P 0 RSPO CPU0 router configure P O RSPO CPUO router config hostname host1 P O RSPO CPUO router config interface Gi 0 2 0 2 P O RSPO CPUO router config 1f description this is my interface P O RSPO CPUO router config if it ipv4 address 10 1 1 1 255 0 0 0 P O RSPO CPUO router config if shutdown P 0 RSPO CPU0 router config if abort P 0 RSPO CPUO0 router AA AAA AAA Configuring the RSP Hostname The hostname identifies an RSP on the network Although devices can be uniquely identified by their Layer 2 and Layer 3 addresses such as an IP address it is often simpler to rem
10. 47 minutes System image file is bootflash disk0 asr9k os mbi 3 7 2 10I mbiasr9k rp vm cisco ASR9K Series MPC8641D processor with 4194304K bytes of memory MPC8641D processor at 1333MHz Revision 2 2 40 GigabitEthernet IEEE 802 3 interface s 2 Ethernet IEEE 802 3 interface s 12 TenGigabitEthernet IEEE 802 3 interface s 219k bytes of non volatile configuration memory Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EIN OL 17502 01 Chapter3 Configuring General Router Features Navigating Cisco IOS XR Software Command Modes Mi FINAL DRAFT Cisco Confidential 975M bytes of compact flash card 33994M bytes of hard disk 1605616k bytes of disk0 Sector size 512 bytes 1605616k bytes of disk1 Sector size 512 bytes Configuration register on node O RSPO CPUO is 0x2 Boot device on node 0O RSPO CPUO is disk0 More Command Mode Navigation Example Step 1 Step 2 The following steps provide an example of command mode navigation Start a session by logging in to the router and entering EXEC mode as shown in the following example router is now available Press Enter to get started User Access Verification Username asr9k Password lt secret gt RP 0 RSPO CPU0 router From EXEC mode you can issue EXEC commands or enter global configuration mode Examples of EXEC commands are the show commands used to display system status and cl
11. interfaces RP 0 RSP1 CPU0 router show ospf 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter 4 Configuring Additional Router Features M Configuration Limiting FINAL DRAFT Cisco Confidential Routing Process ospf 100 with ID 0 0 0 0 Supports only single TOS TOSO routes Supports opaque LSA It is an area border router Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Initial LSA throttle delay 500 msecs Minimum hold time for LSA throttle 5000 msecs Maximum wait time for LSA throttle 5000 msecs Minimum LSA interval 5 secs Minimum LSA arrival 1 secs Maximum number of configured interfaces 255 More The following example configures the maximum interface limit on a router P 0 RSP1 CPU0 router configure P O RSP1 CPUO router config router ospf 100 P O RSP1 CPUO router config router maximum interfaces 600 P O RSP1 CPUO router config router end ncommitted changes found commit them yes y G A A A A Qa he changes oO Wc y cisco RP O RSP1 CPU0 router show ospf Routing Process ospf 100 with ID 0 0 0 0 Supports only single TOS TOSO routes Supports opaque LSA It is an area border router Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum w
12. 1 255 255 255 255 Assigns an IP address and subnet mask to the interface no shutdown Example RP 0 RSPO CPU0 router config if no shutdown Enables the interface to carry traffic exit Example RP 0 RSPO CPUO RO C config sh config Building configuration interface MgmtEth0 RSPO CPUO O ipv4 address 1 1 1 1 255 255 255 255 end Exits the Management Ethernet interface configuration mode router static address family ipv4 unicast 0 0 0 0 0 default gateway Example RP 0 RSPO CPU0 router config static address family ipv4 unicast Establishes a static route commit Example RP 0 RSPO CPU0 RO C config commit Commits the target configuration to the running configuration Configuring General Router Features OL 17502 01 Chapter3 Configuring General Router Features Configuring the Management Ethernet Interface FINAL DRAFT Cisco Confidential Command or Action Purpose Step8 end Saves configuration changes e When you issue the end command the system Example prompts you to commit changes Uncommitted changes found commit them before exiting yes no cancel cancel Entering yes saves configuration changes to the running configuration file exits the configuration session and returns the router to EXEC mode Entering no exits the configuration session and returns the router to EXEC mode without committing the configuration changes
13. Aggregation Services Router Getting Started Guide lt OL 17502 01 Chapter 6 Troubleshooting the Cisco IOS XR Software Basic Troubleshooting Commands Mi FINAL DRAFT Cisco Confidential Viewing Debugging Status Type the show debug command to display the debugging features enabled for your terminal session The terminal session is labeled tty and represents your connection to the router through a specific port which might be the console port auxiliary port or Management Ethernet interface In the following example the command display indicates that debugging is enabled for two features AAA and ipv4 io icmp from a terminal session on the console port of RSP1 RP 0 RSPO CPU0 router show debug debug flags set from tty con0_RSP1_CPUO aaa all flag is ON ipv4 io icmp flag is ON RP 0 RSPO CPUO router no debug aaa all RP 0 RSPO CPUO router show debug debug flags set from tty con0_RSP1_CPUO ipv4 io icmp flag is ON The preceding example is for a Cisco CRS 1 router On a Cisco XR 12000 Series Router the slot number of the tty ID is 0 or 1 instead of RSPO or RSP1 Type the show debug conditions command to display the conditional debugging status For example RP 0 RSPO CPU0 router show debug conditions debug conditions set from tty con0_RSP1_CPUO interface condition is ON for interface gi0 2 0 1 Disabling Debugging for a Service Use the no form of the debug command or t
14. Connecting to the Router Through the Console Port section on page 1 11 e When you have successfully connected to the router through the Console port the router displays the prompt Username Step2 Type the username for the root system login and press Sets the root system username which is used to log in to the Enter router Step3 Type the password for the root system login and press Creates an encrypted password for the root system Enter username Note This password can be changed with the secret command Step4 Retype the password for the root system login and Allows the router to verify that you have entered the same press Enter password both times e Ifthe passwords do not match the router prompts you to repeat the process Step5 Log in to the router Establishes your access rights for the router management session e Type the root system username and password that were created earlier in this procedure e After you log in the router displays the CLI prompt which is described in the CLI Prompt section on page 3 6 Examples The following example shows the root system username and password configuration for a new router and it shows the initial log in Administrative User Dialog Enter root system username cisco Enter secret Enter secret again RP 0 0 CPUO Jan 10 12 50 53 105 exec 65652 MGBL CONFIG 6 DB_COMMIT Administration configuration committed by system Use show configuration commit ch
15. DRAFT Cisco Confidential end Simple Administration Configuration Session Example The following example shows a simple administration configuration session in which the target configuration is created and previewed in administration configuration mode RP 0 RSPO0 CPUO routert admin RP 0 RSPO CPUO router admin configure RP 0 RSPO CPUO router admin config sdr test RP 0 RSPO CPUO router admin config sdr test location 0 1 SP RP 0 RSPO CPUO router admin config sdr test show configuration Building configuration sdr test location 0 1 SP end Starting an Exclusive Configuration Session An exclusive configuration session allows you to configure the administration configuration or an RSP and lock out all users from committing configuration changes until you are done Other users can still create and modify a target configuration but they cannot commit those changes to the running configuration until you exit During regular configuration sessions the running configuration is locked whenever a commit operation is being performed This automatic locking ensures each commit operation is completed before the next one begins Other users receive an error message if they attempt to commit a target configuration while another commit operation is under way To start an exclusive configuration session for an RSP connect to that RSP and type the configure exclusive command RP 0 RSPO CPU0 router configure excl
16. Guide ss E OL 17502 01 Chapter5 CLI Tips Techniques and Shortcuts Key Combinations Mi FINAL DRAFT Cisco Confidential Key Combinations to Move the Cursor Table 5 8 shows the key combinations or sequences you can use to move the cursor around on the command line to make corrections or changes When you use cursor control keys consider the following guidelines e Ctrl indicates the Control key which must be pressed simultaneously with its associated letter key e Esc indicates the Escape key which must be pressed first followed by its associated letter key e Keys are not case sensitive Table 5 8 Key Combinations Used to Move the Cursor Keystrokes Function Moves the Cursor Left arrow or Ctrl B Back character One character to the left When you enter a command that extends beyond a single line you can press the left arrow or Ctrl B keys repeatedly to scroll back toward the system prompt and verify the beginning of the command entry or you can press the Ctrl A key combination Right arrow or Ctrl F Forward character One character to the right Esc B Back word Back one word Esc F Forward word Forward one word Ctrl A Beginning of line To the beginning of the line Ctrl E End of line To the end of the command line Keystrokes to Control Capitalization Letters can be uppercase or lowercase using simple key sequences Table 5 9 describes the keystroke combinations used to control capita
17. Router System Security Packages Management Configuration Guide Descriptions of the XML server commands Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference Managing Configuration History and Rollback After each commit operation the system saves a record of committed configuration changes This record has only changes made during the configuration session it does not contain the complete configuration Each record is assigned a unique ID a commitID Using a commitID you can Identify the previous configuration to which to return Before rolling back the configuration to a specific commitID consider the following You cannot roll back to a configuration removed because of package incompatibility Configuration rollbacks only succeed when the configuration passes all compatibility checks with the active Cisco IOS XR Software release Ifthe system finds an incompatible configuration during rollback the operation fails and an error appears Load configuration changes made during a configuration session Load configuration changes from multiple commitIDs Clear commitIDs Cisco IOS XR automatically saves up to 100 of the most recent commitIDs The following sections describe how to manage configuration changes and roll back to a previously committed configuration Viewing CommitIDs page 4 7 Viewing Configuration Changes Recorded in a CommitID page 4 7 Previewing Rollback Confi
18. Specific Multicast SSM and Sparse Mode SM Multicast Source Discovery Protocol MSDP and Anycast Rendezvous Point RP IGMP v2 v3 Snooping This Layer 2 mechanism efficiently tracks multicast membership on an L2VPN network Individual IGMP joins are snooped at the VLAN level or pseudowire level and then summarizes results into a single upstream join message In residential broadband deployments this feature enables the network to send only channels that are being watched to the downstream users The router uses Ethernet as its transport mechanism this offers the following Ethernet virtual connections EVCs Ethernet services are supported using individual EVCs to carry traffic belonging to a specific service type or end user through the network You can use EVC based services in conjunction with MPLS based L2 VPNs and native IEEE bridging deployments Flexible VLAN classification VLAN classification into Ethernet flow points EFPs includes single tagged VLANs double tagged VLANs QinQ and IEEE 802 1ad contiguous VLAN ranges and noncontiguous VLAN lists IEEE Bridging The software supports native bridging based on IEEE 802 1Q IEEE 802 1ad and QinQ VLAN encapsulation mechanisms on the router IEEE 802 1s Multiple Spanning Tree MST MST extends the IEEE 802 1w Rapid Spanning Tree Protocol MSTP to multiple spanning trees providing rapid convergence and load balancing 0L 17502 01 Cisco ASR 9000 Series Aggregation
19. WRITE EXECUTE DEBUG Task ancp READ WRITE EXECUTE DEBUG Task atm READ WRITE EXECUTE DEBUG Task basic services READ WRITE EXECUTE DEBUG Task bedl READ WRITE EXECUTE DEBUG Task bfd READ WRITE EXECUTE DEBUG Task bgp READ WRITE EXECUTE DEBUG Task boot READ WRITE EXECUTE DEBUG Task bundle READ WRITE EXECUTE DEBUG Task cdp READ WRITE EXECUTE DEBUG Task cef READ WRITE EXECUTE DEBUG Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Eu OL 17502 01 Chapter3 Configuring General Router Features Task config mgmt Task config services Task crypto Task diag Task drivers More READ READ READ READ READ Navigating Cisco IOS XR Software Command Modes Mi FINAL DRAFT Cisco Confidential WRITE EXECUTE DEBUG WRITE EXECUTE DEBUG WRITE EXECUTE DEBUG WRITE EXECUTE DEBUG WRITE EXECUTE DEBUG Navigating Cisco IOS XR Software Command Modes The Cisco IOS XR Software CLI has different command modes Each mode provides access to a subset of commands used to configure monitor and manage the router Access to a mode is determined by your user group The following sections describe the navigation of the command modes e Identifying the Command Mode in the CLI Prompt page 3 12 e Common Command Modes page 3 12 e Entering EXEC Commands from a Configuration Mode page 3 14
20. buffer manager Show all buffer manager memory related information bundle Show hardware related information for Bundles calendar Display the system calendar cdp CDP information cef Cisco Express Forwarding cetftp HFR control plane ethernet TFTP server checkpoint Show checkpoint services cinetd cinetd daemon clns Display CLNS related information clock Display the system clock commit Show commit information More Tip If you do not see the More prompt try entering a value for the screen length with the terminal length command in EXEC mode Command output is not paused if the length value is set to zero The following example shows how to set the terminal length RP 0O RSP1 CPU0 router terminal length 20 For information on searching or filtering CLI output see the Filtering show Command Output section on page 5 9 Halting the Display of Screen Output To interrupt screen output and terminate a display press Ctrl C as shown in the following example RP 0 RSPO CPU0 router show running config lt Ctrl C gt Redirecting Output to a File By default CLI command output appears on screen CLI command output can be redirected to a user specified file by entering a filename and location after the show command syntax The following command syntax is used to redirect output to a file show command file filename This feature enables you to save any show command output in a file for further analysis and referen
21. command in global configuration mode or in any submode as shown in the following example RP 0 RSPO CPU0 router config if show configuration Building configuration interface tunnel te2 description faq end To display the target administration configuration changes you have entered type the show configuration command in administration configuration mode or in any submode as shown in the following example RP 0 RSPO CPUO router admin config sdr test show configuration Building configuration sdr test location 0 1 SP end Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EZ OL 17502 01 Chapter 3 Configuring General Router Features Managing Configuration Sessions Mi FINAL DRAFT Cisco Confidential Viewing a Combined Target and Running Configuration Although the target and running configurations remain separate until the target configuration is committed you can preview the combined target and running configuration without committing the changes The combined configuration shows what the new running configuration will look like after the changes from the target configuration are committed It does not represent the actual running configuration You can preview the combined configuration in global configuration and administration configuration modes You cannot preview the combined configuration in EXEC modes because the target configuration must be committed or abandon
22. end of the command line shows the command has been scrolled to the right and the end of the command is hidden RP 0 RSPO CPU0 router config ipv4 access list 101 permit tcp 172 31 134 5 255 255 255 0 17 In the next example the right arrow key has been used to scroll to the right Notice that dollar sign symbols appear at both ends of the line which indicates that command information is hidden from the beginning and end of the command RP 0 RSPO CPUO router config ccess list 101 permit tcp 172 31 134 5 255 255 255 0 172 31 By default the Cisco IOS XR software uses a terminal screen 80 columns wide To adjust for a different screen width use the terminal width command in EXEC mode Use line wrapping with the command history feature to recall and modify previous complex command entries Viewing System Information with show Commands The show commands display information about the system and its configuration The following sections describe some common show commands and provide techniques to manage the output from those commands e Common show Commands page 5 6 e Browsing Display Output when the More Prompt Appears page 5 6 e Halting the Display of Screen Output page 5 7 e Redirecting Output to a File page 5 7 e Narrowing Output from Large Configurations page 5 8 e Filtering show Command Output page 5 9 OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter 5
23. fails Multisegment pseudowire stitching Multisegment pseudowire stitching is a method for interworking two pseudowires together to form a cross connect relationship The router supports multicast this offers the following OAM IPv4 Multicast IPv4 Multicast supports Internet Group Management Protocol Versions 2 and 3 IGMPv2 v3 Protocol Independent Multicast Source Specific Multicast SSM and Sparse Mode SM Multicast Source Discovery Protocol MSDP and Anycast Rendezvous Point RP IGMP v2 v3 Snooping This Layer 2 mechanism efficiently tracks multicast membership on an L2VPN network Individual IGMP joins are snooped at the VLAN level or pseudowire level and then summarizes results into a single upstream join message In residential broadband deployments this feature enables the network to send only channels that are being watched to the downstream users The router supports different types of operations administration and maintenance OAM this offers the following E OAM IEEE 802 3ah Ethernet link layer OAM is a vital component of EOAM that provides physical link OAM to monitor link health and assist in fault isolation Along with IEEE 802 lag Ethernet link layer OAM can be used to assist in rapid link failure detection and signaling to remote end nodes of a local failure E OAM IEEE 802 lag Ethernet Connectivity Fault Management is a subset of EOAM that provides numerous mechanisms and procedures that allow dis
24. fast convergence mechanism for aggregating and connecting to Ethernet based access rings Virtual Private LAN Services VPLS VPLS is a class of VPN that supports the connection of multiple sites in a single bridged domain over a managed IP MPLS network It presents an Ethernet interface to customers simplifying the LAN and WAN boundary for service providers and customers and enabling rapid and flexible service provisioning because the service bandwidth is not tied to the physical interface All services in a VPLS appear to be on the same LAN regardless of location Hierarchical VPLS H VPLS H VPLS provides a level of hierarchy at the edge of the VPLS network for increased scale QinQ access and H VPLS pseudowire access options are supported Virtual Private WAN Services Ethernet over MPLS VPWS EoMPLS EoMPLS transports Ethernet frames across an MPLS core using pseudowires Individual EFPs or an entire port can be transported over the MPLS backbone using pseudowires to an egress interface or subinterface Pseudowire redundancy Pseudowire redundancy supports the definition of a backup pseudowire to protect a primary pseudowire that fails Multisegment pseudowire stitching Multisegment pseudowire stitching is a method for interworking two pseudowires together to form a cross connect relationship IPv4 Multicast IPv4 Multicast supports Internet Group Management Protocol Versions 2 and 3 IGMPv2 v3 Protocol Independent Multicast Source
25. page 4 23 e Multicast Configuration Limits page 4 24 e MPLS Configuration Limits page 4 25 e Other Configuration Limits page 4 25 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 EN Chapter4 Configuring Additional Router Features M Configuration Limiting FINAL DRAFT Cisco Confidential Static Route Configuration Limits Table 4 4 summarizes the maximum limits for static routes including the commands used to display and change the limits Table 4 4 Static Route Configuration Limits and Commands Default Absolute Configuration Command Maximum Maximum Static Router Configuration Show Current Settings Command Feature Limit Description Limit Limit Mode EXEC or Global Configuration Mode Maximum static IPv4 routes 4000 40 000 maximum path ipv4 n show running config router static Examples In the following example the maximum number of static IPv4 routes is changed to 5000 and the new configuration appears RP 0 RSP1 CPUO router configure RP 0 RSP1 CPUO router config router static RP 0 RSP1 CPUO router config static maximum path ipv4 5000 RP 0 RSP1 CPUO router config static commit RP 0 RSP1 CPUO router config static show running config router static router static maximum path ipv4 5000 address family ipv4 unicast 0 0 0 0 0 172 29 52 1 l IS IS Configuration Limits Table 4 5 summarizes the maximum limits for Intermediate System to
26. route process controller making it the primary RSP During fail over or switch over the active role migrates to the standby RSP Management Interfaces Although there is no need to set up general router configuration information you do need to configure management interfaces manually Configure management ports on RSPO RSP1 or both at the same time e Telnet e Secure Shell SSH e Console Server The router provides different router management interfaces described in the following sections 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide jg Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router M initial Router Configuration FINAL DRAFT Cisco Confidential e Command Line Interface page 1 10 e Extensible Markup Language API page 1 10 e Simple Network Management Protocol page 1 10 Command Line Interface The CLI is a user interface for monitoring and maintaining the router and also for configuring basic router features Through the CLI you execute the Cisco IOS XR commands All procedures in this guide use CLI Before you can use other router management interfaces first use the CLI to install and configure those interfaces Guidelines for using CLI to configure the router are discussed in the following chapters e Chapter 3 Configuring General Router Features e Chapter 4 Configuring Additional Router Features e Chapter 5 CLI Ti
27. session and returns to EXEC mode Example RP 0 RSPO CPUO router config if end Step5 clock set hh mm ss dd mm yyyy Sets the system software clock Example RP 0 RSPO CPUO router clock set 14 12 00 10 dec 2008 Step6 clock update calendar Updates the hardware clock calendar clock with the new clock settings Example e The hardware clock is battery operated and runs RP 0 RSPO CPUO router clock update calendar continuously even if the router is powered off or rebooted Step7 show clock Displays the clock setting e Use this command to verify the settings Example RP O RSPO CPUO router show clock Examples In the following example the manual system clock is configured RP 0 RSPO CPU0 router configure RP 0 RSPO CPUO router config clock timezone pst 8 RP 0 RSPO CPU0 router config commit Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 E Chapter3 Configuring General Router Features M Where to Go Next FINAL DRAFT Cisco Confidential RP 0 RSPO CPUO router config end RP O0 RSPO CPU0 router clock set 14 12 00 10 dec 2008 14 12 00 090 PST Wed Dec 02 2008 RP 0 RSPO CPUO router clock update calendar RP 0 RSPO CPU0 router show clock 14 12 00 090 PST Wed Dec 02 2008 Related Documents Related Topic Document Title Descriptions of the clock commands Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference Commands used
28. space for its customer VPNs It is implemented as defined by IETF RFC 4364 QoS The router supports many types of quality of service QoS this offers the following QoS Comprehensive QoS support with up to 3 million queues Class Based Weighted Fair Queuing CBWEQ based on a three parameter scheduler Weighted Random Early Detection WRED two level strict priority scheduling with priority propagation and 2 rate 3 color 2R3C Policing are all supported e Cisco IOS XR Software This software supports a rich variety of QoS mechanisms including policing marking queuing dropping and shaping Additionally the operating systems support Modular QoS CLI MQC Modular CLI is used to configure various QoS features on various Cisco platforms e H QoS Four level H QoS support is provided for EVCs with the following hierarchy levels port group of EFPs EFP and class of service This level of support allows for per service and per end user QoS granularity MPLS TE The router supports MPLE TE this offers the following e MPLS TE Cisco IOS XR Software supports MPLS protocols such as Traffic Engineering Fast Reroute TE FRR Resource Reservation Protocol RSVP Label Distribution Protocol LDP and Targeted Label Distribution Protocol T LDP Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EN Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router M Sy
29. strict ipv4 unicast 10 19 1 line console 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential Viewing Configuration Error Messages and Descriptions Configuration changes are automatically verified during the commit operation and a message appears if one or more configuration entries fail To display an error message and description for a failed configuration type the show configuration failed command Note You can view configuration errors only during the current configuration session If you exit configuration mode after the commit operation the configuration error information is lost In the following example an error is introduced in global configuration mode and the error information appears after the commit operation fails P 0 RSPO CPU0 router configure P 0 RSPO CPU0 router config taskgroup alr P O RSPO CPUO router config tg description this is a test of an invalid taskgroup Y A A A P O RSPO CPUO router config tg commit Failed to commit one or more configuration items Please use show configuration failed o view the errors ct vs P 0 RSPO CPU0 router config tg show configuration failed CONFIGURATION FAILED DUE TO SEMANTIC ERRORS taskgroup alr 11 Usergroup Taskgroup names cannot be ta
30. the second remembered pattern and so on The following regular expression uses parentheses for recall a be 1 2 This regular expression matches an a followed by any character call it character number 1 followed by bc followed by any character character number 2 followed by character number 1 again followed by character number 2 again So the regular expression can match aZbcTZT The software remembers that character number 1 is Z and character number 2 is T and then uses Z and T again later in the regular expression Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide oL 17502 01 mAs Appendix A Understanding Regular Expressions Special Characters and Patterns HI Parentheses Used for Pattern Recall FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide PAS E OL 17502 01
31. the Cisco ASR 9000 Series Aggregation Series Router ROM Monitor Guide Hardware Prerequisites and Documentation The Cisco IOS XR Software runs on the configuration listed in the System Configurations section on page 1 6 Before a router can be started the following hardware management procedures must be completed e Site preparation e Equipment unpacking e Router installation For information on how to complete these procedures for your router equipment see the hardware documents listed in the Related Documents section on page viil Bringing Up and Configuring the Router To bring up a standalone router you need to connect to the router and configure the root system username and password as described in the following procedure SUMMARY STEPS 1 Establish a connection to the Console port Type the username for the root system login and press Enter Type the password for the root system login and press Enter ae N Log in to the router Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide P22 E OL 17502 01 Chapter 2 Bringing Up Cisco 10S XR Software on the Router Bringing Up and Configuring the Router FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step 1 Establish a connection to the Console port Initiates communication with the router e For instructions on connecting to the Console port see the
32. the command This allows you to modify or reject the suggested command In the next example the CLI recognizes two commands that match the text entered RP 0 RSP1 CPU0 router co lt Tab gt configure copy RP 0 RSP1 CPUO router con lt Tab gt RP 0 RSP1 CPU0 router configure Tip If your keyboard does not have a Tab key press Ctrl I instead Identifying Command Syntax Errors If an incorrect command is entered an error message is returned with the caret 4 at the point of the error In the following example the caret appears where the character was typed incorrectly in the command RP 0 RSPO CPUO router configure termiMal A o Invalid input detected at marker Note The percent sign indicates the line in which the error message occurred To display the correct command syntax type the after the command RP 0 RSP0 CPU0 router configure exclusive Configure exclusively from this terminal terminal Configure from the terminal lt cr gt Using the no Form of a Command Almost every configuration command has a no form Depending on the command the no form may enable or disable a feature For example when configuring an interface the no shutdown command brings up the interface and the shutdown command shuts down the interface The username command creates a new user and the no username command deletes a user when entered with a valid username Cisco ASR 9000 Series Aggregati
33. to configure logging Cisco ASR 9000 Series Aggregation Services Router System Monitoring Command Reference Configuration of alarm correlation and generating complex queries Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide Commands used to configure alarm correlation Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference Retrieve logging events through an XML interface Disabling Console Logging Cisco ASR 9000 Series Aggregation Services Router XML API Guide To disable console logging type the logging console disable command in global configuration mode Creating and Modifying User Accounts and User Groups In the Cisco IOS XR software users are assigned individual usernames and passwords Each username is assigned to one or more user groups each of which defines display and configuration commands the user is authorized to execute This authorization is enabled by default in the Cisco IOS XR software and each user must log in to the system using a unique username and password The following sections describe the basic commands used to configure users and user groups For a summary of user accounts user groups and task IDs see the User Groups Task Groups and Task IDs section on page 3 7 e Viewing Details About User Accounts User Groups and Task IDs page 4 16 e Configuring User Accounts page 4 17 e Creating Users and Assig
34. you can skip all intermediate submodes and return to the top level configuration mode and continue making configuration changes To return to configuration mode type the root command as shown in the following example RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO router configure router config router static router config static address family ipv4 unicast router config static afi root router config Ending a Configuration Session You can use any of the following methods to end a configuration session e Type the exit command in global configuration or administration configuration mode e Type the end command in any configuration mode or submode e Press Ctrl Z Note If you type the exit command in a configuration submode the command returns you to the parent configuration level 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide jg Chapter3 Configuring General Router Features M Managing Configuration Sessions Ss FINAL DRAFT Cisco Confidential If you end a configuration session without committing the configuration changes the router prompts you to save changes discard changes or cancel the action as shown in the following example RP 0 RSPO CPUO router config if end Uncommitted changes found commit them before exiting yes no cancel cancel Respond to the prompt by entering one of the following options
35. 0 router configure RP 0 RSP1 CPU0 router config rpl maximum policies 4000 RP 0 RSP1 CPU0 router config rpl maximum lines 80000 RP 0 RSP1 CPUO router config commit RP O RSP1 CPU0 Apr 1 00 23 44 062 config 65709 committed by user UNKNOWN Use the changes RP 0 RSP1 CPU0 router config exit RP O RSP1 CPU0 Apr 1 00 23 47 781 config 65709 console by console RP 0 RSP1 CPU0 router show rpl maximum Lines of configuration Policies Compiled policies size RP 0 RSP1 CPU0 router Multicast Configuration Limits kB Current Current Max Total Limit Limit 0 80000 131072 0 4000 5000 0 SLIBTARCFG 6 COMMIT show configuration commit changes 1000000010 SSYS 5 CONFIG_I Configuration to view Configured from Table 4 8 summarizes the maximum limits for multicast configuration including the commands used to display and change the limits Table 4 8 Feature Limit Description Default Maximum Limit Absolute Maximum Limit Multicast Configuration Limits and Commands Configuration Command Show Current Settings Command EXEC Mode Internet Group Management Protocol IGMP Limits Maximum number of 50 000 75 000 maximum groups n show igmp summary groups used by IGMP router IGMP configuration mode and accepted by a router Maximum number of 25 000 40 000 maximum groups per interface n show igmp summary groups for each interface accepted by a router router IGMP
36. 0219 Commit ID 1000000220 Commit ID 1000000221 Commit ID RP 0 RSP1 CPU0 router show configuration commit changes 1000000219 Building configuration interface Loopback100 interface Gi0 1 0 0 ipv4 nd dad attempts 50 end RP 0 RSP1 CPU0 router config RP 0 RSP1 CPU0 router config load commit changes 1000000219 Building configuration Loading 77 bytes parsed in 1 sec 76 bytes sec RP 0 RSP1 CPU0 router config show configuration Building configuration interface Loopback100 interface Gi0 1 0 0 ipv4 nd dad attempts 50 end Loading Rollback Configuration Changes to the Target Configuration If the changes for a specific rollback point are close to what you want but a rollback is not appropriate you can load the rollback configuration changes into the target configuration modify the target configuration and then commit the new configuration Unlike the rollback process the loaded changes are not applied until you commit them Tip To display the rollback changes type the show configuration rollback changes command Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 4 Configuring Additional Router Features Managing Configuration History and Rollback Mi FINAL DRAFT Cisco Confidential To load rollback configuration changes from the current configuration to a specific session go to global configuration or administration c
37. 1 Address Bytes 000d2000 12288 00112000 12288 Total Shared Memory 0 pkg bin wd mbi jid 72 Address Bytes 4817 000 4096 48180000 516096 481fe000 8192 48200000 8192 More Table 6 1 Heading IOMem Total Allocated Memory 2048M total 1787M 132M 0 flashfsys 0 1510M available What Program Stack Program Stack What Program Stack Program Stack Program Stack Program Text pages not allocated pages not allocated Heading Descriptions for show memory Command Output Description Physical Memory Amount of physical memory installed on the device Application Memory Memory available for the system to use total memory minus image size reserved IOMem and flashfsys Image Size of the bootable image Reserved Reserved for packet memory IOMem IO memory Currently used as a backup for packet memory flashfsys Flash file system memory Process and JID Process and job ID Address Starting address in memory Bytes Size of memory block What Block description Removing Configurations to Resolve Low Memory Warnings To resolve most low memory problems you should remove the configurations from the router that are consuming the most memory Often memory problems occur when a large new configuration is added to the system The following sections provide information to resolve low memory issues e Clearing a Target Configuration page 6 10 e Remo
38. 128M IOMem 0 flashfsys 0 Total shared window 0 Step2 Type the show configuration commit list command in EXEC or administration EXEC mode to list the configurations you can remove Note To display the details of a configuration type the show configuration commit changes command followed by a commitID number To display additional configuration history information type the show configuration history command and use the command options to display additional information Step3 Type the show running config command to display the current configuration Step4 Remove configurations as needed to free memory For more information see the Managing Configuration History and Rollback page 4 6 Rolling Back to a Previously Committed Configuration You can roll back the system to a previous committed configuration as described in Managing Configuration History and Rollback page 4 6 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide cu OL 17502 01 Chapter 6 Troubleshooting the Cisco IOS XR Software Interfaces Not Coming Up Mi FINAL DRAFT Cisco Confidential Clearing Configuration Sessions Active configuration sessions and their associated target configurations can consume system memory Users with the appropriate access privileges can display the open configuration sessions of other users and terminate those sessions if necessary see Table 6 2 Table 6 2 Session Commands Comm
39. 2 01 E Chapter6 Troubleshooting the Cisco IOS XR Software M Basic Troubleshooting Commands FINAL DRAFT Cisco Confidential e Using debug Commands page 6 3 Using show Commands to Display System Status and Configuration Use show commands to check the status of various Cisco IOS XR software subsystems and services Table 5 2 lists some of the common show commands Using the ping Command Examples Use the ping command to diagnose network connectivity In EXEC mode enter a hostname or an IP address as an argument to this command In administration EXEC mode you can use the fabric or the control Ethernet network to ping other nodes The ping command sends an echo request packet to a destination then awaits a reply Ping output can help you evaluate path to destination reliability delays over the path and whether the destination can be reached or is functioning Each exclamation point indicates receipt of a reply A period indicates the network server timed out while waiting for a reply Other characters may appear in the ping output display depending on the protocol type In the following example a successful ping attempt is shown RP 0 RSPO CPU0 router ping 10 233 233 233 Type escape sequence to abort Sending 5 100 byte ICMP Echos to 10 233 233 233 timeout is 2 seconds Success rate is 100 percent 5 5 round trip min avg max 1 2 7 ms In the next example an unsuccessful ping attempt is shown
40. 3 next address strict ipv4 unicast 10 index 4 next address strict ipv4 unicast 10 ao O O CG a ao oo O O a o ooo yo index 5 next address strict ipv4 unicast 10 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential line console More To display the sanitized administration portion of the running configuration connect to the RSP and type the show running config sanitized command in administration EXEC or administration configuration mode as shown in the following example RP 0 RSPO CPUO router admin show running config sanitized Building configuration sdr lt removed gt location 0 1 primary username lt removed gt secret 5 lt removed gt group root system end Viewing the Target Configuration The target configuration includes the configuration changes that have been entered but not yet committed These changes are not yet part of the running configuration You can view the target configuration in global configuration and administration configuration modes You cannot view the target configuration in EXEC modes because the target configuration must be committed or abandoned before returning to EXEC or administration EXEC mode To display the target configuration changes you have entered for an RSP type the show configuration
41. 5308 bytes 87 total input drops 0 drops for unrecognized upper level protocol Received 297320 broadcast packets 0 multicast packets 0 runts 0 giants 0 throttles 0 parity 48 input errors 43 CRC 0 frame 0 overrun 0 ignored 0 abort 89311 packets output 6176363 bytes 0 total output drops Output 53 broadcast packets 0 multicast packets OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Manually Setting the Router Clock FINAL DRAFT Cisco Confidential 0 output errors 0 underruns 0 applique 0 resets 0 output buffer failures 0 output buffers swapped out 0 carrier transitions Related Documents Related Topic Document Title Additional information about configuring management interfaces Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide Manually Setting the Router Clock Generally if the system is synchronized by a valid outside timing mechanism such as a Network Time Protocol NTP or VINES clock source you need not set the software clock Use the clock set command for initial configuration or if a network time source is not available The clock timezone command should be entered before the clock is set because it defines the difference between the system time and Coordinated Universal Time UTC When you set the time you set the system time and the router u
42. 90 up up TUNNEL 500 100000 tt44194 up up TUNNEL 500 100000 Mg0 RSPO CPU0 0 up up ARPA 514 100000 Mg0 RSPO CPU0 1 admin down admin down ARPA 1514 10000 Gi0 1 0 0 admin down admin down ARPA 1514 1000000 Gi0 1 0 1 admin down admin down ARPA 1514 1000000 Gi0 1 0 2 up up ARPA 9014 1000000 Gi0 1 0 3 up up 802 10 VLAN 9014 1000000 Gi0 1 0 3 185 up up 802 10 VLAN 9022 1000000 Gi0 1 0 3 189 up up 802 10 VLAN 9022 1000000 Gi0 1 0 3 215 up up 802 10 VLAN 9022 1000000 Gi0 1 0 4 admin down admin down ARPA 1514 1000000 Gi0 1 0 5 admin down admin down ARPA 1514 1000000 Gi0 1 0 6 admin down admin down ARPA 1514 1000000 Gi0 1 0 7 up up 802 10 VLAN 9014 1000000 Gi0 1 0 7 185 up up 802 10 VLAN 9022 1000000 Gi0 1 0 7 187 up up 802 10 VLAN 9014 1000000 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter3 Configuring General Router Features Configuring the Management Ethernet Interface Mi FINAL DRAFT Cisco Confidential Configuring the Management Ethernet Interface To use the Management Ethernet interface for system management and remote communication you must configure an IP address and a subnet mask for the interface If you want the interface to communicate with devices on other networks such as remote management stations or TFTP servers you need to configure a default route for the router p Tip For information on additional configuration options for the Management Ethernet interface see Cisco
43. A CISCO FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Cisco IOS XR Software Release 3 7 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Text Part Number OL 17502 01 FINAL DRAFT Cisco Confidential CCDE CCENT Cisco Eos Cisco Lumin Cisco Nexus Cisco StadiumVision Cisco TelePresence Cisco WebEx the Cisco logo DCE and Welcome to the Human Network are trademarks Changing the Way We Work Live Play and Learn and Cisco Store are service marks and Access Registrar Aironet AsyncOS Bringing the Meeting To You Catalyst CCDA CCDP CCIE CCIP CCNA CCNP CCSP CCVP Cisco the Cisco Certified Internetwork Expert logo Cisco IOS Cisco Press Cisco Systems Cisco Systems Capital the Cisco Systems logo Cisco Unity Collaboration Without Limitation EtherFast EtherSwitch Event Center Fast Step Follow Me Browsing FormShare GigaDrive HomeLink Internet Quotient IOS iPhone iQuick Study IronPort the IronPort logo LightStream Linksys MediaTone MeetingPlace MeetingPlace Chime Sound MGX Networkers Networking Academy Network Registrar PCNow PIX PowerPanels ProConnect ScriptShare SenderBase SMARTnet Spectrum Expert StackWise The Fastest Way to Increase Your Internet Quotient TransPath WebEx and the WebEx logo are registered
44. AD READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ READ WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT WRIT E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB E EXECUTE DEB Q A A 020430 42 M2 QM Q2 42 QA Qa a8 04848 Aa A A Aa A A A reserved To view the user groups assigned to your user account type the show user group command RP 0 RSPO CPU0 router show user group root system To view all user groups and task ID information for your account type the show user all command P 0 RSPO CPU0 router show user all Username cisco support cisco OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features W Logging In to a Router FINAL DRAFT Cisco Confidential Groups root syst
45. ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide Prerequisites To configure the Ethernet Management port for network communications you must type the interface network addresses and subnet mask Consult your network administrator or system planner for this information SUMMARY STEPS ma configure interface MgmtEthrack slot CPU0 port ipv4 address ipv4 address subnet mask no shutdown exit router static address family ipv4 unicast 0 0 0 0 0 default gateway commit end show interfaces MgmtEthrack slot CPU0 port o o JS SN WY DN Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide oL 17502 01 E Chapter 3 WE Configuring the Management Ethernet Interface FINAL DRAFT Cisco Confidential DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Command or Action Purpose configure Example RP 0 RSPO CPUO router configure Enters global configuration mode interface MgmtEthrack slot CPU0 port Example RP 0 RSPO CPUO RO C config interface mgmtEth 0O rsPO CPUO O Enters interface configuration mode and specifies the Management Ethernet interface of the primary RSP See Table 3 6 for command parameters ipv4 address ipv4 address subnet mask Example RP 0 RSPO CPU0 RO C config if ipv4 address 1 1 1
46. CLI prompt which is described in the CLI Prompt section on page 3 6 The command set that you can use is determined by the privileges assigned to your username For information on how privileges are assigned to usernames see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide CLI Prompt After you log in you see the CLI prompt for Cisco IOS XR Software This prompt identifies the router to which you are issuing commands The CLI prompt represents the path through the router to the CPU that executes the commands you enter The syntax for the CLI prompt is type rack slot module router name The CLI prompt is described in Table 3 1 Table 3 1 CLI Prompt Description Prompt Syntax Components Description type Type of interface or card with which you are communicating For most user communication tasks the type is RP rack Rack number In a standalone router the rack number is always 0 slot Slot in which the RSP is installed In a Cisco ASR 9000 Series router the RSP physical slot number is RSPO or RSP1 module Entity on a card that executes user commands or communicates with a port interface For executing commands from the EXEC prompt the module is the CPUO of the RP CPUO also controls the forwarding and operating system OS functions for the system router name Hostname of the router The hostname is usually defined during initial co
47. CPUO router config end or RP 0 RSPO CPUO router config commit Examples Saves configuration changes When you issue the end command the system prompts you to commit changes Uncommitted changes found commit them before exiting yes no cancel cancel Entering yes saves configuration changes to the running configuration file exits the configuration session and returns the router to EXEC mode Entering no exits the configuration session and returns the router to EXEC mode without committing the configuration changes Entering cancel leaves the router in the current configuration session without exiting or committing the configuration changes Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session In the following example the host services are enabled RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config telnet ipv4 server max servers 5 RP 0 RSPO CPU0 router config http server RP 0 RSPO CPUO router config commit Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 Chapter4 Configuring Additional Router Features M Managing Configuration History and Rollback Related Documents Related Topic FINAL DRAFT Cisco Confidential Document Title Installation and activation of the Manageability and Cisco ASR 9000 Series Aggregation Services
48. Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Ca OL 17502 01 Chapter4 Configuring Additional Router Features Creating and Modifying User Accounts and User Groups Mi FINAL DRAFT Cisco Confidential Configuring User Accounts User accounts user groups and task groups are created by entering the appropriate commands in one of the AAA configuration submodes as shown in Figure 4 1 This section describes the process to configure usernames For instructions to configure user groups task groups and other AAA security features see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide Figure 4 1 AAA Configuration Submodes User login Y EXEC mode Y Global configuration mode commands AAA configuration submodes username username gt Username configuration submode usergroup usergroup name gt User group configuration submode taskgroup taskgroup name gt Task group configuration submode 116542 Creating Users and Assigning Groups To create a user assign a password and assign the user to a group perform the following procedure SUMMARY STEPS 1 configure 2 username user name 3 password 0 7 password or secret 0 5 password 4 group group name 5 Repeat Step 4 for each user group to be associated with the user specified in Step 2 6 commit Cis
49. Common Command Modes Table 3 4 summarizes the most common command modes of Cisco IOS XR Software and associated CLI prompts Table 3 4 Common Command Modes and CLI Prompts Command Mode Description EXEC Logging in to an RP running the Cisco IOS XR Software automatically places the router in EXEC mode Example RP 0 RSPO CPU0 router EXEC mode enables a basic set of commands to display the operational state of an RP and the Cisco IOS XR Software Most CLI commands in EXEC mode do not change the RP operation The most common EXEC commands are show commands to display RP configuration or operational data and clear commands to clear or reset RP counters In EXEC mode you can view the configuration of an RP but not the configuration of the system The difference is that RSPs are defined in administration configuration mode which is a submode of administration EXEC mode RPs are configured in global configuration mode Additional commands are available depending on the access privileges user groups assigned to your username Minimal privileges also include a small set of EXEC commands for connecting to remote devices changing terminal line settings on a temporary basis and performing basic tests Administration EXEC Administration EXEC mode is used to manage system resources In administration EXEC mode you can view the configuration of the system but not the configuration of an RP The difference is that RPs are defined in admini
50. For router access users need the Telnet server IP address and port number for each RSP they access e For additional information on configuring terminal services including terminal servers and templates see the Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide Step2 Connect the terminal server to the Establishes a communications path between the terminal server and the Console port of the target RSP router e During the initial router setup communicate with the router only through the Console port of the primary RSP e The router Console port uses a serial cable connection to a terminal or terminal server e The terminal settings are Bits per second 115200 Data bits 8 Parity None Stop bit 1 Flow control None e For information on the cable requirements for the Console port see the hardware documentation listed in the Related Documents section on page vili Step3 Power on the router Starts the router e This step is required only if the router power is not on e For information on power installation and controls see hardware documentation listed in the Related Documents section on page viii Step4 Identify the target RSP Identifies the RSP to which you connect in the next step e The Cisco ASR 9000 Series router has two RSPs RSPO and RSP1 One is the active RSP and the other is the standby Step5 telnet access server address port Establishes a Telnet session with the ter
51. Gi0 1 0 3 ipv4 address 10 2 3 7 255 255 255 0 gi ere 32 shutdown keepalive disable More Filtering show Command Output Table 5 3 Command Viewing System Information with show Commands Mi Confidential Output from the show commands can generate a large amount of data To display only a subset of information type the Pipe character 1 followed by a keyword begin include exclude or file and a regular expression Table 5 3 shows the filtering options for the show command show Command Filter Options Description show command begin regular expression Begins unfiltered output of the show command with the first line that contains the regular expression show command exclude regular expression Displays output lines that do not contain the regular expression show command include regular expression Displays output lines that contain the regular expression show command file device0 path file Writes the output lines that contain the regular expression to the specified file on the specified device In the following example the show interface command includes only lines in which the expression protocol appears RP 0 RSPO CPUO router show interface include protocol Null10 is up line protocol is up 0 drops for unrecognized upper level protocol 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter5 C
52. Intermediate System IS IS routing protocol including the commands used to display and change the limits Table 4 5 IS IS Configuration Limits and Commands Default Absolute Show Current Settings Maximum Maximum Configuration Command Command Feature Limit Description Limit Limit Address Family Configuration Mode EXEC Mode Maximum number of prefixes 10 000 28 000 maximum redistributed prefixes n show isis adjacency redistributed into IS IS Number of active parallel paths 8 32 maximum paths n show isis route for each route on a Cisco ASR 9000 Series Router Examples In the following example the maximum number of active parallel paths for each route is increased to 10 and the maximum number of prefixes redistributed into IS IS is increased to 12 000 RP 0 RSP1 CPU0 router configure RP 0 RSP1 CPU0 router config router isis 100 address family ipv4 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide a20 OL 17502 01 Chapter4 Configuring Additional Router Features Configuration Limiting Mi FINAL DRAFT Cisco Confidential RP 0 RSP1 CPUO router config isis af f maximum paths 10 RP 0 RSP1 CPUO router config isis af maximum redistributed prefixes 12000 RP 0 RSP1 CPU0 router config isis af commit RP O RSP1 CPU0 Mar 30 14 11 07 config 65739 SLIBTARCFG 6 COMMIT Configuration committed by user Use show configuration commit changes 1000000535 the changes cis
53. L DRAFT Cisco Confidential e Connecting Through the Console Port page 3 2 e Connecting Through a Terminal Server page 3 3 e Connecting Through the Management Ethernet Interface page 3 5 Connecting Through the Console Port To connect to the router through the console port perform the following procedure SUMMARY STEPS 1 Identify the active RSP 2 Connect a terminal to the Console port of the active RSP 3 Start the terminal emulation program 4 Press Enter 5 Log in to the router DETAILED STEPS Command or Action Purpose Step1 Identify the active RSP Identifies the RSP to which you must connect in the next step There are two RSPs RSPO and RSP1 One is active RSP the other is standby Step2 Connect a terminal to the Console port Establishes a communications path to the router ot the active RSP e During initial setup communicate with the router only through the Console port of the active RSP e The Console port uses a serial cable connection to a terminal or a computer running terminal emulation e The terminal settings are Bits per second 9600 11520 Data bits 8 Parity None Stop bit 1 Flow control None e For cable requirements for the Console port see hardware documentation listed in the Related Documents section on page viil Step3 Start the terminal emulation program Optional Prepares a computer for router communications e The step is not required if you are connecting t
54. LI Tips Techniques and Shortcuts M Viewing System Information with show Commands FINAL DRAFT Cisco Confidential Gi0 2 0 0 is administratively down line protocol is administratively down 0 drops for unrecognized upper level protocol Gi0 2 0 1 is administratively down line protocol is administratively down 0 drops for unrecognized upper level protocol Gi0 2 0 2 is administratively down line protocol is administratively down 0 drops for unrecognized upper level protocol Gi0 2 0 3 is administratively down line protocol is administratively down 0 drops for unrecognized upper level protocol MgmtEthernet0 RSPO CPU0 0 is administratively down line protocol is administratively down MgmtEthernet0 RSPO CPU0 0 is administratively down line protocol is administratively down 0 drops for unrecognized upper level protocol Note Filtering is available for submodes complete commands and anywhere that lt cr gt appears in the output Adding a Filter at the More Prompt You can specify a filter at the More prompt of a show command output by entering a forward slash followed by a regular expression The filter remains active until the command output finishes or is interrupted using Ctrl Z or Ctrl C The following rules apply to this technique e Ifa filter is specified at the original command or previous More prompt a second filter cannot be applied e The use of the keyword begin does not constitu
55. N A IOS XR R 0 2 CPUO MSC 160C48 POS DPT IOS XR R 0 3 SP MSC SP N A IOS XR R 0 3 CPUO MSC 160C48 POS DPT IOS XR R O RSPO CPUO RP Active N A IOS XR 0 RSP1 CPUO RP Standby N A IOS XR 0 SMO SP FC S SP N A IOS XR R 0 SM1 SP FC S SP N A IOS XR R 0 SM2 SP FC S SP N A IOS XR R 0 SM3 SP FC S SP N A IOS XR R Step 2 Type the show ipv4 interface brief command to verify IP address configuration and protocol status RP 0 RSPO CPU0 router show ipv4 interface brief Interface IP Address Status gi0 1 0 0 unassigned Shutdown gi0 1 0 1 unassigned Shutdown gi0 1 0 2 unassigned Shutdown gi0 1 0 3 unassigned Shutdown gi0 1 0 4 unassigned Shutdown gi0 1 0 5 unassigned Shutdown gi0 1 0 6 unassigned Shutdown gi0 1 0 7 unassigned Shutdown gi0 1 0 8 unassigned Shutdown gi0 1 0 9 unassigned Shutdown gi0 1 0 10 unassigned Shutdown gi0 1 0 11 unassigned Shutdown gi0 1 0 12 unassigned Shutdown gi0 1 0 13 unassigned Shutdown gi0 1 0 14 unassigned Shutdown gi0 1 0 15 unassigned Shutdown gi0 2 0 0 10 10 1 101 Down gi0 2 0 1 unassigned Shutdown gi0 2 0 2 unassigned Shutdown gi0 2 0 3 unassigned Shutdown TenGigE0 3 0 0 unassigned Shutdown TenGigE0 3 0 2 unassigned Shutdown MgmtEth0 RSPO CPUO O unassigned Shutdown Step3 Configure the interfaces as shown in the following examples Ss Note Type the commit command to make the new configuration part of the active running configuration If you end the configuration session you are automatically promp
56. O RSPO C P O RSPO C C 0 1 CPUO C 0 6 CPUO P O RSPO C P 0O RSP1 C C 0 1 CPUO C 0 6 CPUO P O RSPO C P 0 RSP1 C P O RSPO C P O RSPO C P 0 RSPO C More J aR W E J d d pE Related Documents Related Topic PUO Apr PUO Apr PUO Apr Apr 8 Apr 8 PUO Apr PUO Apr Apr 8 Apr 8 PUO Apr PUO Apr PUO Apr PUO Apr PUO Apr 19 19 9 22 19 00 22 22 19 19 19 19 19 22 19 19 19 19 19 ziS r93 122 30 30 522 22 r354 35 22 722 722 1221 223 58 679 instdir 203 INSTALL INSTMGR 6 INSTALL OP 01 287 instdir 203 tINSTALL INSTMGR 6 INSTALL_OP 15 658 instdir 203 SINSTALL INSTMGR 6 INSTALL_ OP 122 sysmgr 74 0S SYSMGR 7 INSTALL_ NOTIFICATION 160 sysmgr 74 0S SYSMGR 7 INSTALL NOTIFICATION 30 745 sysmgr 79 0S SYSMGR 7 INSTALL NOTIFICATI 32 596 sysmgr 79 OS SYSMGR 7 INSTALL_NOTIFICATI 181 sysmgr 74 0S SYSMGR 7 INSTALL_FINISHED s 223 sysmgr 74 0S SYSMGR 7 INSTALL_FINISHED s 36 122 sysmgr 79 OS SYSMGR 7 INSTALL_FINISHED 37 790 sysmgr 79 OS SYSMGR 7 INSTALL_FINISHED 41 015 schema_server 332 MGBL SCHEMA 6 VERSIONC 59 844 instdir 203 INSTALL INSTMGR 4 ACTIVE_SOF 59 851 instdir 203 INSTALL INSTMGR 6 INSTALL_OP Document Title Configuration of system logging Cisco ASR 9000 Series Aggregation Services Router System Monitoring Configuration Guide Commands used
57. RSPO CPU0 router config 1f After you enter a command with an alias the router displays the command you entered with the alias value so that you can verify that alias value Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Ea OL 17502 01 Chapter 5 CLI Tips Techniques and Shortcuts Command History Mi FINAL DRAFT Cisco Confidential To delete a specific alias type the no form of the alias command with the alias name Keystrokes Used as Command Aliases The system can be configured to recognize particular keystrokes key combination or sequence as command aliases In other words a keystroke can be set as a shortcut for executing a command To enable the system to interpret a keystroke as a command use the Ctrl V or Esc Q key combination before entering the command sequence Command History Ss The Cisco IOS XR software lets you display a history of the most recently entered and deleted commands You can also redisplay the command line while a console message is being shown The following sections describe the command history functionality e Viewing Previously Entered Commands page 5 17 e Recalling Previously Entered Commands page 5 17 e Recalling Deleted Entries page 5 18 e Redisplaying the Command Line page 5 18 Note To roll back to a previously committed configuration see the Managing Configuration History and Rollback section on page 4 6 Viewing Previous
58. Services Router Getting Started Guide gy Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router HZ Router Overview L2VPN FINAL DRAFT Cisco Confidential MST Access Gateway This feature provides a resilient fast convergence mechanism for aggregating and connecting to Ethernet based access rings The router uses L2VPNs this offers the following Multicast Virtual Private LAN Services VPLS VPLS is a class of VPN that supports the connection of multiple sites in a single bridged domain over a managed IP MPLS network It presents an Ethernet interface to customers simplifying the LAN and WAN boundary for service providers and customers and enabling rapid and flexible service provisioning because the service bandwidth is not tied to the physical interface All services in a VPLS appear to be on the same LAN regardless of location Hierarchical VPLS H VPLS H VPLS provides a level of hierarchy at the edge of the VPLS network for increased scale QinQ access and H VPLS pseudowire access options are supported Virtual Private WAN Services Ethernet over MPLS VPWS EoMPLS EoMPLS transports Ethernet frames across an MPLS core using pseudowires Individual EFPs or an entire port can be transported over the MPLS backbone using pseudowires to an egress interface or subinterface Pseudowire redundancy Pseudowire redundancy supports the definition of a backup pseudowire to protect a primary pseudowire that
59. Without Descriptions page 3 26 e Viewing Configuration Error Messages Produced While Loading a Configuration page 3 26 Viewing the Running Configuration The running configuration is the committed configuration that defines the router operations and it is divided into the administration configuration and an RSP configuration for each RSP The portion of the running configuration that you can view depends on the current CLI mode and RSP connection In EXEC and global configuration mode you can view the RSP configuration for the RSP to which you are connected When you are connected to the RSP and operating in administration EXEC and administration configuration mode you can view the administration configuration which includes hardware assignments for RSPs To display the RSP portion of the running configuration connect to the appropriate RSP and type the show running config command in EXEC or global configuration mode as shown in the following example RP 0 RSPO CPU0 router config show running config Building configuration 1 Last configuration change at Tue Dec 2 20 29 51 2008 by cisco hostname router clock timezone PST 8 clock summer time DST recurring 2 sunday march 02 00 first sunday november 02 00 logging console informational telnet vrf default ipv4 server max servers no limit domain lookup disable explicit path name GE_Path_to_P19 index 1 next address strict ipv4 unicast 10 114 4 44 index 2 next address strict ipv4 unicas
60. a single character that matches the same single character in the command output or multiple characters that match the same multiple characters in the command output The pattern in the command output is called a string The simplest regular expression is a single character that matches the same single character in the command output Letter A Z and a z digits 0 9 and other keyboard characters such as or can be used as a single character pattern OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Appendix A Understanding Regular Expressions Special Characters and Patterns M Special Characters FINAL DRAFT Cisco Confidential Special Characters Certain keyboard characters have special meaning when used in regular expressions Table A 1 lists the keyboard characters that have special meaning Table A 1 Characters with Special Meaning Character Special Meaning SSS Matches any single character including white space Matches 0 or more sequences of the pattern Matches 1 or more sequences of the pattern Matches 0 or 1 occurrences of the pattern A Matches the beginning of the string Matches the end of the string _ underscore Matches a comma left brace right brace left parenthesis right parenthesis the beginning of the string the end of the string or a space To use these special characters as sing
61. ait time between two consecutive SPFs 10000 msecs Initial LSA throttle delay 500 msecs Minimum hold time for LSA throttle 5000 msecs Maximum wait time for LSA throttle 5000 msecs Minimum LSA interval 5 secs Minimum LSA arrival 1 secs Maximum number of configured interfaces 600 More Maximum Routes Redistributed into OSPF Example P O RSP1 CPUO Mar 30 16 12 39 config 65740 SLIBTARCFG 6 COMMIT Configuration ommitted by user cisco Use show configuration commit changes 1000000540 to view P O0 RSP1 CPU0 Mar 30 16 12 39 config 65740 SYS 5 CONFIG_I Configured from console In the following example the maximum redistributed prefixes command is used to set the maximum routes redistributed into OSPF P 0 RSP1 CPU0 router configure P O RSP1 CPUO router config router ospf 100 HAA DA P 0 RSP1 CPU0 router config router end ncommitted changes found commit them yes y El nad he changes o y cisco P 0 RSP1 CPU0 router vs P 0 RSP1 CPU0 router config router maximum redistributed prefixes 12000 P O RSP1 CPU0 Mar 30 16 26 52 config 65740 SLIBTARCFG 6 COMMIT Configuration ommitted by user cisco Use show configuration commit changes 1000000541 to view P O RSP1 CPUO Mar 30 16 26 52 config 65740 SYS 5 CONFIG_I Configured from console mi Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 4 Con
62. al show interfaces type instance Specifies a particular interface rather than displaying information for all interfaces as in the following example show interface gi0 1 0 0 show ipv4 interface Displays basic IP related information for all available interfaces show ipv4 interface brief Quickly displays the most critical information about the interfaces including the interface status up or down and the protocol status 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter 6 Troubleshooting the Cisco IOS XR Software Interfaces Not Coming Up FINAL DRAFT Cisco Confidential Verifying System Interfaces Perform the following steps to verify the system interfaces SS EJES 35558 Config State PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON PWR NSHUT MON Protocol Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down verify that all nodes are in the IOS XR Step 1 Type the show platform command in administration EXEC to RUN state RP 0 RSP0 CPU0 router admin show platform Node Type PLIM State 0 1 SP MSC SP N A IOS XR R 0 1 CPUO MSC 160C48 POS DPT IOS XR R 0 2 SP MSC SP
63. and Description show configuration sessions Displays the active configuration sessions clear configuration sessions session id Clears a configuration session In the following example the open configuration sessions are displayed with the show configuration sessions command The clear configuration sessions command is then used to clear a configuration session RP 0 RSPO CPU0 router show configuration sessions Session Line User Date Lock 00000211 002c409b 00000000 con0_RSP1_CPUO UNKNOWN Mon Feb 2 01 02 09 2004 RP 0 RSPO CPU0 router clear configuration sessions 00000211 002c409b 00000000 session ID 00000211 002cb09b 00000000 terminated Contacting TAC for Additional Assistance If you remove configurations and the low memory condition remains you may need to contact TAC for additional assistance See the Additional Sources for Information section on page 6 1 Interfaces Not Coming Up The router interfaces are directly used in processing network traffic so their status information is crucial to understanding how the device is functioning This section contains information on the EXEC mode commands used to verify that the router interfaces are operational The basic commands used in this process are summarized in Table 6 3 Table 6 3 show interface Commands Command Description show interfaces Displays detailed information about all interfaces installed or configured on the device whether or not they are operation
64. anding Regular Expressions Special Characters and Patterns Multiple Character Patterns Mi FINAL DRAFT Cisco Confidential Multiple Character Patterns Multiple character regular expressions can be formed by joining letters digits and keyboard characters that do not have a special meaning With multiple character patterns order is important The regular expression a4 matches the character a followed by a 4 followed by a If the string does not have a4 in that order pattern matching fails The multiple character regular expression a uses the special meaning of the period character to match the letter a followed by any single character With this example the strings ab a and a2 are all valid matches for the regular expression Put a backslash before the keyboard characters that have special meaning to indicate that the character should be interpreted literally Remove the special meaning of the period character by putting a backslash in front of it For example when the expression a is used in the command syntax only the string a is matched A multiple character regular expression containing all letters all digits all keyboard characters or a combination of letters digits and other keyboard characters is a valid regular expression For example telebit 3107 v32bis Complex Regular Expressions Using Multipliers Multipliers can be used to create more complex regular expressions that instruct Cisco IOS XR software
65. anges 2000000009 to view the changes Use the admin mode configure command to modify this configuration User Access Verification Username cisco Password RP 0 0 CPU0 ios Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 EA Chapter2 Bringing Up Cisco 10S XR Software on the Router W Verifying the System After Initial Boot FINAL DRAFT Cisco Confidential The secret line in the configuration command script shows that the password is encrypted When you type the password during configuration and login the password is hidden Verifying the System After Initial Boot To verify the status of the router perform the following procedure SUMMARY STEPS 1 show version admin exit show redundancy eo eae WY DN show environment DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Command or Action show platform node id Purpose show version Example RP O0 RSPO CPU0O router show version Displays information about the router including image names uptime and other system information admin Example RP 0 RSPO CPU0 router admin Places the router in administration EXEC mode displays information about the status of cards and modules installed in the router and terminates administration EXEC mode show platform node id Example RP 0O RSPO CPU0 router show platfor
66. ce When you choose to redirect command output consider the following guidelines e Ifthe full path of the file is not specified the default directory for your account is used You should always save your target configuration files to this location 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide py Chapter5 CLI Tips Techniques and Shortcuts M Viewing System Information with show Commands FINAL DRAFT Cisco Confidential e Ifthe saved output is to be used as a configuration file the filename should end with the cfg suffix for easy identification This suffix is not required but can help locate target configuration files Example myconfig cfg In the following example a target configuration file is saved to the default user directory RP 0 RSPO CPU0 router configure RP 0 RSPO0 CPU0 router config show configure file disk0 myconfig cfg RP 0 RSPO CPUO router config abort RP 0 RSP0 CPU0 router Narrowing Output from Large Configurations Viewing a large running configuration can produce thousands of lines of output To limit the output of a show command to only the items you want to view use the procedures in the following sections e Limiting show Command Output to a Specific Feature or Interface page 5 8 e Using Wildcards to Display All Instances of an Interface page 5 8 Limiting show Command Output to a Specific Feature or Interface Entering keywords and arg
67. ce type RP 0 RSPO CPU0 router config interface tunnel te 2 RP 0 RSPO CPUO router config 1f Router configuration The router configuration submode is used to select and configure a routing protocol like OSPF or IS IS The following command syntax is used for entering router configuration submode router protocol protocol_options Replace protocol with the keyword for the protocol you want to configure Replace protocol_options with any keywords and arguments required for that protocol RP 0 RSPO CPU0 router config router ospf 100 RP 0 RSPO CPU0 router config ospf Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 E Chapter3 Configuring General Router Features W Navigating Cisco 10S XR Software Command Modes FINAL DRAFT Cisco Confidential Table 3 4 Common Command Modes and CLI Prompts continued Command Mode Description Router submode configuration Router configuration submodes are accessed from router configuration mode The following command syntax is used for entering router address family configuration submode RP 0 RSPO CPU0 router config router ospf 100 RP 0 RSPO CPUO0 router config ospf security ttl For more information see the following Cisco Systems documents e Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide e Cisco ASR 9000 Series Aggregation Services Router Routing Command Reference ROM Moni
68. change the default values up to the absolute maximum but you cannot change the value to a number less than the number of items that are currently configured Table 4 7 Maximum Lines of RPL Configuration Limits and Commands Default Absolute Show Current Settings Maximum Maximum Configuration Command Command Limit Description Limit Limit Global Configuration Mode EXEC Mode Maximum number of RPL lines 65 536 131 072 rpl maximum lines n show rpl maximum lines Maximum number of RPL policies 3500 5000 rpl maximum policies n show rpl maximum policies Examples In the following example the show rpl maximum command is used in EXEC mode to display the current setting for RPL limits and number of each limit currently in use A summary of the memory used by all of the defined policies is also shown below the limit settings RP 0 RSP1 CPUO router show rpl maximum Current Current Max Total Limit Limit Lines of configuration 0 65536 131072 Policies 0 3500 5000 Compiled policies size kB 0 RP 0 RSP1 CPUO routertt Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 EN Chapter 4 Configuring Additional Router Features M Configuration Limiting FINAL DRAFT Cisco Confidential In the next example the rp maximum command changes the currently configured line and policy limits The show rpl maximum command displays the new settings RP 0 RSP1 CPU
69. check out and release licenses Licenses are stored in persistent storage on the router All core routing features are available for use without any license In Cisco IOS XR Software Release 3 7 the following features must be enabled with licenses e Layer 3 VPN e Modular services card bandwidth Refer to the Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide for more information on configuring software licenses Configuration Limiting A The Cisco IOS XR software places preset limits on the configurations you can apply to the running configuration of a router These limits ensure that the router has sufficient system resources such as RAM for normal operations Under most conditions these preset limits are sufficient In some cases for which a large number of configurations is required for a particular feature it may be necessary to override the preset configuration limits This override can be done only if configurations for another feature are low or unused Caution Overriding the default configuration limits can result in a low memory condition The following sections describe the limits you can configure default and maximum values and commands for configuring and displaying the configuration limits e Static Route Configuration Limits page 4 20 e IS IS Configuration Limits page 4 20 e OSPFv2 and v3 Configuration Limits page 4 21 e Routing Policy Language Line and Policy Limits
70. co to view RP 0 RSP1 CPU0 router config isis af OSPFv2 and v3 Configuration Limits Table 4 6 summarizes the maximum limits for Open Shortest Path First OSPF protocol including the commands used to display and change the limits Table 4 6 OSPFv2 Configuration Limits and Commands Default Absolute Feature Limit Maximum Maximum Configuration Command Show Current Settings Command Description Limit Limit Router Configuration Mode EXEC Mode Maximum number of 255 1024 maximum interfaces n show ospf interfaces that can be configured for an OSPF instance Maximum routes 10 000 4294967295 maximum redistributed prefixes show ospf e mig s Note The maximum number of redistributed prefixes appear only if redistribution is configured Maximum number of 32 32 maximum paths n show running config router ospf parallel Bn Note This command shows only rae ee E Aa qu changes to the default ee value If the maximum CnES TOUTEIS paths command does not appear the router is set to the default value Examples The following examples illustrate OSPF configuration limits e Maximum Interfaces for Each OSPF Instance Example page 4 21 e Maximum Routes Redistributed into OSPF Example page 4 22 e Number of Parallel Links max paths Example page 4 23 Maximum Interfaces for Each OSPF Instance Example In the following example the show ospf command is used to display the maximum number of OSPF
71. co ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 ES Chapter4 Configuring Additional Router Features M Creating and Modifying User Accounts and User Groups FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step1 configure Enters global configuration mode Example RP 0 RSPO CPU0 router configure Step2 username user name Creates a name for a new user or identifies a current user and enters username configuration submode Example e The user name argument can be only one word Spaces RP O RSPO CPUO router config username userl and quotation marks are not allowed Step3 password 0 7 password Specifies a password for the user named in Step 2 or secret 0 5 password e Use the secret command to create a secure login password for the user names specified in Step 2 Example e Entering 0 following the password command specifies RP O REPO CDUOrroutericonfig uni password 0 that an unencrypted clear text password follows l pwdl Entering 7 following the password command specifies or that an encrypted password follows BPR SSERSCEUD peOUber Lg UN SECTEE S PWAL Entering 0 following the secret command specifies that a secure unencrypted clear text password follows Entering 5 following the secret command specifies that a secure encrypted password follows e Type 0 is the default for the password and secret commands Step4 group group name Assi
72. command in EXEC mode Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 ED Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential RP 0 RSPO CPU0 router show configuration sessions Current Configuration Session Line User Date Lock 00000041 006d60d3 00000000 vty0 mehrenre Wed Dec 3 00 33 32 2008 If an asterisk appears in the Lock column the user is using an exclusive configuration session and you cannot start a configuration session until the session closes For more information see the Starting an Exclusive Configuration Session section on page 3 21 Note Configuration sessions for administration configuration and each RSP are managed independently For example if a user locks the administration configuration you can still configure an RSP if other users have not locked a configuration session for that RSP Starting a Configuration Session When you place the router in global configuration or administration configuration mode using the configure command a new target configuration session is created The target configuration allows you to enter review and verify configuration changes without impacting the running configuration Note The target configuration is not a copy of the running configuration It has only the configuration commands entered during the target configuration session While in confi
73. configuration commit list SNo Label ID User Line Client Time Stamp i 2000000022 cisco vtyl CLI 15 03 59 UTC Fri Mar 17 2008 2 2000000021 cisco con0_RSPO_C CLI 17 42 55 UTC Wed Mar 15 2008 3 2000000020 SYSTEM con0_RSPO_C Setup Dial 17 07 39 UTC Wed Mar 15 2008 Viewing Configuration Changes Recorded in a CommitlD To view the configuration changes made during a specific commit session commitID go to EXEC or administration EXEC mode and type the show configuration commit changes command followed by a commitID number The easiest way to determine the commitID is to type the show configuration commit changes command first In the following example the command help is used to display the available commitIDs and then the changes for a specific commitID are displayed RP 0 RSP1 CPUO router admin show configuration commit changes last Changes made in the most recent lt n gt commits since Changes made since and including a specific commit 2000000020 Commit ID 2000000021 Commit ID 2000000022 Commit ID RP 0 RSP1 CPUO router admin show configuration commit changes 2000000020 Building configuration username cisco secret 5 1SMgUH xzUEW6jLE yAYLKJE 3p440 group root system I end Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 E Chapter4 Configuring Additional Router Features M Managing Configuration History and Rollback FINAL DRAFT Cisco Confid
74. configuration to the router running configuration Example RP 0 RSPO CPUO router config commit Step7 end Ends the configuration session and returns to EXEC mode Example RP 0 RSPO CPUO router config end Step8 show logging Displays the messages that are logged in the buffer Example RP 0 RSPO CPU0 router show logging Examples Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide In the following example basic message logging is configured P 0 RSPO CPU0 router configure P O RSPO CPUO router config P O RSPO CPUO router config P O RSPO CPUO router config P O RSPO CPUO router config end P 0 RSPO CPU0 router show logging AAA A AAA A Syslog logging Monitor logging level debugging P 0 RSPO CPU0 router config logging 10 1 1 1 P 0 RSPO CPU0 router config logging trap debugging logging console emergencies logging buffered 1000000 commit enabled 162 messages dropped 0 flushes 0 overruns Console logging level emergencies 593 messages logged 0 messages logged Trap logging level debugging 2 messages logged Logging to 10 1 1 1 2 message lines logged Buffer logging level debugging Log Buffer 1000000 bytes 722 messages logged OL 17502 01 Chapter 4 Configuring Additional Router Features Creating and Modifying User Accounts and User Groups FINAL DRAFT Cisco Confidential P O RSPO C P
75. covery and verification of the path through IEEE 802 1 bridges and LANs MPLS OAM This protocol supports label switched path LSP ping LSP TraceRoute and virtual circuit connectivity verification VCCV Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 1 E OL 17502 01 Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router Router Overview Mi FINAL DRAFT Cisco Confidential Layer 3 routing The router runs Cisco IOS XR Software which supports Layer 3 routing and a range of IPv4 services and routing protocols including the following e Intermediate System to Intermediate System IS IS e Open Shortest Path First OSPF e static routing e IPv4 Multicast e Routing Policy Language RPL e Hot Standby Router Protocol HSRP e Virtual Router Redundancy Protocol VRRP MPLS VPN The router supports MPLS VPN this offers the following e MPLS L3VPN The IP VPN feature for MPLS allows a Cisco IOS Software or Cisco IOS XR Software network to deploy scalable IPv4 Layer 3 VPN backbone services An IP VPN is the foundation that companies use for deploying or administering value added services including applications and data hosting network commerce and telephony services to business customers e Carrier Supporting Carrier CSC CSC allows a MPLS VPN service provider to connect geographically isolated sites using another backbone service provider and still maintain a private address
76. curity IPSec Secure Shell SSH Protocol SNMPv3 and leading Routing Policy Language RPL support e Layer 2 ACLs You can use this security feature to filter packets under an EVC based on MAC addresses e Layer 3 ACLs This feature matches ACLs by IPv4 protocol packet attributes e Security Many critical security features are supported Standard IEEE 802 1ad Layer 2 Control Protocol L2CP and bridge protocol data unit BPDU filtering MAC limiting per EFP or bridge domain Unicast multicast and broadcast storm control blocking on any interface or port Unknown Unicast Flood Blocking UUFB Dynamic Host Configuration Protocol DHCP Snooping Unicast Reverse Path Forwarding URPF Control plane security e Secure Shell SSH e Authorization Admission Accounting AAA e Control Plane Policing CoPP Initial Router Configuration The initial configuration of the Cisco ASR 9000 Series Aggregation Services Router is determined automatically by the software when you boot the router you need not set up any general configuration information Also there is no explicit configuration needed to make a particular RSP active It becomes the active RSP when chosen automatically by the software upon boot Since there are not multiple RSP pairs in this router the only RSP choices are RSPO and RSP1 Typically the lower numbered slot is the chosen RSP If that RSP is not available the software chooses the RSP in the other slot as the
77. d exit Wildcards Templates and Aliases This section contains the following topics e Using Wildcards to Identify Interfaces in show Commands page 5 12 e Creating Configuration Templates page 5 13 e Aliases page 5 16 e Keystrokes Used as Command Aliases page 5 17 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide py Chapter5 CLI Tips Techniques and Shortcuts MM Wildcards Templates and Aliases FINAL DRAFT Cisco Confidential Using Wildcards to Identify Interfaces in show Commands Wildcards identify a group of interfaces in show commands Table 5 4 provides examples of wildcard usage to identify a group of interfaces Table 5 4 Examples of Wildcard Usage Wildcard Syntax Description sd Specifies all interfaces gi Specifies all Gigabit Ethernet interfaces in the system gi0 1 Specifies all Gigabit Ethernet interfaces in rack 0 slot 1 gi0 3 4 Specifies all subinterfaces for G10 3 4 Note The wildcard must be the last character in the interface name Example In the following example the configuration for all Gigabit Ethernet interfaces in rack 0 slot 1 appears RP 0 RSP1 CPU0 router show running config interface Gi0 1 interface Gi0 1 0 0 ipv4 address 10 2 3 gi ere 32 keepalive disable interface Gi0 1 0 1 ipv4 address 10 2 3 gi ere 32 keepalive disable interface Gi0 1 0 2 ipv4 address 10 2 3 gi
78. de page 3 31 Configuring the RSP Hostname page 3 32 Specifying the Management Ethernet Interface Name in CLI Commands page 3 33 Viewing the Available Management Ethernet Interfaces page 3 34 Configuring the Management Ethernet Interface page 3 35 Entering Configuration Changes You can make changes to a configuration and end up in one of two different modes as follows 1 2 Enter configuration changes The system prompts you to commit the changes 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide jg Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential 3 The system saves the changes to the running configuration and leaves you in configuration mode or in EXEC mode To remain in CONFIG mode after you commit changes perform the following procedure SUMMARY STEPS 1 configure 2 Enter configuration changes 3 end or commit DETAILED STEPS Command or Action Purpose Step1 configure Enters global configuration mode Example RP O0 RSPO CPU0 router configure Step2 Enter configuration changes Invokes the change you enter Step3 end Saves configuration changes or i e When you issue the end command the system prompts commet you to commit changes Uncommitted changes found commit them before Example exiting yes no cancel RP O RSPO CPUO router your config mode end cancel or Entering
79. dential In the preceding example the show configuration command displays the target configuration which includes the failed configuration Note The failed configuration is discarded 1f you exit global configuration mode or administration configuration mode without recovering the configuration After recovery correct and commit the configuration or save it to a file to avoid losing it Exiting a Configuration Submode When you have finished configuration changes in a configuration submode such as the interface or RSP configuration submodes you can return to return to the previous configuration mode and continue making configuration changes To exit a configuration submode type the exit command as shown in the following example Note RP 0 RSPO CPUO router configure RP 0 RSPO CPUO router config interface Gi 0 3 0 1 RP 0 RSPO CPUO router config 1f description this is my interface RP 0 RSPO CPUO router config if ipv4 address 10 1 1 1 255 0 0 0 RP 0 RSPO CPUO router config 1f exit RP 0 RSPO CPU0 router config If you use the exit command to exit global configuration or administration configuration mode the router prompts you to save changes discard changes or cancel the action as described in the next section Returning Directly to Configuration Mode from a Submode When you have finished configuration changes in a configuration submode such as the interface or RSP configuration submodes
80. dmin RP 0 RSP1 CPU0 router admin debug RP 0 RSP1 CPU0 router admin debug ectl Chassis control driver process debug cetftp Control ethernet TFTP CE TFTP server process debug cpuctrl Debug Cpuctrl Driver describe Describe a command without taking real actions diagnostic Diagnostic debugging dsc dsc debug all fsm table cfg and api dumper Admin Debug Dumper exit Exit from this submode fabric Fabric debugging fabricgq Debug Fabric Queue Manager fia Debug the Fabric Interface ASIC FIA driver gsp Admin Debug gsp ingressq Debug Ingress Queue Manager install Install debug information inv Inventory manager process debug invd Inventory debug all trap dll mem invmgr Inventory Manager client API interface debug ntp NTP information oird oird all event message pair DRP Pairing debug Display debugging messages of drp_pairing shelfmgr Shelfmgr debug all heartbeat boot fsm init and eah sysdb Configure SysDB debug settings upgrade fpd Debug upgrade fpd More Enabling Debugging for a Feature To enable debugging for a feature type the debug command in EXEC or administration EXEC mode and then enable the feature for debugging For example RP O RSPO CPUO router debug RP 0 RSPO CPU0 router debug aaa all RP 0 RSPO CPUO router debug exit You can also type the complete command from EXEC mode as shown in the following example RP 0 RSPO CPUO router debug aaa all Cisco ASR 9000 Series
81. e the changes and start over by entering the clear command P O RSPO CPUO router configure P 0 RSPO CPU0 router config interface Gi 0 3 0 1 P 0 RSPO CPU0 router config if description this is my interface P 0 RSPO CPU0 router config if ipv4 address 10 1 1 1 255 0 0 0 P 0 RSPO CPU0 router config if shutdown P 0 RSPO CPU0 router config if exit AAA AAA bs P O RSPO CPUO router config show configuration Building configuration interface Gi0 3 0 1 description this is my interface ipv4 address 10 1 1 1 255 0 0 0 shutdown end RP 0O RSPO CPUO router config clear RP 0 RSPO CPUO router config show configuration Building configuration end Committing Changes to the Running Configuration The changes in the target configuration do not become part of the running configuration until you type the commit command When you commit a target configuration you can use the commit command to do either of the following e Merge the target configuration with the running configuration to create a new running configuration e Replace the running configuration with the target configuration Note If you try to end a configuration session without saving your changes to the running configuration with the commit command you are prompted to save the changes See the Ending a Configuration Session section on page 3 31 for more information To commit target configuration changes to the running c
82. e Cisco IOS XR Software M Memory Warnings in Configuration Sessions A FINAL DRAFT Cisco Confidential e During acommit operation that results in the low memory warning message The commit operation is denied and only Ir root users can perform commit operations to remove configurations Caution Never ignore a low memory warning These warnings indicate a memory state that could affect system operations if not addressed WARNING MEMORY IS IN MINOR STATE If the system memory begins to run low the following minor memory warning appears when you enter a new configuration mode WARNING MEMORY IS IN MINOR STATE Although users are allowed to enter configuration mode they should immediately reduce memory usage using the tools described in the Removing Configurations to Resolve Low Memory Warnings section on page 6 9 Failure to take action can result in a worsening situation and eventual impact to router operations ERROR MEMORY IS IN SEVERE or CRITICAL STATE A When the memory is in a severe or critical state router operation and performance is likely to be affected Regular users are not allowed to enter configuration mode Only Ir root owners can enter configuration mode to free memory by removing configurations In some situations the commit command is not allowed Users with lr root access can still use the commit force command to apply configurations that reduce memory usage Reduci
83. e Command Mode Navigation Example page 3 15 Figure 3 1 shows the basic command mode navigation for the CLI Only a sample of possible submodes is shown Figure 3 1 Example of Command Mode Navigation in Cisco IOS XR Software Login y EXEC mode Y Administration EXEC mode Y Y Administration configuration mode Global configuration mode Y Logical router configuration submode Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Configuration submode examples Interface configuration submode Router configuration submode Line template configuration submode Task group configuration submode 149947 0L 17502 01 Chapter3 Configuring General Router Features W Navigating Cisco 10S XR Software Command Modes FINAL DRAFT Cisco Confidential Identifying the Command Mode in the CLI Prompt The command mode is identified in the CLI prompt after the router name When the router enters global configuration mode from the EXEC mode the CLI prompt changes to include config after the router name RP 0 RSPO CPU0 router configure RP 0 RSPO CPUO router config When the router enters interface configuration submode the prompt changes to include config if after the router name RP 0 RSPO CPU0 router config interface tunnel te 2 RP 0 RSPO CPUO router config 1f
84. e a question mark after the keyword to list the next available syntax option for the command RP 0 RSPO CPU0O router show aaa taskgroup Show all the local taskgroups configured in the system userdb Show all local users with the usergroups each belong to usergroup Show all the local usergroups configured in the system Note Include a space between the keyword and question mark Step 1 The following example shows how to add an entry to access list 99 The added entry denies access to all hosts on subnet 172 0 0 0 and ignores bits for IPv4 addresses that start within the range of 0 to 255 The following steps provide an example of on screen command help Type the access list command followed by a space and a question mark to list the available options for the command RP 0 RSPO CPU0 router config ipv4 access list log update Control access lists log updates maximum Out of resources configration WORD Access list name maximum 32 characters Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 5 CLI Tips Techniques and Shortcuts CLI Tips and Shortcuts Mi FINAL DRAFT Cisco Confidential Note Step 2 Step 3 Step 4 Step 5 The number ranges within the angle brackets are inclusive ranges Type the access list name list1 followed by a space and another question mark to display the arguments that apply to the keyword and brief explanations
85. e servers Cisco IOS XR Software manageability This feature provides industry standard management interfaces including a modular command line interface CLI Simple Network Management Protocol SNMP and native XML interfaces Cisco Active Network Abstraction ANA Cisco ANA is a flexible vendor neutral network resource management solution for a multitechnology multiservice network environment Operating between the network and the operations support system OSS layer Cisco ANA aggregates virtual network elements VNEs into a software based virtual network much as real network elements create the real world network Cisco ANA dynamically discovers network components and tracks the status of network elements in near real time Cisco ANA offers service providers Simplified integration of OSS applications with network information A flexible common infrastructure for managing network resources Consistent procedures and interfaces for all network elements Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router Security Initial Router Configuration Mi FINAL DRAFT Cisco Confidential e Cisco IOS XR Software This software provides comprehensive network security features including ACLs control plane protection routing authentications authentication authorization and accounting AAA TACACS IP Se
86. e system including fans EXEC mode or LEDs power supply voltage and current and temperatures Type administration show environment to see additional command options EXEC mode For more information on the use of these commands see the Related Documents section on page viii Browsing Display Output when the More Prompt Appears When command output requires more than one screen such as for the show or more command the output is presented one screen at a time and a More prompt appear at the bottom of the screen To display additional command output do one of the following e Press Enter to display the next line e Press the space bar to display the next screen of output The following example shows one screen of data and the More prompt RP 0 RSPO CPUO router show aaa Show AAA configuration and operational data Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 5 CLI Tips Techniques and Shortcuts Viewing System Information with show Commands Mi FINAL DRAFT Cisco Confidential adjacency Adjacency information aliases Display alias commands alphadisplay Shows the message being displayed on the alpha display aps SONET APS information arm IP ARM information arp ARP table as path access list asic errors List AS path access lists ASIC error information atc Attractor Cache related auto rp Auto RP Commands
87. ear commands to clear counters or interfaces Add a question mark at the end of the prompt or after a command to display the available options RP 0 RSPO CPUO routert show aaa Show AAA configuration and operational data access lists Access lists access lists access lists adjacency Adjacency information af ea AF EA Platform details aliases Display alias commands ancp Access Node Control Protocol show commands app obj APP OBJ Show Commands arm IP ARM information arp ARP show commands arp gmp ARP show commands asic errors ASIC error information atc Attractor Cache related attractor Show commands for attractor process attribute IM Attributes operations information auto rp Auto RP Commands bedl Show Bulk Content DownLoader information 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Managing Configuration Sessions Step 3 Step 4 Step 5 FINAL DRAFT Cisco Confidential bcm8705 Show trace data for the bcm8705 component bfd BFD information bgp BGP show commands bridgemib show bridge mib component bundle Show information for bundles interfaces calendar Display the system calendar cdp CDP information More Ss Note The commands available to you depend on the router mode and your user group assignments If you belong to a user group that has configuration privileges you can place the rout
88. ed before returning to EXEC or administration EXEC mode To display the combined target and running configuration type the show configuration merge command in any configuration mode Note The merge option does not appear in command help until the target configuration contains at least one configuration change The following example shows how to display the active RSP configuration show running config configure an interface and display the merged configuration RP 0 RSPO CPU0 router config if show configuration merge Building configuration 1 Last configuration change at Tue Dec 2 20 29 51 2008 by cisco hostname router clock timezone PST 8 clock summer time DST recurring 2 sunday march 02 00 first sunday november 02 00 logging console informational telnet vrf default ipv4 server max servers no limit domain lookup disable explicit path name GE_Path_to_P19 index 1 next address strict ipv4 unicast 10 114 4 44 index 2 next address strict ipv4 unicast 10 114 4 11 index 3 next address strict ipv4 unicast 10 119 4 11 index 4 next address strict ipv4 unicast 10 119 4 19 index 5 next address strict ipv4 unicast 10 19 19 19 explicit path name 10GE_Path_to_P19 index 1 next address strict ipv4 unicast 10 114 8 44 index 2 next address strict ipv4 unicast 10 114 8 11 s19 19 8 8 index 3 next address strict ipv4 unicast 10 119 8 11 index 4 next address strict ipv4 unicast 10 119 8 9 index 5 next address
89. elation Mi FINAL DRAFT Cisco Confidential Alarm Logging Correlation Alarm logging correlation is used to group and filter similar messages to reduce the amount of redundant logs and isolate the root causes of the messages For example the original message describing the online insertion and removal OIR and system state being up or down can be reported and all subsequent messages reiterating the same event can be correlated When you create correlation rules a common root event that is generating larger volumes of follow on error messages can be isolated and sent to the correlation buffer An operator can extract all correlated messages for display later should the need arise See Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide for more information Configuring Basic Message Logging Numerous options for logging system messages in Cisco IOS XR software are available This section provides a basic example To configure basic message logging complete the following steps SUMMARY STEPS 1 configure 2 logging ip address hostname 3 logging trap severity 4 logging console severity 5 logging buffered severity buffer size 6 commit 7 end 8 show logging DETAILED STEPS Command or Action Purpose Step1 configure Enters global configuration mode Example RP 0 RSPO CPU0 router configure Step2 logging ip address hostname Specifies a syslog server host to use for system lo
90. em cisco support Authenticated using method local User cisco has the following Task ID s Task aaa READ WRITE EXECUTE DEBUG Task acl READ WRITE EXECUTE DEBUG Task admin READ WRITE EXECUTE DEBUG Task ancp READ WRITE EXECUTE DEBUG Task atm READ WRITE EXECUTE DEBUG Task basic services READ WRITE EXECUTE DEBUG Task bedl READ WRITE EXECUTE DEBUG Task bfd READ WRITE EXECUTE DEBUG Task bgp READ WRITE EXECUTE DEBUG Task boot READ WRITE EXECUTE DEBUG Task bundle READ WRITE EXECUTE DEBUG Task cdp READ WRITE EXECUTE DEBUG Task cef READ WRITE EXECUTE DEBUG Task cisco support READ WRITE EXECUTE DEBUG reserved Task config mgmt READ WRITE EXECUTE DEBUG Task config services READ WRITE EXECUTE DEBUG Task crypto READ WRITE EXECUTE DEBUG Task diag READ WRITE EXECUTE DEBUG More show aaa usergroup Command Example To view the rights assigned to a user group type the show aaa usergroup group name command RP 0 RSPO CPU0O router show aaa usergroup root system User group root system Inherits from task group root system User group root system has the following combined set of task IDs including all inherited groups Task aaa READ WRITE EXECUTE DEBUG Task acl READ WRITE EXECUTE DEBUG Task admin READ
91. ember network devices by an alphanumeric hostname This name is used in the CLI prompt and default configuration filenames and to identify the RSP on the network To configure the hostname type the hostname command with the RSP name as shown in the following example RP O0 RSPO CPU0 router configure P 0 RSPO CPU0 router config hostname SDR_SJ P O RSPO CPUO router config commit AA P O RSPO CPUO Apr 7 00 07 33 246 config 65669 SLIBTARCFG 6 COMMIT Configuration ommitted by user user_a Use show configuration commit changes 1000000067 to view he changes P O RSPO CPUO RP_SJ config nad ps The preceding example sets the RSP name to RP_SJ Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter3 Configuring General Router Features Configuring the Management Ethernet Interface W FINAL DRAFT Cisco Confidential Note No blanks or spaces are permitted as part of a name Do not expect case to be preserved Uppercase and lowercase characters look the same to many Internet software applications It may seem appropriate to capitalize a name the same way you might if you were writing but conventions dictate that computer names appear all lowercase For more information see RFC 1178 Choosing a Name for Your Computer Configuring the Management Ethernet Interface The Management Ethernet interface on the RSPs is used to connect the router t
92. ential Previewing Rollback Configuration Changes The show configuration rollback changes command allows you to preview the configuration changes that take place if you roll back the configuration to a specific commitID For example if you want to roll back the configuration to a specific point all configuration changes made after that point must be undone This rollback process is often accomplished by executing the no version of commands that must be undone To display the prospective rollback configuration changes from the current configuration to a specific commitID go to EXEC or administration EXEC mode and type the show configuration rollback changes to commitld command In the following example the command help displays the available commitIDs and then the rollback changes are displayed RP 0 RSP1 CPU0 router show configuration rollback changes to 1000000217 Commit ID 1000000218 Commit ID 1000000219 Commit ID RP 0 RSP1 CPU0 router show configuration rollback changes to 1000000218 Building configuration no interface Loopback100 interface Gi0 1 0 0 no ipv4 nd dad attempts I no route policy xx end To display the prospective rollback configuration changes from the current configuration to a specified number of previous sessions go to EXEC or administration EXEC mode and type the show configuration rollback changes last commit range command RP 0 RSP0 CPU0 router show configuration rollback changes last 2 Bu
93. equisites 2 1 Software Requirements 2 2 Hardware Prerequisites and Documentation 2 2 Bringing Up and Configuring the Router 2 2 Examples 2 3 Verifying the System After Initial Boot 2 4 Examples of show Commands 2 5 Where to Go Next 2 8 CHAPTER 3 Contents 3 1 Connecting to and Communicating with the Router 3 1 Connecting Through the Console Port 3 2 Connecting Through a Terminal Server 3 3 Connecting Through the Management Ethernet Interface 3 5 Logging In to a Router 3 5 CLI Prompt 3 6 User Access Privileges 3 7 User Groups Task Groups and Task IDs 3 7 Predefined User Groups 3 8 Viewing Your User Groups and Task IDs 3 8 Examples 3 8 Navigating Cisco IOS XR Software Command Modes 3 11 Identifying the Command Mode in the CLI Prompt 3 12 Common Command Modes 3 12 Entering EXEC Commands from a Configuration Mode 3 14 Command Mode Navigation Example 3 15 Managing Configuration Sessions 3 16 Entering Configuration Changes 3 17 Viewing Active Configuration Sessions 3 19 Starting a Configuration Session 3 20 Examples 3 20 Starting an Exclusive Configuration Session 3 21 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Contents Mi FINAL DRAFT Cisco Confidential Viewing Configuration Details 3 21 Viewing the Running Configuration 3 22 Viewing a Sanitized Version of the Running Configuration 3 23 Viewing the Target Configuration 3 24 Viewing a Combined Target and Running Configuratio
94. er in the global configuration mode by entering the configure command RP 0 RSPO CPU0 router configure RP 0 RSPO CPUO router config From global configuration mode you can place the router in a configuration submode such as interface configuration mode or a protocol specific configuration mode RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config mpls ldp RP 0 RSPO CPUO router config ldp In the following example the router enters interface configuration mode and the user selects an MPLS Traffic Engineering Tunnel interface for configuration RP 0 RSPO CPU0 router config interface tunnel te 2 RP 0 RSPO CPUO router config if The command mode prompt changes from config to config if and you can now enter configuration commands for the specified interface To exit interface configuration mode and return to global configuration mode type the exit command To return to EXEC mode type the end command Managing Configuration Sessions With the Cisco IOS XR Software you cannot change the running active configuration directly Enter configuration changes into an inactive target configuration When the target configuration is ready apply that configuration to the router with the commit command This allows you to make edit and verify configuration changes before impacting the running state of the router Figure 3 2 shows the two stage configuration process Cisco ASR 9000 Series Aggregation Serv
95. erity Levels page 4 12 e Alarm Logging Correlation page 4 13 e Configuring Basic Message Logging page 4 13 e Disabling Console Logging page 4 15 Logging Locations and Severity Levels Error messages can be logged to a variety of locations as shown in Table 4 1 Table 4 1 Logging Locations for System Error Messages Logging Destination Command Global Configuration Mode console logging console vty terminal logging monitor external syslog server logging trap internal buffer logging buffered You can log messages based on the severity level of the messages as shown in Table 4 2 Table 4 2 Logging Severity Levels for System Error Messages Level Description Level 0 Emergencies System has become unusable Level 1 Alerts Immediate action needed to restore system stability Level 2 Critical Critical conditions that may require attention Level 3 Errors Error conditions that may help track problems Level 4 Warnings Warning conditions that are not severe Level 5 Notifications Normal but significant conditions that bear notification Level 6 Informational Informational messages that do not require action Level 7 Debugging Debugging messages are for system troubleshooting only Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Ca OL 17502 01 Chapter4 Configuring Additional Router Features Configuring Logging and Logging Corr
96. es Loaded Rollback Changes in 1 sec Committing 2 items committed in 1 sec 1 items sec Updating Updated Commit database in 1 sec Configuration successfully rolled back to 1000000220 Rolling Back the Configuration over a Specified Number of Commits When you roll back the configuration over a specific number of commits you do not have to enter a specific commit ID Instead you specify a number x and the software undoes all configuration changes made in the last x committed configuration sessions The rollback process rolls back the configuration commits the rolled back configuration and creates a new commitID for the previous configuration Tip To preview the commands that undo the configuration during a rollback use the show configuration rollback changes command To roll back to the last x commits made go to EXEC or administration EXEC mode and type the rollback configuration last x command x is a number ranging from 1 to the number of saved commits in the commit database In the following example a request is made to roll back the configuration changes made during the previous two commits RP O0 RSPO CPU0 router rollback configuration last 2 Loading Rollback Changes Loaded Rollback Changes in 1 sec Committing 1 items committed in 1 sec 0 items sec Updating Updated Commit database in 1 sec Configuration successfully rolled back 2 commits Loading CommitlD Configuration Changes to the Tar
97. et Network Management Framework NMF which is defined in Internet documents called RFCs The SNMPv1 NMF is defined by RFCs 1155 1157 and 1212 and the SNMPv2 NMF is defined by RFCs 1441 through 1452 For more information on SNMP v3 see RFC 2272 and 2273 SNMP is a popular protocol for managing diverse commercial internetworks and those used in universities and research organizations SNMP related standardization activity continues even as vendors develop and release state of the art SNMP based management applications SNMP is a relatively simple protocol yet its feature set is sufficiently powerful to handle the difficult problems presented in trying to manage the heterogeneous networks of today For more information see the Cisco IOS XR Software documents listed in the Related Documents section on page vili Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 1 10 E OL 17502 01 Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router Initial Router Configuration Mi FINAL DRAFT Cisco Confidential Connecting to the Router Through the Console Port The first time you connect to a new router with Cisco IOS XR software connect through the Console port Although typical router configuration and management take place using an Ethernet port you must configure the console port for your LAN before it can be used Because a new router has no name IP address or other credentials
98. ey sequence to recall successively more recent commands Recalling Deleted Entries The Cisco IOS XR CLI also stores deleted commands or keywords in a history buffer The buffer stores the last ten items that have been deleted using Ctrl K Ctrl U or Ctrl X Individual characters deleted using Backspace or Ctrl D are not stored Table 5 7 identifies the keystroke combinations used to recall deleted entries to the command line Table 5 7 Keystroke Combinations to Recall Deleted Entries Command or Key Combination Recalls Ctrl Y The most recent entry in the buffer press the keys simultaneously Esc Y The previous entry in the history buffer press the keys sequentially Note The Esc Y key sequence does not function unless the Ctrl Y key combination is pressed first If the Esc Y is pressed more than ten times the history cycles back to the most recent entry in the buffer Redisplaying the Command Line If the system sends a message to the screen while a command is being entered the current command line entry can be redisplayed using the Ctrl L or Ctrl R key combination Key Combinations The following sections provide information on key combinations e Key Combinations to Move the Cursor page 5 19 e Keystrokes to Control Capitalization page 5 19 e Keystrokes to Delete CLI Entries page 5 20 e Transposing Mistyped Characters page 5 20 Cisco ASR 9000 Series Aggregation Services Router Getting Started
99. f 30 seconds and a maximum of 300 seconds 5 minutes e During the trial configuration enter commit to confirm the configuration If you do not type the commit command the router reverts to the previous configuration when the trial time period expires e The confirmed option is not available in administration configuration mode commit label line Optional Assigns a meaningful label This label appears in the output for the show configuration commit list detail command instead of the numeric label e The line argument is the text for the optional comment or label commit force Optional Merges the target configuration with the running configuration and allows a configuration commit in low memory conditions A low memory warning occurs when a user attempts to commit a target configuration that exceeds the default capacity of the router The recommended resolution to such a warning is to remove configurations using the no commands A Caution The force option can cause the router to experience severe problems if low memory conditions occur The force option should be used only to remove configurations commit replace Optional Replaces the contents of the running configuration with the target configuration Examples The following examples illustrate how to commit a configuration e Committing a Configuration from Global Configuration Mode Example page 3 30 e Committing a Configuration fr
100. figuration changes Entering cancel leaves the router in the current configuration session without exiting or committing the configuration changes e Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session Step5 show hosts Displays all configured name servers Example RP 0 RSPO CPUO router config show hosts Examples In the following example the domain name and DNS are configured RP O0 RSPO CPU0 router configure RP 0O RSPO CPUO router config domain name cisco com RP 0O RSPO CPUO router config domain name server 10 1 1 1 RP 0O RSPO CPUO router config commit RP 0O RSPO CPUO router config end RP 0 RSPO CPU0 router show hosts Default domain is cisco com Name address lookup uses domain service Name servers 10 1 1 1 Configuring Telnet and XML Host Services For security some host services are disabled by default You can enable Host services such as Telnet and Extensible Markup Language XML using the commands in this section Enabling the Telnet server allows users to log in to the router using IPv4 Telnet clients Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EN Chapter4 Configuring Additional Router Features W Configuring Telnet and XML Host Services FINAL DRAFT Cisco Confidential Prerequisites Ensure the following prerequisites are met be
101. figuring Additional Router Features Configuration Limiting Mi FINAL DRAFT Cisco Confidential Number of Parallel Links max paths Example In the following example the maximum paths command is used to set the maximum number of parallel routes RP O0 RSP1 CPU0 router configure RP 0O RSP1 CPUO router config router ospf 100 RP 0 RSP1 CPU0 router config router maximum paths 10 RP 0 RSP1 CPU0 router config router end Uncommitted changes found commit them yes y RP O0 RSP1 CPU0 Mar 30 18 05 13 config 65740 LIBTARCFG 6 COMMIT committed by user cisco Use show configuration commit changes 1000000542 he changes P 0 RSP1 y cisco P O RSP1 bs L CPUO Mar 30 18 05 13 config 65740 Sp bs CPUO routert Routing Policy Language Line and Policy Limits Two limits for Routing Policy Language RPL configurations exist SSYS 5 CONFIG_I Configuration to view Configured from console 1 Number of RPL lines The number of configuration lines entered by the user including the beginning and ending statements that is route policy The number of configuration lines for sets is also included 2 Number of RPL policies The number of policies that can be configured on the router Policies are counted only once Multiple use of the same policy counts as a single policy toward the limit 1 The limits for RPL lines and policies are summarized in Table 4 7 You can
102. fore configuring Telnet and XML host services e For the XML host services the Manageability package must be installed and activated on the router e To enable the Secure Socket Layer SSL of the XML services the Security package must be installed and activated on the router See Cisco ASR 9000 Series Aggregation Series Router System Management Configuration Guide for information on installing and activating packages Note This process enables the Telnet and XML host services on the Management Ethernet interfaces For more information on how to enable these services on other inband interfaces refer to the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide SUMMARY STEPS 1 configure 2 telnet ipv4 server max servers limit 3 end or commit E Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter4 Configuring Additional Router Features Configuring Telnet and XML Host Services FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step1 configure Example RP 0 RSPO CPUO router configure Enters global configuration mode Step 2 telnet ipv4 server max servers limit Example RP 0 RSPO CPU0 router config telnet ipv4 server max servers 5 Enables Telnet services on the router and specifies the maximum number of allowable Telnet servers Step3 end or commit Example RP 0 RSPO
103. from outside to inside Concatenated constructs are matched beginning at the left side of the construct Thus the regular expression matches A9b3 but not 9Ab3 because the letters are specified before the numbers Pattern Alternation Alternation can be used to specify alternative patterns to match against a string Separate the alternative patterns with a vertical bar I Only one of the alternatives can match the string For example the regular expression codexltelebit matches the string codex or the string telebit but not both codex and telebit Anchor Characters Anchoring can be used to match a regular expression pattern against the beginning or end of the string Regular expressions can be anchored to a portion of the string using the special characters shown in Table A 3 Table A 3 Special Characters Used for Anchoring Character Description a Matches the beginning of the string Matches the end of the string For example the regular expression con matches any string that starts with con and sole matches any string that ends with sole In addition to indicating the beginning of a string the can be used to indicate the logical function not when used in a bracketed range For example the expression abcd indicates a range that matches any single letter as long as it is not the letters a b c and d Underscore Wildcard Use the underscore to match the beginning of a string the end of a string
104. get Configuration If the changes saved for a specific commitID are close to what you want but a rollback is not appropriate you can load the configuration changes for a commitID into the target configuration modify the target configuration and then commit the new configuration Unlike the rollback process the loaded changes are not applied until you commit them Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EN Chapter4 Configuring Additional Router Features M Managing Configuration History and Rollback Ss FINAL DRAFT Cisco Confidential Note Unlike the rollback process loading the commitID configuration changes loads only the changes made during that commit operation The load process does not load all changes made between the commitID and the current committed configuration To load commitID changes in the target configuration go to global configuration or administration configuration mode and type the load commit changes command with the commitID number In the following example show commands are used to display the changes for a commitID the commitID configuration is loaded into the target configuration and the target configuration appears RP 0 RSP1 CPU0 router show configuration commit changes last Changes made in the most recent lt n gt commits since Changes made since and including a specific commit 1000000217 Commit ID 1000000218 Commit ID 100000
105. gging Example RP 0 RSPO CPU0 router config logging 10 1 1 1 Step3 logging trap severity Limits the logging of messages sent to syslog servers to only those messages at the specified level Example e See Table 4 2 for a summary of the logging severity RP 0 RSPO CPU0 router config logging trap levels debugging Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 ESEN Chapter4 Configuring Additional Router Features WE Configuring Logging and Logging Correlation FINAL DRAFT Cisco Confidential Command or Action Purpose Step4 logging console severity Logs messages on the console e When a severity level is specified only messages at Example that severity level are logged on the console RP 0 RSPO CPUO rout fig loggi A o a a AA e See Table 4 2 for a summary of the logging severity emergencies levels Step5 logging buffered severity buffer size Copies logging messages to an internal buffer e Newer messages overwrite older messages after the Example buffer is filled RP O0 RSPO CPUO fi loggi ff spe A ES e Specifying a severity level causes messages at that level and numerically lower levels to be logged in an internal buffer See Table 4 2 for a summary of the logging severity levels e The buffer size is from 4096 to 4 294 967 295 bytes Messages above the set limit are logged to the console Step6 commit Commits the target
106. gging for a Feature page 6 4 e Viewing Debugging Status page 6 5 e Disabling Debugging for All Services Started at the Active Terminal Session page 6 5 e Disabling Debugging for All Services Started at All Terminal Sessions page 6 6 Caution Debug commands can generate a very large amount of output and can render the system unusable Use debug to troubleshoot specific problems or during specific troubleshooting sessions on systems that are not in production 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter6 Troubleshooting the Cisco IOS XR Software M Basic Troubleshooting Commands FINAL DRAFT Cisco Confidential Viewing a List of Debug Features To display a list of the available debug features Type the debug mode and enter a for on screen help The set of debug mode features is different in EXEC and administration EXEC modes In the following example EXEC mode is the entry point to debug mode RP 0 RSPO CPU0 router debug RP 0 RSPO CPUO router debug aaa AAA Authentication Authorization and Accounting adjacency Adjacency debug adjacency platform AIB information aib AIB information alarm logger Turn on alarm debugging arm IP Address Repository Manager arp IP ARP transactions asic errors Debug ASIC erors asic scan Debug Asic Scan More In the next example administration EXEC mode is the entry point to debug mode RP O RSP1 CPU0 router a
107. gns the user named in Step 2 to a user group e The user takes on all attributes of the user group as Example defined by the user group association to various task RP 0 RSPO CPUO router config un group groups sysadmin i e Fach user must be assigned to at least one user group A user may belong to multiple user groups Step5 Repeat Step 4 for each user group to be associated with the user specified in Step 2 Step6 commit Saves configuration changes and activates them as part of the running configuration Example RP 0 RSPO CPUO router config un commit Related Documents Related Topic Document Title Create users assign users to user groups create and modify user groups and configure remote AAA access Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Cau OL 17502 01 Chapter 4 Configuring Additional Router Features Configuring Software Entitlement Mi FINAL DRAFT Cisco Confidential Configuring Software Entitlement Certain software and hardware features are enabled using software entitlement which is a system that consists of a license manager on a Cisco IOS XR device that manages licenses for various software and hardware features The license manager parses and authenticates a license before accepting it The software features on the router use the license manager APIs to
108. guration Changes page 4 8 Rolling Back the Configuration to a Specific Rollback Point page 4 8 Rolling Back the Configuration over a Specified Number of Commits page 4 9 Loading CommitID Configuration Changes to the Target Configuration page 4 9 Loading Rollback Configuration Changes to the Target Configuration page 4 10 Deleting CommitIDs page 4 11 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter4 Configuring Additional Router Features Managing Configuration History and Rollback Mi FINAL DRAFT Cisco Confidential Viewing CommitlDs To view up to 100 of the most recent commitIDs type the show configuration commit list command in EXEC or administration EXEC mode Up to 100 of the most recent commitIDs are saved by the system Each commitID entry shows the user who committed configuration changes the connection used to execute the commit and commitID time stamp The commitIDs are shown in the Label ID column The following example shows the show configuration commit list command display in EXEC and administration EXEC modes RP 0 RSP1 CPU0 router show configuration commit list SNo Label ID User Line Client Time Stamp 1 1000000219 cisco vty0 CLI 12 27 50 UTC Wed Mar 22 2008 2 1000000218 cisco veyl CLI 11 43 31 UTC Mon Mar 20 2008 3 1000000217 cisco con0O_RSPO_C CLI 17 44 29 UTC Wed Mar 15 2008 RP O RSP1 CPU0 router admin RP 0 RSP1 CPUO router admin show
109. guration mode you can enter all Cisco IOS XR Software commands supported in that configuration mode Each command is added to the target configuration You can view the target configuration by entering the show configuration command in configuration mode The target configuration is not applied until you type the commit command as described in the Committing Changes to the Running Configuration section on page 3 28 You can save target configurations to disk as nonactive configuration files These saved files can be loaded further modified and committed at a later time For more information see the Saving the Target Configuration to a File section on page 3 26 Examples The following examples show how to manage configuration sessions e Simple RSP Configuration Example page 3 20 e Simple Administration Configuration Session Example page 3 21 Simple RSP Configuration Example This example shows a simple owner RSP configuration session in which the target configuration is created and previewed in global configuration mode RP 0 RSPO CPUO router configure RP 0 RSPO CPU0 router config interface tunnel te 2 RP 0 RSPO CPU0 router config if show configuration Building configuration interface tunnel te2 description faq Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter3 Configuring General Router Features Managing Configuration Sessions Mi FINAL
110. he undebug command to turn off debugging for a service or subsystem In the following example the no debug command disables debugging for the AAA feature RP 0 RSPO CPUO router no debug aaa all RP O RSPO CPUO router show debug debug flags set from tty con0_RSP1_CPUO ipv4 io icmp flag is ON You can also turn off debugging from the undebug mode as shown in the following example RP 0 RSPO CPU0 router undebug RP 0 RSPO CPU0 router undebug aaa all RP 0 RSPO CPUO router undebug exit Disabling Debugging for All Services Started at the Active Terminal Session Use the undebug all or no debug all command to turn off all debugging started by the active terminal session For example if you enter either of these commands while connected to the router through the console port on the active RP all debug sessions started from that console port are disabled In the following example debugging for all services is disabled and then verified RP 0 RSPO CPU0 router undebug all RP 0 RSPO CPUO routert show debug No matching debug flags set 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter6 Troubleshooting the Cisco IOS XR Software M Configuration Error Messages FINAL DRAFT Cisco Confidential Disabling Debugging for All Services Started at All Terminal Sessions Use the undebug all all tty command to turn off debugging for all services that have been started f
111. hrough a terminal e Terminals send keystrokes to and receive characters from another device If you connect a computer to the Console port use terminal emulation to communicate with the router For instructions on using a terminal emulation program see its documentation Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 2 E OL 17502 01 Chapter3 Configuring General Router Features Connecting to and Communicating with the Router Ml FINAL DRAFT Cisco Confidential Command or Action Purpose Step4 Press Enter Initiates communication with the router e If no text or router prompt appears when you connect to the Console port press Enter to initiate communications e If no text appears when you press Enter and the router has been started recently give the router more time to complete the initial boot procedure then press Enter e The router displays the prompt Username Step5 Log in to the router Establishes your access rights for the router management session e Type your username and password as described in the Logging In to a Router section on page 3 5 e After you log in the router displays the CLI prompt which is described in the CLI Prompt section on page 3 6 Connecting Through a Terminal Server A terminal server connection provides a way to remotely access the Console port It is less expensive to connect to the router through the Management Ethe
112. ices Router Getting Started Guide 315 E OL 17502 01 Chapter3 Configuring General Router Features Managing Configuration Sessions FINAL DRAFT Cisco Confidential Figure 3 2 Two Stage Configuration Process Global EXEC mode configuration mode Stage 1 Stage 2 Enter configuration Commit changes changes or load a to the running we saved configuration configuration aca F ministration Administration L gt configuration mode mode Save configuration changes to a file Global configuration mode configures RSP level features such as routing protocols and interfaces Administration configuration mode assigns hardware components to RSPs The following sections describe management options for configuration sessions Entering Configuration Changes page 3 17 Viewing Active Configuration Sessions page 3 19 Starting a Configuration Session page 3 20 Starting an Exclusive Configuration Session page 3 21 Viewing Configuration Details page 3 21 Saving the Target Configuration to a File page 3 26 Loading the Target Configuration from a File page 3 27 Loading an Alternative Configuration at System Startup page 3 27 Clearing All Changes to a Target Configuration page 3 27 Committing Changes to the Running Configuration page 3 28 Exiting a Configuration Submode page 3 31 Returning Directly to Configuration Mode from a Submo
113. ide OL 17502 01 FINAL DRAFT Cisco Confidential Using the Question Mark to Display On Screen Command Help 5 2 Completing a Partial Command with the Tab Key 5 4 Identifying Command Syntax Errors 5 4 Using the no Form ofa Command 5 4 Editing Command Lines that Wrap 5 5 Viewing System Information with show Commands 5 5 Common show Commands 5 6 Browsing Display Output when the More Prompt Appears 5 6 Halting the Display of Screen Output 5 7 Redirecting Output to a File 5 7 Narrowing Output from Large Configurations 5 8 Limiting show Command Output to a Specific Feature or Interface 5 8 Using Wildcards to Display All Instances of an Interface 5 8 Filtering show Command Output 5 9 Adding a Filter at the More Prompt 5 10 Multipipe Support 5 11 Show Parser Dump Enhancement Feature 5 11 Wildcards Templates and Aliases 5 11 Using Wildcards to Identify Interfaces in show Commands 5 12 Example 5 12 Creating Configuration Templates 5 13 Examples 5 15 Applying Configuration Templates 5 15 Examples 5 15 Aliases 5 16 Keystrokes Used as Command Aliases 5 17 Command History 5 17 Viewing Previously Entered Commands 5 17 Recalling Previously Entered Commands 5 17 Recalling Deleted Entries 5 18 Redisplaying the Command Line 5 18 Key Combinations 5 18 Key Combinations to Move the Cursor 5 19 Keystrokes to Control Capitalization 5 19 Keystrokes to Delete CLI Entries 5 20 Transposing Mistyped Characters 5 20 CHAPTER 6 Conte
114. idential CHAPTER 5 CLI Tips Techniques and Shortcuts s This chapter describes techniques for using the command line interface CLI of the Cisco IOS XR software Contents e CLI Tips and Shortcuts page 5 1 e Viewing System Information with show Commands page 5 5 e Wildcards Templates and Aliases page 5 11 e Command History page 5 17 e Key Combinations page 5 18 Note Commands can be entered in uppercase lowercase or mixed case Only passwords are case sensitive However the Cisco Systems documentation convention presents commands in lowercase CLI Tips and Shortcuts The following sections describe tips and shortcuts useful when using the CLI e Entering Abbreviated Commands page 5 1 e Using the Question Mark to Display On Screen Command Help page 5 2 e Completing a Partial Command with the Tab Key page 5 4 e Identifying Command Syntax Errors page 5 4 e Using the no Form of a Command page 5 4 e Editing Command Lines that Wrap page 5 5 Entering Abbreviated Commands You can abbreviate commands and keywords to the number of characters that allow a unique abbreviation For example the configure command can be abbreviated as config because the abbreviated form of the command is unique The router accepts and executes the abbreviated command Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 EN Chapter5 CLI Tips Techniques and Shortcuts W CLI T
115. iew information about the active and standby inactive RPs type the show redundancy command as follows Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide HE OL 17502 01 Chapter 2 Bringing Up Cisco 10S XR Software on the Router Verifying the System After Initial Boot FINAL DRAFT Cisco Confidential RP O0 RSPO CPU0 router show redundancy Redundancy information for node O RSPO CPUO Node O RSPO CPUO is in ACTIVE role Partner node 0 RSP1 CPU0 is in STANDBY role Standby node in O RSP1 CPU0O is ready Reload and boot info RP reloaded Wed Feb 15 13 58 32 2008 1 week 6 days 22 hours 49 minutes ago Active node booted Wed Feb 15 13 58 32 2008 1 week 6 days 22 hours 49 minutes ago Standby node boot Wed Feb 15 13 59 00 2008 1 week 6 days 22 hours 49 minutes ago Standby node last went not ready Wed Mar 1 07 40 00 2008 5 hours 8 minutes ago Standby node last went ready Wed Mar 1 07 40 00 2008 5 hours 8 minutes ago There have been 0 switch overs since reload show environment Command Example To view environmental monitor parameters for the system use the show environment command in EXEC or administration EXEC mode Use the following command syntax show environment options Type the show environment command to view the command options The following example shows a router s temperature information RP 0 RSPO CPU0 router show environment temperatures R S I Modules I
116. iguration can be used to share a configuration without exposing the configuration details In EXEC and global configuration mode you can view the sanitized RSP configuration for the RSP to which you are connected When you are connected to the RSP and operating in administration EXEC and administration configuration mode you can view the sanitized administration configuration which includes hardware assignments for RSPs To display the sanitized RSP portion of the running configuration type the show running config sanitized command in EXEC or global configuration mode as shown in the following example RP 0 RSPO CPUO router config show running config sanitized Building configuration 1 Last configuration change at Tue Dec 2 20 29 51 2008 by lt removed gt hostname lt removed gt clock timezone lt removed gt 8 clock summer time lt removed gt recurring 2 sunday march 02 00 first sunday november 02 00 logging console informational telnet vrf lt removed gt ipv4 server max servers no limit domain lookup disable explicit path name lt removed gt index 1 next address strict ipv4 unicast 10 0 0 0 index 2 next address strict ipv4 unicast 10 0 0 0 index 3 next address strict ipv4 unicast 10 0 0 0 index 4 next address strict ipv4 unicast 10 0 0 0 index 5 next address strict ipv4 unicast 10 0 0 0 explicit path name lt removed gt index 1 next address strict ipv4 unicast 10 index 2 next address strict ipv4 unicast 10 index
117. ilding configuration interface Loopback3 no description no ipv4 address 10 0 1 1 255 0 0 0 exit interface Loopback4 no description no ipv4 address 10 0 0 1 255 0 0 0 end In the preceding example the command display shows the proposed rollback configuration changes for the last two commit IDs Rolling Back the Configuration to a Specific Rollback Point When you roll back the configuration to a specific rollback point you undo all configuration changes made during the session identified by the commit ID for that rollback point and you undo all configuration changes made after that point The rollback process rolls back the configuration and commits the rolled back configuration The rollback process also creates a new rollback point so that you can roll back the configuration to the previous configuration Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide mae E OL 17502 01 Chapter4 Configuring Additional Router Features Managing Configuration History and Rollback Mi FINAL DRAFT Cisco Confidential je Tip To preview the commands that undo the configuration during a rollback use the show configuration rollback changes command To roll back the router configuration to a previously committed configuration go to EXEC or administration EXEC mode and type the rollback configuration to commitld command RP 0 RSP1 CPU0 router rollback configuration to 1000000220 Loading Rollback Chang
118. in AC or DC versions e a6 slot chassis e a10 slot chassis Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide o E OL 17502 01 Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router System Configurations Mi FINAL DRAFT Cisco Confidential Figure 1 1 6 Slot Chassis eae SBR ee UT gt l Se A Figure 1 2 10 Slot Chassis Each chassis type supports 40G per slot and can share route switch processors RSPs and line cards LCs which are interchangeable In each chassis two slots are designated for RSPs while the remaining slots accommodate line cards that carry the traffic The RSPs interconnect the line cards and provide chassis management and control Any line card can be used as a network facing trunk card a subscriber facing card or it can provide any other form on connectivity The router uses the following line cards e 40x1GE Ethernet line card e 4x10GE Ethernet line card Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 E Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router M Management and Security FINAL DRAFT Cisco Confidential 8x10GE Ethernet line card Management and Security Manageability In addition to the management and security features listed below the router has administrative options like assigning Task IDs that control who can pe
119. interface configuration mode Multicast Source Discovery Protocol MSDP Limits Maximum MSDP Source 20 000 75 000 maximum external sa n show msdp summary Active SA entries router MSDP configuration mode Maximum MSDP SA 20 000 75 000 maximum peer external sa n show msdp summary entries that can be learned from MSDP peers router MSDP configuration mode Protocol Independent Multicast PIM Limits Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 4 Configuring Additional Router Features Configuration Limiting Mi FINAL DRAFT Cisco Confidential Table 4 8 Multicast Configuration Limits and Commands continued Default Absolute Maximum Maximum Show Current Settings Feature Limit Description Limit Limit Configuration Command Command EXEC Mode Maximum PIM routes 100 000 200 000 maximum routes n show pim summary supported router PIM configuration mode Maximum PIM egress 300 000 600 000 maximum route interfaces n show pim summary Slates router PIM configuration mode Maximum PIM registers 20 000 75 000 maximum register states n show pim summary router PIM configuration mode Maximum number of 500 5000 maximum group mappings autorp n show pim summary PIM group map ranges router PIM configuration mode learned from Auto RP MPLS Configuration Limits Table 4 9 summarizes the maximum limits for Mu
120. interface names for a single shelf system The Management Ethernet interfaces are listed with the prefix Mg in the Intf Name column Table 3 7 Management Ethernet Interface Names Management Interface Interface Name Example TABLE TO BE UPDATED WITH MgmtEth0 RSP0 CPU0 0 router config interface MgmtEth0 RSP0 CPU0 0 VIKING INFORMATION MegmtEth0 RSP1 CPU0 0 _ router config interface MgmtEth0 RSP1 CPU0 0 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide oL 17502 01 a 333 Chapter 3 Configuring General Router Features WE Configuring the Management Ethernet Interface FINAL DRAFT Cisco Confidential Table 3 7 Management Ethernet Interface Names MemtEth0 5 CPU0 0 router config interface MgmtEth0 5 CPU0 0 MgmtEth0 5 CPU 1 0 router config interface MgmtEth0 5 CPU1 0 MgmtEth0 0 CPUO O router config interface MgmtEth0 0 CPU0 0 MegmtEth0 0 CPU0 1 router config interface MgmtEth0 0 CPU0 1 MgmtEth0 1 CPUO O router config interface MgmtEth0 1 CPU0 0 MegmtEth0 1 CPU0 1 router config interface MgmtEth0 1 CPU0 1 Viewing the Available Management Ethernet Interfaces RP 0 RSPO CPUO routerttshow interfaces brief To display the router interfaces type the show interfaces brief command in EXEC mode as follows Intf Intf LineP Encap MTU Name State State Type byte Kbps Lo0 up up Loopback 514 Unknown NuO up up Null 500 Unknown tt441
121. ion at http www cisco com en US docs general whatsnew whatsnew html Subscribe to the What s New in Cisco Product Documentation as a Really Simple Syndication RSS feed and set content to be delivered directly to your desktop using a reader application The RSS feeds are a free service and Cisco currently supports RSS version 2 0 OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Preface FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Contents CHAPTER 1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router This chapter introduces the Cisco ASR 9000 Series Aggregation Services Router that runs Cisco IOS XR Software It also introduces router concepts features and user interfaces e Router Overview page 1 1 e System Configurations page 1 6 e Management and Security page 1 8 e Initial Router Configuration page 1 9 e Where to Go Next page 1 13 Router Overview The router is a multilayer Ethernet switching and aggregation platform It is also a label edge router LER that sits at the edge of a Multiprotocol Label Switching MPLS network The router has links that extend outside the MPLS network It provides access and aggregation services for enterprise and service providers Features and Capabilities A scalable carrier class distributed forwarding router the r
122. ips and Shortcuts FINAL DRAFT Cisco Confidential Using the Question Mark to Display On Screen Command Help Table 5 1 Command pP Use the question mark to learn what commands are available and the correct syntax for a command Table 5 1 summarizes the options for on screen help Tip The space or no space before the question mark is significant If you include a space before the question mark the system displays all available options for a command or CLI mode If you do not include a space the system displays a list of commands that begin with a particular character string On Screen Help Commands Description partial command Type a question mark at the end of a partial command to list the commands that begin with those characters RP 0 RSP0 CPU0 router co configure copy Note Do not include a space between the command and question mark Es Lists all commands available for a particular command mode command Include a space before the question mark to list the keywords and arguments that belong to a command RP 0 RSPO CPU0O router configure exclusive Configure exclusively from this terminal terminal Configure from the terminal lt cr gt Note For most commands the lt cr gt symbol indicates that you can execute the command with the syntax already entered For the preceding example press Enter to enter global configuration mode command keyword Typ
123. isco IOS XR Software first connect to it using a terminal or a PC Before you connect to the router determine which entity to manage You can manage router hardware or named RSPs Connections are made through a direct physical connection to the Console port or through management interfaces To connect through the management interfaces establish IP addresses and a default gateway The first time a router starts use a direct connection to the Console port to type the configuration information When directly connected to the Console port enter CLI commands at a terminal or computer running terminal emulation software This direct Console port connection is useful for debugging as well Configure the Management Ethernet interface described in the Configuring the Management Ethernet Interface section on page 3 33 Router management and configuration can take place over an Ethernet network connected to the Management Ethernet interface Simple Network Management Protocol SNMP agents also use the network connection You can use the modem connection for remote communications with the router If the Management Ethernet interface fails the modem connection is an alternate path The following sections describe how to connect to the router OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Connecting to and Communicating with the Router FINA
124. kspace and number of kilobytes to reclaim RP 0 RSPO CPUO router clear configuration commit diskspace 50 Deleting 4 rollback points 1000000001 to 1000000004 64 KB of disk space will be freed Continue with deletion confirm To delete a specific number of the oldest commitIDs type the clear configuration commit command followed by the keyword oldest and number of commitIDs to delete RP 0 RSPO CPU0 router clear configuration commit oldest 5 Deleting 5 rollback points 1000000005 to 1000000009 80 KB of disk space will be freed Continue with deletion confirm 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide py Chapter4 Configuring Additional Router Features WE Configuring Logging and Logging Correlation FINAL DRAFT Cisco Confidential Configuring Logging and Logging Correlation System messages generated by the Cisco IOS XR software can be logged to a variety of locations based on the severity level of the messages For example you could direct information messages to the system console and also log debugging messages to a network server In addition you can define correlation rules that group and summarize related events generate complex queries for the list of logged events and retrieve logging events through an XML interface The following sections describe logging and the basic commands used to log messages in Cisco IOS XR software e Logging Locations and Sev
125. label test comment This is a test RP 0 RSPO CPUO router admin config show configuration commit list detail 1 CommitId 2000000018 Label test Userld userl Line vtyl Client CLE Time 23 45 40 UTC Wed Dec 02 2008 Comment This is a test Configuration files are stored on the same flash disk as the boot image Access these configurations only through the CLI commands for configuration management history and rollback Direct modification or deletion of these files can result in lost router configurations Reloading a Failed Configuration If the router displays a configuration failure message when you attempt to commit a configuration change the configuration changes are not lost While you remain in global configuration mode or administration configuration mode you can load the configuration changes into the target configuration correct the errors and commit the changes To load a failed configuration go to global configuration or administration configuration mode and type the load configuration failed commit command as shown in the following example RP 0 0 CPU0 router config load configuration failed commit RP 0 0 CPU0 router config show configuration Building configuration taskgroup alr end Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 3 Configuring General Router Features Managing Configuration Sessions Mi FINAL DRAFT Cisco Confi
126. le character patterns remove the special meaning by preceding each character with a backslash In the following examples single character patterns matching a dollar sign an underscore and a plus sign respectively are shown WA W Character Pattern Ranges A range of single character patterns can be used to match command output To specify a range of single character patterns enclose the single character patterns in square brackets Only one of these characters must exist in the string for pattern matching to succeed For example aeiou matches any one of the five vowels of the lowercase alphabet while abcd ABCD matches any one of the first four letters of the lowercase or uppercase alphabet Simplify a range of characters by entering only the endpoints of the range separated by a dash as in the following example a dA D To add a dash as a single character pattern in the search range include another dash and precede it with a backslash a dA D A bracket can also be included as a single character pattern in the range a dA D Invert the matching of the range by including a caret at the start of the range The following example matches any letter except the ones listed a dqsv The following example matches anything except a right square bracket or the letter d Md Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 2 E OL 17502 01 Appendix A Underst
127. links when created e add links when created Conventions This document uses the following conventions Item Convention Commands and keywords boldface font Variable for which you supply values italic font Displayed session and system information screen font Commands and keywords you enter in an boldface screen font interactive environment Variables you enter in an interactive environment italic screen font Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide xin OL 17502 01 Preface amp FINAL DRAFT Cisco Confidential Item Convention Menu items and button names boldface font Menu navigation Option gt Network Preferences Note je Means reader take note Notes contain helpful suggestions or references to material not covered in the publication Tip A Means the following information will help you solve a problem The information in tips might not be troubleshooting or an action but contains useful information Caution Means reader be careful In this situation you might do something that could result in equipment damage or loss of data Obtaining Documentation and Submitting a Service Request For information on obtaining documentation submitting a service request and gathering additional information see the monthly What s New in Cisco Product Documentation which also lists all new and revised Cisco technical documentat
128. lity and allows for quick recovery from process or protocol failures with minimal disruption to customers or traffic e State checkpointing You can maintain a memory and critical operating state across process restarts in order to sustain routing adjacencies and signaling state during a route switch processor RSP switchover e Ethernet virtual connections EVCs Ethernet services are supported using individual EVCs to carry traffic belonging to a specific service type or end user through the network You can use EVC based services in conjunction with MPLS based L2 VPNs and native IEEE bridging deployments Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 2 E OL 17502 01 Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router Flexible Ethernet Router Overview Mi FINAL DRAFT Cisco Confidential Flexible VLAN classification VLAN classification into Ethernet flow points EFPs includes single tagged VLANs double tagged VLANs QinQ and IEEE 802 1ad contiguous VLAN ranges and noncontiguous VLAN lists IEEE Bridging The software supports native bridging based on IEEE 802 1Q IEEE 802 1ad and QinQ VLAN encapsulation mechanisms on the router IEEE 802 1s Multiple Spanning Tree MST MST extends the IEEE 802 1w Rapid Spanning Tree Protocol MSTP to multiple spanning trees providing rapid convergence and load balancing MST Access Gateway This feature provides a resilient
129. lization amp Note Cisco IOS XR commands are generally case insensitive and typically all in lowercase Table 5 9 Keystrokes Used to Control Capitalization Keystrokes Purpose Esc C Makes the letter at the cursor uppercase Esc L Changes the word at the cursor to lowercase Esc U Makes letters from the cursor to the end of the word uppercase Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide oL 17502 01 a 5 19 Chapter5 CLI Tips Techniques and Shortcuts M Key Combinations FINAL DRAFT Cisco Confidential Keystrokes to Delete CLI Entries Table 5 10 describes the keystrokes used to delete command line entries Table 5 10 Keystrokes for Deleting Entries Keystrokes Deletes Delete or Backspace The character to the left of the cursor Ctrl D The character at the cursor Ctrl K All characters from the cursor to the end of the command line Ctrl U or Ctrl X All characters from the cursor to the beginning of the command line Ctrl W The word to the left of the cursor Esc D From the cursor to the end of the word Transposing Mistyped Characters To transpose mistyped characters use the Ctrl T key combination Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 CHAPTER Troubleshooting the Cisco IOS XR Software This chapter offers tools and procedures that identify the source of hardware and
130. lnet server is disabled by default and can be enabled with the telnet ipv4 server command in global configuration mode e Secure Shell SSH clients can connect to an SSH server in the router The SSH server is disabled by default and can be enabled with the ssh server command in global configuration mode The SSH server handles both Secure Shell Version 1 SSHv1 and SSHv2 incoming client connections for IPv4 address families To start a Telnet network connection you start the Telnet client software with a command similar to the following telnet ManagementEthernetInterfacelPaddress For specific instructions on connecting to the router through a Telnet or SSH client see the instructions for that software Ask your system administrator for the IP address of the Management Ethernet interface When the Telnet session is established the router prompts you to log in as described in the Logging In to a Router section on page 3 5 Logging In to a Router The login process can require users to enter a password or a username and password before accessing the router CLI The user groups to which your username is assigned determine which commands you can use Once you log in to the router you can manage the entire router When you log in the username and password may be validated by any of the following services e Usernames configured on the router username command in global configuration mode e Root system usernames that are config
131. ltiprotocol Label Switching MPLS configuration including the commands used to display and change the limits Table 4 9 Limit Description Default Absolute Maximum Limit MPLS Configuration Limits and Commands Global Configuration Mode Configuration Command Show Current Settings Command EXEC Mode Maximun traffic engineer TE tunnels head 2500 65536 mpls traffic eng maximum tunnels n show mpls traffic eng maximum tunnels Other Configuration Limits Table 4 10 summarizes the maximum limits for additional configuration limits including the commands used to display and change the limits Table 4 10 Additional Configuration Limits and Commands Default Absolute Show Current Settings Maximum Maximum Configuration Command Command Limit Description Limit Limit Global Configuration Mode EXEC Mode IPv4 ACL 5000 16000 ipv4 access list maximum show access lists ipv4 access list and prefix list acl threshold n max mum IPv4 ACE 200 000 350 000 ipv4 access list maximum show access lists ipv4 access list and prefix list ace threshold n maximum 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide E Chapter4 Configuring Additional Router Features M Configuration Limiting FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide M426 E OL 17502 01 co Conf
132. ly Entered Commands The Cisco IOS XR software records the ten most recent commands issued from the command line in its history buffer This feature is particularly useful for recalling long or complex commands or entries including access lists To display commands from the history buffer type the show history command as follows RP 0 RSPO CPU0 router show history show configuration history commit show configuration commit list sho config commit changes 1000000001 show history Recalling Previously Entered Commands The Cisco IOS XR software records the ten most recent commands issued from the command line in its history buffer This feature is particularly useful for recalling long or complex commands or entries including access lists To recall commands from the history buffer use one of the commands or key combinations listed in Table 5 6 OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter5 CLI Tips Techniques and Shortcuts M Key Combinations FINAL DRAFT Cisco Confidential Table 5 6 Command History Command or Key Combination Purpose Ctrl P or the up arrow key Recalls commands in the history buffer beginning with the most recent command Repeat the key sequence to recall successively older commands Ctrl N or the down arrow key Returns to more recent commands in the history buffer after recalling commands with Ctrl P or the up arrow key Repeat the k
133. m A card module is also called a node When a node is working properly the status of the node in the State column is IOS XR RUN Use the show platform node id command to display information for a specific node Replace node id with a node name from the show platform command Node column Note To view the status of all cards and modules the show platform command must be executed in administration EXEC mode exit Example RP O RSPO CPU0O router exit Exits the EXEC mode OL 17502 01 Chapter2 Bringing Up Cisco 10S XR Software on the Router Verifying the System After Initial Boot Mi FINAL DRAFT Cisco Confidential Command or Action Purpose Step5 show redundancy Displays the state of the primary active and standby inactive RPs including the ability of the standby to take control of the tem Example epee RP 0 RSPO CPU0 router show redundancy e If both RPs are working correctly one node displays active role the Partner node row displays standby role and the Standby node row displays Ready Step6 show environment Displays information about the hardware attributes and status Example RP 0 RSPO CPU0 router show environment Examples of show Commands The following sections provide examples of show commands e show version Command Example page 2 5 e show platform Command Example page 2 6 e show redundancy Command Example page 2 6 e show environment Command Example page 2 7 sh
134. m infrastructure protection Cisco IOS XR Software provides a microkernel architecture that forces all but the most critical functions such as memory management and thread distribution outside of the kernel thereby preventing failures in applications file systems and even device drivers from causing widespread service disruption e Process and thread protection Each process even individual process threads is executed in its own protected memory space and communications between processes are accomplished through well defined secure and version controlled application programming interfaces APIs significantly minimizing the effect that any process failure can have on other processes e Cisco In Service Software Upgrade ISSU Cisco IOS XR Software modularity sustains system availability during installation of a software upgrade ISSUs or hitless software upgrades HSUs allow you to upgrade most Cisco router software features without affecting deployed services You can target particular system components for upgrades based on software packages or composites that group selected features Cisco preconfigures and tests these packages and composites to help ensure system compatibility e Process restart You can restart critical control plane processes both manually and automatically in response to a process failure versus restarting the entire operating system This feature supports the Cisco IOS XR Software goal of continuous system availabi
135. me command RP O0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config template jbtest RP 0O RSPO CPUO router config TPL hostname test RP 0O RSPO CPUO router config TPL end template RP 0O RSPO CPUO router config commit RP 0O RSPO CPUO router config show running config template jbtest template jbtest hostname test end template In the next example a template is defined and the template requires a parameter The template contents are then displayed with the show running config template template name command RP O0 RSPO CPU0 router configure RP 0O RSPO CPUO router config template test2 hostname RP O RSPO CPUO router config TPL hostname hostname RP 0O RSPO CPUO router config TPL end template RP 0O RSPO CPUO router config commit RP 0O RSPO CPUO router config show running config template test2 template test2 hostname hostname Shostname end template Applying Configuration Templates To apply a template type the apply template template name parameter command in global configuration mode and consider the following guidelines e Only one template can by applied at a time e If the same template is applied multiple times the most recent application overwrites the previous ones e Provide the exact number of parameters for the template e Templates are applied as a best effort operation only valid changes are committed If any command in the templa
136. minal server e Replace access server address with the IP address of the terminal server and replace port with the terminal server port number that connects to the target RSP Console port Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide P34 E OL 17502 01 Chapter3 Configuring General Router Features Logging In to a Router Mi FINAL DRAFT Cisco Confidential Command or Action Purpose Step6 Press Enter Optional Initiates communications with the RSP e If no text or router prompt appears when you start the Telnet session press Enter e The router displays the prompt username Step7 Log in to the router Establishes your access rights for the router management session Type a username and password when prompted Connecting Through the Management Ethernet Interface The Management Ethernet interface allows you to manage the router using a network connection Before using the Management Ethernet interface configure it as described in the Configuring the Management Ethernet Interface section on page 3 35 Once configured the network connection takes place between client software on a workstation computer and a server process within the router The type of client software you use depends on the server process you want to use The Cisco IOS XR Software supports the following client and server services e Telnet clients can connect to a Telnet server in the router The Te
137. mmand or Action Purpose Step1 configure Enters global configuration mode Example RP 0 RSPO CPU0 router configure Step2 domain name domain name of organization Defines a default domain name used to complete unqualified hostnames Example RP 0 RSPO CPUO router config domain name cisco com Step3 domain name server ipv4 address Specifies the address of a name server to use for name and address resolution hosts that supply name information Example Note You can enter up to six addresses but only one for RP O RSPO CPUO router config domain each command name server 192 168 1 111 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 2 E OL 17502 01 Chapter4 Configuring Additional Router Features Configuring Telnet and XML Host Services Mi FINAL DRAFT Cisco Confidential Command or Action Purpose Step4 end Saves configuration changes or commit e When you issue the end command the system prompts you to commit changes Uncommitted changes found commit them before Example oa exiting yes no cancel RP 0O RSPO CPUO router config end e cancel RP 0 RSPO CPUO router config commit i i 3 Entering yes saves configuration changes to the running configuration file exits the configuration session and returns the router to EXEC mode Entering no exits the configuration session and returns the router to EXEC mode without committing the con
138. n 3 25 Viewing Configuration Error Messages and Descriptions 3 26 Viewing Configuration Error Messages Without Descriptions 3 26 Viewing Configuration Error Messages Produced While Loading a Configuration 3 26 Saving the Target Configuration to a File 3 26 Loading the Target Configuration from a File 3 27 Loading an Alternative Configuration at System Startup 3 27 Clearing All Changes to a Target Configuration 3 27 Committing Changes to the Running Configuration 3 28 Examples 3 29 Reloading a Failed Configuration 3 30 Exiting a Configuration Submode 3 31 Returning Directly to Configuration Mode from a Submode 3 31 Ending a Configuration Session 3 31 Aborting a Configuration Session 3 32 Configuring the RSP Hostname 3 32 Configuring the Management Ethernet Interface 3 33 Specifying the Management Ethernet Interface Name in CLI Commands 3 33 Viewing the Available Management Ethernet Interfaces 3 34 Configuring the Management Ethernet Interface 3 35 Prerequisites 3 35 Examples 3 37 Related Documents 3 38 Manually Setting the Router Clock 3 38 Examples 3 39 Related Documents 3 40 Where to Go Next 3 40 CHAPTER 4 Contents 4 1 Configuring the Domain Name and Domain Name Server 4 1 Examples 4 3 Configuring Telnet and XML Host Services 4 3 Prerequisites 4 4 Examples 4 5 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 E E Contents FINAL DRAFT Cisco Confidential Managing Configuration Histo
139. nd ports the ability to configure multiple ports quickly using templates can greatly reduce the time it takes to configure interfaces The two primary steps in working with templates are creating templates and applying templates The following procedure describes how to create a configuration template SUMMARY STEPS 1 configure template template name parameter parameter config commands Type the template commands end template commit a e VN show running config template template name Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide I OL 17502 01 EJ Chapter5 CLI Tips Techniques and Shortcuts MM Wildcards Templates and Aliases FINAL DRAFT Cisco Confidential DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 E Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Command or Action Purpose configure Example Router configure Enters global configuration mode template template name parameter parameter config commands Example RP 0 RSPO CPUO router config template tmplt_1 Enters template configuration mode and creates a template e template name Unique name for the template to be applied to the running configuration e parameter Optional Actual values of the variables specified in the template definition Up to five parameters can be specified within parentheses Each parameter mu
140. nderstanding Regular Expressions Special Characters and Patterns A 1 Contents A 1 Regular Expressions A 1 Special Characters A 2 Character Pattern Ranges A 2 Multiple Character Patterns A 3 6 5 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Contents Mi FINAL DRAFT Cisco Confidential Complex Regular Expressions Using Multipliers A 3 Pattern Alternation A 4 Anchor Characters A 4 Underscore Wildcard A 4 Parentheses Used for Pattern Recall A 4 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide oL 17502 01 7 E Contents FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 o dies Preface This guide introduces the Cisco ASR 9000 Series Aggregation Services Router that runs Cisco IOS XR Software This guide also describes administration maintenance and troubleshooting tasks that may be required after initially starting the router This preface contains the following sections e Changes to This Document page vii e About This Document page vii e Obtaining Documentation and Submitting a Service Request page ix Changes to This Document Table 1 lists technical changes made to this document since it was first released Table 1 Changes to This Document Revision Date Change Summary OL 17502 01 March 2009 Initial release of this document Abou
141. nds several probes at each TTL level and displays the round trip time for each The traceroute command sends one probe at a time Each outgoing packet may result in one or two error messages A time exceeded error message indicates that an intermediate router has seen and discarded the probe A destination unreachable error message indicates that the destination node has received the probe and discarded it because it could not deliver the packet If the timer times out before a response comes in the traceroute command prints an asterisk The traceroute command terminates when the destination responds the maximum TTL is exceeded or the user interrupts the trace with the escape sequence In the following example the route for an IP address appears RP 0 RSPO CPUO router traceroute 10 233 233 233 Type escape sequence to abort Tracing the route to 10 233 233 233 1 172 25 0 2 11 msec 2 msec 1 msec 2 192 255 254 254 1 msec 2 msec Using debug Commands A Debug commands are used to diagnose and resolve network problems Use debug commands to troubleshoot specific problems or during troubleshooting sessions Use debug commands to turn on or off debugging for a specific service or subsystem When debugging is turned on for a service a debug message is generated each time the debugging code section is entered The following sections provide information on debugging e Viewing a List of Debug Features page 6 4 e Enabling Debu
142. nfiguration of the router as described in the Configuring the RSP Hostname section on page 3 32 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide HE OL 17502 01 Chapter 3 Configuring General Router Features Logging In to a Router Mi FINAL DRAFT Cisco Confidential For example the following prompt indicates that the CLI commands are executed on the RP in rack 0 slot RSPO by the CPUO module on a router named router RP 0 RSPO CPUO router User Access Privileges When you log in to the router your username and password are used to determine if you are authorized to access the router After you successfully log in your username is used to determine which commands you are allowed to use The following sections provide information on how the router determines which commands you can use e User Groups Task Groups and Task IDs page 3 7 e Predefined User Groups page 3 8 e Viewing Your User Groups and Task IDs page 3 8 User Groups Task Groups and Task IDs The Cisco IOS XR software ensures security by combining tasks a user wants to perform task IDs into groups defining which router configuration and management functions users can perform This policy is enabled by the definition of e User groups A collection of users that share similar authorization rights on a router e Task groups Defined by a collection of task IDs for each class of action e Task IDs
143. nfiguration to a file type the save configuration device command Replace the device argument with the name of the device on which you want to store the file for example disk0 After you enter this command the router prompts you to enter a filename If you enter only a filename the file is stored in the root directory of the device To store the file in a directory type the directory path and filename when prompted We recommend that you specify the cfg file extension for easy identification This suffix is not required but it can help locate target configuration files Example myconfig cfg The following example shows a target configuration file saved to the usr cisco directory of disk0 RP 0 RSP1 CPUO router admin config save configuration disk0 Destination file name control c to abort running config usr cisco test cfg Building configuration 1 lines built in 1 second OK Note You can also save a configuration to a file using the show configuration file filename command Loading the Target Configuration from a File To populate the target configuration with the contents of a previously saved configuration file go to global configuration or administration configuration mode and type the load filename command Consider the following when entering the filename argument e The filename argument specifies the configuration file to be loaded into the target configuration e Ifthe full path of the file is not
144. ng memory usage normally means removing configurations but a user can also add configurations that reduce memory usage For example configuring the shutdown command on an interface could cause numerous routes to be purged from the Routing Information Base RIB and Forwarding Information Base FIB configurations Caution The commit force command should be used only to apply configurations that reduce memory usage Adding configurations that increase memory usage could result in serious loss of router operation Viewing System Memory Information To display a high level summary of system memory type the show memory summary command describes the meaning of each heading RP 0 RSPO CPU0 router show memory summary Physical Memory 2048M total Application Memory 1787M 1509M available Image 132M bootram 132M Reserved 128M IOMem 0 flashfsys 0 Total shared window 0 RP 0 RSP1 CPU0 router To display general memory usage for the device as a whole and by process type the show memory command describes the meaning of each heading RP 0 RSPO CPU0 router show memory Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide lt OL 17502 01 Chapter 6 Troubleshooting the Cisco IOS XR Software Memory Warnings in Configuration Sessions Mi FINAL DRAFT Cisco Confidential Physical Memory Application Memory Image 132M bootram Reserved 128M Total shared window kernel jid
145. ng to the Cisco ASR 9000 Series Aggregation Services Router Where to Go Next Mi FINAL DRAFT Cisco Confidential Command or Action Purpose Step5 Log in to the router Establishes your access rights for the router management session e Type the root system username and password or the username and password provided by your system administrator e After you log in the router displays the CLI prompt which is described in the CLI Prompt section on page 3 6 Step6 admin Places the router in administration EXEC mode Example RP 0O RSPO CPU0 router admin Step7 show dsc Displays the RSP information for the router so that you can verify that you have connected successfully to the console Example port RP 0 RSPO CPU0 RO A admin sh dsc NODE ROLE O RSPO CPUO DSC O RSP1 CPUO Backup DSC RP 0 RSPO CPUO RO A admin Configuring Gigabit Ethernet and 10 Gigabit Ethernet Interfaces After connecting to the router you need to configure Gigabit Ethernet and Ten Gigabit Ethernet interfaces manually Because these interfaces are for data traffic only not management traffic you cannot use SSH or Telnet to an IP address that is part of the Gigabit Ethernet and 10 Gigabit Ethernet interfaces Where to Go Next Once you have logged into the router you are ready to perform general router configuration as described in Chapter 3 Configuring General Router Features Cisco ASR 9000 Series Aggregation Ser
146. ning Groups page 4 17 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide jg Chapter4 Configuring Additional Router Features M Creating and Modifying User Accounts and User Groups FINAL DRAFT Cisco Confidential Ss Note The management of user accounts user groups and task IDs is part of the uthentication authorization and accounting AAA feature AAA is a suite of security features in the Cisco IOS XR software For more information on the AAA see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide and Cisco ASR 9000 Series Aggregation Services Router System Security Command Reference For instructions to activate software packages see Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide Viewing Details About User Accounts User Groups and Task IDs Table 4 3 summarizes the EXEC mode commands used to display details about user accounts user groups and task IDs Table 4 3 Commands to Display Details About Users and User Groups Command Description show aaa userdb username Displays the task IDs and privileges assigned to a specific username To display all users on the system type the command without a username show aaa usergroup usergroup name Displays the task IDs and privileges that belong to a user group To display all groups on the system type the command without a group name
147. nlet Hotspot Temperature Temperature deg C deg C 0 1 host 28 1 35 7 0 RSPO host 24 0 33 5 0 4 host 26 7 35 0 0 6 host 30 0 39 1 The following example shows a router s LED status RP 0 RSPO CPUO routert show environment leds R S I Modules LED Status O RSPO host Critical Alarm 0 host Major Alarm 0 host Minor Alarm 0 host ACO 0 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide py Chapter2 Bringing Up Cisco 10S XR Software on the Router M Where to Go Next FINAL DRAFT Cisco Confidential Where to Go Next For information on configuring basic router features see Chapter 3 Configuring General Router Features Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide P28 W OL 17502 01 Contents CHAPTER Configuring General Router Features This chapter describes how to communicate with the router using command line interface CLI This chapter also shows basic Cisco IOS XR Software configuration management e Connecting to and Communicating with the Router page 3 1 e Logging In to a Router page 3 5 e Navigating Cisco IOS XR Software Command Modes page 3 11 e Managing Configuration Sessions page 3 16 e Configuring the Management Ethernet Interface page 3 33 e Manually Setting the Router Clock page 3 38 e Where to Go Next page 3 40 Connecting to and Communicating with the Router To use a router running C
148. nts 6 1 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Contents Mi E Contents FINAL DRAFT Cisco Confidential Additional Sources for Information 6 1 Basic Troubleshooting Commands 6 1 Using show Commands to Display System Status and Configuration 6 2 Using the ping Command 6 2 Examples 6 2 Using the traceroute Command 6 3 Examples 6 3 Using debug Commands 6 3 Viewing a List of Debug Features 6 4 Enabling Debugging for a Feature 6 4 Viewing Debugging Status 6 5 Disabling Debugging for a Service 6 5 Disabling Debugging for All Services Started at the Active Terminal Session Disabling Debugging for All Services Started at All Terminal Sessions 6 6 Configuration Error Messages 6 6 Configuration Failures During a Commit Operation 6 6 IConfiguration Errors at Startup 6 7 Memory Warnings in Configuration Sessions 6 7 Understanding Low Memory Warnings in Configuration Sessions 6 7 WARNING MEMORY IS IN MINOR STATE 6 8 ERROR MEMORY IS IN SEVERE or CRITICAL STATE 6 8 Viewing System Memory Information 6 8 Removing Configurations to Resolve Low Memory Warnings 6 9 Clearing a Target Configuration 6 10 Removing Committed Configurations to Free System Memory 6 10 Rolling Back to a Previously Committed Configuration 6 10 Clearing Configuration Sessions 6 11 Contacting TAC for Additional Assistance 6 11 Interfaces Not Coming Up 6 11 Verifying System Interfaces 6 12 APPENDIX A U
149. o ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features HZ Logging In to a Router FINAL DRAFT Cisco Confidential Predefined User Groups Cisco IOS XR Software includes a set of predefined user groups that meets the needs of most organizations These groups are described in Table 3 2 Table 3 2 Predefined User Group Descriptions User Group Privileges root system Display and execute all commands for all RPs in the system root Ir Display and execute all commands within a single RP sysadmin Perform system administration tasks for the router such as maintaining where the core dumps are stored or setting up the Network Time Protocol NTP clock netadmin Configure network protocols like Open Shortest Path First OSPF usually used by network administrators operator Perform day to day monitoring activities and have limited configuration rights cisco support Debug and troubleshoot features usually used by Cisco Technical Support personnel For information on configuring user groups see Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide Viewing Your User Groups and Task IDs Examples To view user groups and task IDs associated with your account enter show user in EXEC mode Table 3 3 summarizes this command s options Table 3 3 Account Information Options Command Desc
150. o a network for remote management using a Telnet client the Simple Network Management Protocol SNMP or other management agents The following sections provide information on the Management Ethernet interface e Specifying the Management Ethernet Interface Name in CLI Commands page 3 33 e Viewing the Available Management Ethernet Interfaces page 3 34 e Configuring the Management Ethernet Interface page 3 35 Specifying the Management Ethernet Interface Name in CLI Commands Before you can configure the Management Ethernet interface you must know the Management Ethernet interface name which is defined using the following syntax typerack slot module port Table 3 6 describes the Management Ethernet interface name syntax Table 3 6 Management Ethernet Interface Name Syntax Description Syntax Components Description type Interface type for a Management Ethernet port is MgmtEth rack Chassis number of the rack In a single shelf system the rack is always Es slot Physical slot of the RSP on which the interface is located For a Cisco ASR 9000 Series router the RSP slot is RSPO or RSP1 module On an RSP the module is CPUO RSPs have two processors so the module is either CPUO and CPU1 port On a Cisco ASR 9000 Series router one Ethernet port labeled MGMT ETH exists on each RSP Specify 0 for the MGMT ETH interface on an RSP Table 3 7 provides examples of Management Ethernet
151. ode alias alias name parameterl parameter2 command syntax parameter1 command syntax parameter2 Table 5 5 defines the alias command syntax Table 5 5 alias Command Syntax Syntax Specifies that the Alias Is Created for alias name Name of the command alias An alias name can be a single word or multiple words joined by a dash command syntax Original command syntax Valid abbreviations of the original command syntax can be entered for the command syntax argument parameterx Argument or keyword that belongs to the command you specified for the command syntax argument When the parameter is entered in parenthesis after the alias name the alias requires a parameter name To associate the parameter with a command within the alias type the character preceding the parameter name Multiple commands can be supported under a single command alias and multiple variables can be supported for each command If multiple commands are specified under a single alias then each command is executed in the order in which it is listed in the alias command In the following example an alias named my cookie is created for the Management Ethernet interface and then the new alias is specified to enter interface configuration mode RP 0 RSPO CPU0 router config alias my cookie mgmtEth 0 0 CPUO O RP 0 RSPO CPUO router config interface my cookie RP 0 RSPO CPUO router config interface mgmtEth 0 0 CPUO O RP 0
152. om Administration Configuration Mode Example page 3 30 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 E Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential Committing a Configuration from Global Configuration Mode Example Ss In the following example the default commit command is entered in global configuration mode RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 0 0 Aug cisco Use 6 09 26 17 781 router configure router config interface Gi 0 0 0 2 router config if description faq router config if ipv4 address 10 1 1 1 255 0 0 0 router config if commit SLIBTARCFG 6 COMMIT Configuration committed by user show configuration commit changes 1000000124 to view the changes Note The preceding message is stored in the log and displays only if logging is configured to display on screen Committing a Configuration from Administration Configuration Mode Example Ss Note In the next example the commit command is entered with the label and comment options in administration configuration mode RP 0 RSPO CPUO routert admin RP 0 RSPO CPUO router admin configure RP 0 RSPO CPUO router admin config sdr test RP 0 RSPO CPUO router admin config sdr test location 0 1 primary RP 0 RSPO CPUO router admin config sdr test commit
153. on Services Router Getting Started Guide a E OL 17502 01 Chapter 5 CLI Tips Techniques and Shortcuts Viewing System Information with show Commands Mi FINAL DRAFT Cisco Confidential The Cisco IOS XR software command reference publications provide the complete syntax for the configuration commands and describe what the no form of a command does See the Related Documents section on page viii for more information Editing Command Lines that Wrap The CLI provides a wraparound feature for commands that extend beyond a single line on the screen When the cursor reaches the right margin the command line shifts ten spaces to the left The first ten characters of the line are not shown but it is possible to scroll back and check the syntax at the beginning of the command To scroll back press Ctrl B or the left arrow key repeatedly or press Ctrl A to return directly to the beginning of the line In the following example the ipv4 access list command entry is too long to display on one line When the cursor reaches the end of the line the line is shifted to the left and redisplayed The dollar sign after the command prompt indicates that the line has been scrolled to the left and the beginning of the command is hidden RP 0 RSPO CPU0 router config s list 101 permit tcp 172 31 134 5 255 255 255 0 172 31 135 0 In the next example Ctrl A is used to display the beginning of the command line and the dollar sign at the
154. onfiguration type the commit command by itself or with one or more of the options described in Table 3 5 Table 3 5 Commit Command Options Command Description commit Default Merges the target configuration with the running configuration and commits changes only if all changes in the target configuration pass the semantic verification process If any semantic errors are found none of the configuration changes takes effect commit best effort Merges the target configuration with the running configuration and commits only valid changes best effort Some configuration changes might fail due to semantic errors Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter3 Configuring General Router Features Managing Configuration Sessions FINAL DRAFT Cisco Confidential Table 3 5 Commit Command Options continued Command Description commit comment line Optional Assigns a comment to a commit e This text comment appears in the commit entry displayed with the show configuration commit list detail command e The line argument is the text for the optional comment or label e The comment option must appear at the end of the command line If multiple options are entered all text after the comment option is treated as a comment commit confirmed seconds Optional Commits the configuration in global configuration mode on a trial basis for a minimum o
155. onfiguration mode and type the load rollback changes to commitld command RP 0 RSPO CPUO router config load rollback changes to 1000000068 Building configuration Loading 233 bytes parsed in 1 sec 231 bytes sec To load rollback configuration changes from the current configuration to a specified number of previous sessions go to global configuration or administration configuration mode and type the load rollback changes last commit range command RP 0 RSPO CPU0 router config load rollback changes last 6 Building configuration Loading 221 bytes parsed in 1 sec 220 bytes sec In the preceding example the command loads the rollback configuration changes for the last six commitIDs To load the rollback configuration for a specific commitID go to global configuration or administration configuration mode and type the load rollback changes commitld command RP 0 RSPO CPU0 router config load rollback changes 1000000060 Building configuration Loading 199 bytes parsed in 1 sec 198 bytes sec Deleting CommitlDs You can delete the oldest configuration commitIDs by entering the clear configuration commit command in EXEC or administration EXEC mode The clear configuration commit command must be followed by either the amount of disk space you want to reclaim or number of commitIDs you want to delete To reclaim disk space from the oldest commitIDs type the clear configuration commit command followed by the keyword dis
156. onfigure RP 0 RPO CPUO router config taskgroup alr RP 0 RPO CPUO router config tg description this is an example of an invalid task group RP 0O RPO CPUO router config tg commit o Failed to commit one or more configuration items Please use show configuration failed to view the errors To display the configuration items that failed including a description of the error type the show configuration failed command P 0 RSP0 CPU0 router config tg show configuration failed CONFIGURATION FAILED DUE TO SEMANTIC ERRORS Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide co E OL 17502 01 Chapter6 Troubleshooting the Cisco 10S XR Software Memory Warnings in Configuration Sessions W FINAL DRAFT Cisco Confidential taskgroup alr 11 Usergroup Taskgroup names cannot be taskid names You can also display the failed configuration items without the error description by entering the show configuration failed noerror command CONFIGURATION FAILED DUE TO SEMANTIC ERRORS taskgroup alr Configuration Errors at Startup Configuration errors that occurred during system startup can be displayed with the show configuration failed startup command For example RP 0 RSPO CPUO routert show configuration failed startup CONFIGURATION FAILED DUE TO SYNTAX ERRORS ntp http server Memory Warnings in Configuration Sessions The Cisco IOS XR software automatically monit
157. onsole port e The router Console port is designed for a serial cable connection to a terminal or a computer that is running a terminal emulation program e The terminal settings are Bits per second 115200 Data bits 8 Parity None Stop bit 2 Flow control None e For information on the cable requirements for the Console port see the hardware documentation listed in the Related Documents section on page viii Step3 Start the terminal emulation program Optional Prepares a computer for router communications e The step is not required if you are connecting through a terminal e Terminals send keystrokes to and receive characters from another device If you connect a computer to the Console port you must use a terminal emulation program to communicate with the router For instructions on using the terminal emulation program see the documentation for that program Step4 Press Enter Initiates communication with the router e Ifno text or router prompt appears when you connect to the console port press Enter to initiate communications e Ifno text appears when you press Enter give the router more time to complete the initial boot procedure then press Enter e Ifthe prompt gets lost among display messages press Enter again e The router displays the prompt Username Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 112 E OL 17502 01 Chapter1 Introduci
158. ors and manages the system resources in a router Under normal operating conditions memory problems should not occur When a low memory issue does occur it is often in the form of a low memory warning during a configuration session Low memory conditions can be caused by multiple large configurations being added to the router at a single time Users can remove the source of a problem by removing configurations The following sections describe the commands used to display memory usage in a router and what to do if a low memory warning appears e Understanding Low Memory Warnings in Configuration Sessions page 6 7 e Viewing System Memory Information page 6 8 e Removing Configurations to Resolve Low Memory Warnings page 6 9 e Contacting TAC for Additional Assistance page 6 11 Understanding Low Memory Warnings in Configuration Sessions The Cisco IOS XR software monitors memory usage in the Cisco CRS 1 router If system memory becomes low an error message appears when you attempt to enter configuration mode An out of memory error message appears during one of the following situations e When a user attempts to enter configuration mode e During a configuration session when the memory shortage occurs e When a user attempts to load a target configuration from a large file that results in a memory shortage 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter6 Troubleshooting th
159. outer is designed for the redundancy high security and availability packaging power and other requirements needed by service providers The router aggregates triple play and Ethernet service traffic from Gigabit Ethernet devices aggregating these services to 10 Gigabit Ethernet IP MPLS edge or core The following sections describe the features and capabilities in detail e Cisco IOS XR Software page 1 2 e Flexible Ethernet page 1 3 e L2VPN page 1 4 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router HZ Router Overview FINAL DRAFT Cisco Confidential e Multicast page 1 4 e OAM page 1 4 e Layer 3 routing page 1 5 e QoS page 1 5 e MPLS TE page 1 5 e Manageability page 1 8 e Security page 1 9 e Command Line Interface page 1 10 e Extensible Markup Language API page 1 10 e Simple Network Management Protocol page 1 10 Cisco 10S XR Software The router runs Cisco IOS XR Software this offers the following e Modular software design Cisco IOS XR Software represents a continuation of the Cisco networking leadership in helping customers realize the power of their networks and the Internet It provides unprecedented routing system scalability high availability service isolation and manageability to meet the mission critical requirements of next generation networks e Operating syste
160. ow version Command Example To view basic information about the router configuration type the show version command in EXEC mode as shown in the following example RP 0 RSPO CPU0 router show version Cisco IOS XR Software Version 3 7 2 10I FCI_DT_IMAGE Copyright c 2008 by Cisco Systems Inc ROM System Bootstrap Version 0 63 20081010 215422 ASR9K ROMMON router uptime is 1 week 1 day 10 hours 31 minutes System image file is bootflash disk0 asr9k os mbi 3 7 2 101 mbiasr9k rp vm cisco ASR9K Series MPC8641D processor with 4194304K bytes of memory MPC8641D processor at 1333MHz Revision 2 2 40 GigabitEthernet IEEE 802 3 interface s 2 Ethernet IEEE 802 3 interface s 12 TenGigabitEthernet IEEE 802 3 interface s 219k bytes of non volatile configuration memory 975M bytes of compact flash card 33994M bytes of hard disk 1605616k bytes of disk0 Sector size 512 bytes 1605616k bytes of disk1 Sector size 512 bytes Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EJ Chapter2 Bringing Up Cisco 10S XR Software on the Router W Verifying the System After Initial Boot FINAL DRAFT Cisco Confidential Configuration register on node O RSPO CPUO is 0x2 Boot device on node O RSPO CPUO is disk0 More show platform Command Example The show platform command displays information on router resources In EXEC mode the show pla
161. ps Techniques and Shortcuts For more CLI procedures like hardware interface and software protocol management tasks see the Cisco IOS XR Software documents listed in Related Documents section on page viii Extensible Markup Language API The Extensible Markup Language XML application programming interface API is an XML interface used for rapid development of client applications and perl scripts to manage and monitor the router Client applications can configure the router or request status information from the router by encoding a request in XML API tags and sending it to the router The router processes the request and sends the response to the client in the form of encoded XML API tags The XML API supports readily available transport layers including Telnet Secure Shell SSH and Secure Socket Layer SSL transport For more information see the Cisco IOS XR Software documents listed in the Related Documents section on page viii Simple Network Management Protocol Simple Network Management Protocol SNMP is an application layer protocol that facilitates management information exchange between network devices By using SNMP transported data such as packets per second and network error rates network administrators can manage network performance find and solve network problems and plan for network growth The Cisco IOS XR Software supports SNMP v1 v2c and v3 SNMP is part of a larger architecture called the Intern
162. rform router tasks Command Line Interface The CLI is a user interface for monitoring and maintaining the router and also for configuring basic router features Simple Network Management Protocol SNMP is an application layer protocol that facilitates management information exchange between network devices MIBs Management Information Bases are databases of objects that can be managed on a device MIBs include the following IP MIB RFC4293 CISCO BULK FILE MIB CISCO CONFIG COPY MIB CISCO CONFIG MAN MIB CISCO ENHANCED IMAGE MIB CISCO ENHANCED MEMORY POOL MIB CISCO ENTITY FRU CONTROL MIB CISCO ENTITY SENSOR MIB ENTITY MIB CISCO ENTITY ASSET MIB ENTITY STATE MIB ENTITY SENSOR MIB CISCO ENTITY ALARM MIB CISCO FLASH MIB CISCO IF EXTENSION MIB CISCO MEMORY POOL MIB CISCO RF MIB 1 1 RP Card CISCO S YSLOG MIB EVENT MIB IF MIB as well as RFC1213 MIB SNMP COMMUNITY MIB SNMP FRAMEWORK MIB SNMP NOTIFICATION MIB SNMP TARGET MIB IPv6 MIB BRIDGE MIB DOT3 OAM MIB CISCO IETF PW MIB CISCO CLASS BASED QOS MIB ETHERLIKE MIB BGP4 MIB Including Cisco extensions MPLS TE STD MIB TE FRR MIB and CISCO IETF IPMROUTE MIB IEEE 8021 CFM MIB DOT3 OAM MIB Trivial File Transfer Protocol TFTP allows files to be transferred from one computer to another over a network usually without the use of client authentication for example username and password Network Time Protocol NTP synchronizes timekeeping among a set of distributed tim
163. ription show user Displays your user name show user tasks Displays the task IDs assigned to your account show user group Displays the user groups assigned to your account show user all Displays all user groups and task ID information for your account show aaa usergroup group name Displays the task IDs assigned to a user group The following examples illustrate how to view user privileges e show user Command Example page 3 9 e show user tasks Command Example page 3 9 e show user group Command Example page 3 9 e show user all Command Example page 3 9 e show aaa usergroup Command Example page 3 10 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 3 Configuring General Router Features show user Command Example To view your username type the show user command RP 0 RSPO CPUO routert show user cisco show user tasks Command Example FINAL DRAFT Cisco Confidential Logging In to a Router To view the tasks assigned to your account and your rights to those tasks type the show user tasks command RP 0 RSPO CPUO routert show user tasks Tas Tas k k aaa acl admin ancp atm basic services bcal bfd bgp boot bundle cdp cef cisco support config mgmt config services crypto diag drivers dwdm eem eigrp ethernet services show user group Command Example show user all Command Example READ RE
164. rnet interface because you do not have the additional cost of a terminal server However if you need to perform tasks that require Console port access from a remote location a terminal server is the best method The procedure for connecting to the router through a terminal server is similar to the procedure for directly connecting through the Console port For both connection types the physical connection takes place through the Console port The difference is that the terminal server connects directly to the Console port and you must use a Telnet session to establish communications through the terminal server to the router To establish a connection through a terminal server perform the following procedure SUMMARY STEPS 1 Install and configure the terminal server Connect the terminal server to the Console port of the target RSP Power on the router Identify the target RSP telnet access server address port Press Enter N oo gt WY DN Log in to the router Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EZ Chapter3 Configuring General Router Features M Connecting to and Communicating with the Router FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step1 Install and configure the terminal Prepares the terminal server for communications with the router and with server Telnet clients e This step is usually preformed once e
165. rom all terminal sessions For example if you enter this command while connected to the router through the console port on the active RP all debug sessions started from all ports are disabled In the following example debugging for all services and ports is disabled and then verified RP 0 0 CPU0 router undebug all all tty RP 0 0 CPU0 router show debug No matching debug flags set Configuration Error Messages The following sections contain information on configuration error messages e Configuration Failures During a Commit Operation page 6 6 e Configuration Errors at Startup page 6 7 Configuration Failures During a Commit Operation A target configuration is added to the running configuration of a router when the commit command is entered During this operation the changes are automatically verified by the other components in the system If successful the configuration becomes part of the running configuration If some configuration items fail an error message is returned To display the configuration items that failed and see the cause of each failure type the show configuration failed command Note The show configuration failed command can be entered in either the EXEC mode or any configuration mode In any mode the configuration failures from the most recent commit operation are displayed In the following example a configuration error occurs when an invalid commit operation is attempted RP 0 RPO CPU0 router c
166. rted on command line interface with this limit superseded by the limit of characters that can be typed on the single line 1024 if the individual commands specified with pipes are long enough In addition if you want to give the Pipe character I as a pattern you must give it in double quotes For example RP 0 RP1 CPU0 single8 hfr show running config include gilospf file disk0 usr a log Show Parser Dump Enhancement Feature The show parser dump command displays the CLI syntax options for a specific submode It is a utility that dumps the parser commands supported on the router and a tool that displays line by line commands available in a submode The command is available in every mode and it shows the command set available for that mode This is a very handy tool for collecting the CLI commands for a mode The show parser dump command supports a filters Specify an initial portion of the command then matching commands display RP 0 RSP1 CPU0 router config un show parser dump show show configuration merge show configuration running sanitized desanitize rpl show configuration running sanitized show configuration running show configuration show configuration failed noerrors show configuration failed show configuration failed load show running config show running config sanitized desanitize rpl show running config sanitized show running config submode show parser dump show history detail show history pw
167. ry and Rollback 4 6 Viewing CommitlDs 4 7 Viewing Configuration Changes Recorded in a CommitID 4 7 Previewing Rollback Configuration Changes 4 8 Rolling Back the Configuration to a Specific Rollback Point 4 8 Rolling Back the Configuration over a Specified Number of Commits 4 9 Loading CommitlD Configuration Changes to the Target Configuration 4 9 Loading Rollback Configuration Changes to the Target Configuration Deleting CommitlDs 4 11 Configuring Logging and Logging Correlation 4 12 Logging Locations and Severity Levels 4 12 Alarm Logging Correlation 4 13 Configuring Basic Message Logging 4 13 Examples 4 14 Related Documents 4 15 Disabling Console Logging 4 15 Creating and Modifying User Accounts and User Groups 4 15 Viewing Details About User Accounts User Groups and Task IDs Configuring User Accounts 4 17 Creating Users and Assigning Groups 4 17 Related Documents 4 18 Configuring Software Entitlement 4 19 Configuration Limiting 4 19 Static Route Configuration Limits 4 20 Examples 4 20 IS IS Configuration Limits 4 20 Examples 4 20 OSPFv2 and v3 Configuration Limits 4 21 Examples 4 21 Routing Policy Language Line and Policy Limits 4 23 Examples 4 23 Multicast Configuration Limits 4 24 MPLS Configuration Limits 4 25 Other Configuration Limits 4 25 CHAPTER 5 Contents 5 1 CLI Tips and Shortcuts 5 1 Entering Abbreviated Commands 5 1 4 10 4 16 Cisco ASR 9000 Series Aggregation Services Router Getting Started Gu
168. ses the clock timezone command setting to translate that time to UTC The system internally keeps time in UTC When you type the show clock command the router displays the system time To manually set the router clock complete the following steps SUMMARY STEPS 1 configure clock timezone zone hours offset commit end clock set hh mm ss dd mm yyyy clock update calendar fF oF YN show clock Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter 3 Configuring General Router Features Manually Setting the Router Clock Mi FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step1 configure Enters global configuration mode Example RP 0 RSPO CPUO router configure Step2 clock timezone zone hours offset Sets the time zone for the router clock e The clock timezone command should be entered Example before the clock is set because it defines the difference RP 0 RSPO CPUO router config clock timezone between the system time and UTC pst 8 A F Note The system time is the time that appears when you type the show clock command e zone Name of the time zone to be displayed when standard time is in effect e hours offset Difference in hours from UTC Step3 commit Commits the target configuration to the running configuration Example RP 0 RSPO CPUO router config if commit Step4 end Ends the configuration
169. signed Shutdown Down gi0 1 0 7 unassigned Shutdown Down gi0 1 0 8 unassigned Shutdown Down gi0 1 0 9 unassigned Shutdown Down gi0 1 0 10 unassigned Shutdown Down gi0 1 0 11 unassigned Shutdown Down gi0 1 0 12 unassigned Shutdown Down gi0 1 0 13 unassigned Shutdown Down gi0 1 0 14 unassigned Shutdown Down gi0 1 0 15 unassigned Shutdown Down gi0 2 0 0 10 10 1 101 Up Up gi0 2 0 1 10 1 1 1 Up Up gi0 2 0 3 10 4152 Shutdown Down gid0 2 0 3 unassigned Shutdown Down TenGigE0 3 0 0 unassigned Shutdown Down TenGigE0 3 0 2 unassigned Shutdown Down MgmtEth0 RSPO CPUO O unassigned Shutdown Down If the interface is in the Shutdown Down state as shown in the previous example perform the following tasks a Verify that the status of the interface is Shutdown RP 0 RSPO CPU0 router show running config interface gi0 2 0 3 interface gi0 2 0 3 shutdown keepalive disable b Bring the interface up with the following commands RP 0 RSPO CPUO router config controller gi 0 2 0 3 RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO RP 0 RSPO CPUO router config sonet no shutdown router config sonet commit router config sonet exit router config interface gi 0 2 0 3 router config if no shutdown router config if commit Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide OL 17502 01 Chapter 6 Troubleshooting the Cisco 10S XR Software
170. skid names Viewing Configuration Error Messages Without Descriptions Configuration changes are automatically verified during the commit operation and a message appears if one or more configuration entries fail To display only the error message without a description for a failed configuration type the show configuration failed noerror command as shown in the following example RP 0 RSPO CPU0 router config tg show configuration failed noerror CONFIGURATION FAILED DUE TO SEMANTIC ERRORS taskgroup alr Note You can view configuration errors only during the current configuration session If you exit configuration mode after the commit operation the configuration error information is lost Viewing Configuration Error Messages Produced While Loading a Configuration To display any syntax errors found in a configuration loaded with the load command type the show configuration failed load command Saving the Target Configuration to a File Target configurations can be saved to a separate file without committing them to the running configuration Target configuration files can then be loaded at a later time and further modified or committed Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EZ OL 17502 01 Chapter 3 Configuring General Router Features Ss Managing Configuration Sessions Mi FINAL DRAFT Cisco Confidential To save the configuration changes in the target co
171. software problems This chapter also provides instructions on gathering data for further analysis by Cisco customer support Contents e Additional Sources for Information page 6 1 e Basic Troubleshooting Commands page 6 1 e Configuration Error Messages page 6 6 e Memory Warnings in Configuration Sessions page 6 7 e Interfaces Not Coming Up page 6 11 Additional Sources for Information For additional information on troubleshooting see the following sources e If the Cisco IOS XR Software does not start and display the EXEC mode prompt see Cisco ASR 9000 Series Aggregation Series Router ROM Monitor Guide e The Cisco Technical Assistance Center Cisco TAC home page containing 30 000 pages of searchable technical content including links to products technologies solutions technical tips and tools Registered Cisco com users can log in from this page to access even more content http www cisco com public support tac home shtml e The Related Documents section on page viii Basic Troubleshooting Commands The following sections describe some basic techniques used to determine connectivity to another device and display information on the configuration and operation of a router e Using show Commands to Display System Status and Configuration page 6 2 e Using the ping Command page 6 2 e Using the traceroute Command page 6 3 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 1750
172. specified the router attempts to load the file from the root directory on the device The following example shows a target configuration file loaded into the current configuration session The current configuration session is populated with the contents of the file RP 0 RSP1 CPU0 router config load disk0 usr cisco test cfg Loading 77 bytes parsed in 1 sec 76 bytes sec Loading an Alternative Configuration at System Startup When a router is reset or powered on the last running configuration is loaded and used to operate the router You can load an alternative configuration during system boot See Cisco ASR 9000 Series Aggregation Services Router ROM Monitor Guide for information and instructions on this process Clearing All Changes to a Target Configuration To clear changes made to the target configuration without terminating the configuration session type the clear command in global configuration mode or administration configuration mode This command deletes any configuration changes that have not been committed OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential In the following example the user configures an interface but does not commit it After reviewing the changes to the target configuration with the show configuration command the user decides to remov
173. st begin with the character Templates can be created with or without parameters e config commands Optional Global configuration commands to be added to the template definition Any name in a command such as the server name group name and so on can be parameterized This means that those parameters can be used in the template commands starting with and replaced with real arguments when applied e To remove the template use the no form of this command Type the template commands Example RP 0 RSPO CPUO router config TPL hostname test Defines the template commands end template Example RP 0 RSPO CPUO router config TPL end template Ends the template definition session and exits template configuration mode e When you end the template session you are returned to global configuration mode commit Example RP 0 RSPO CPUO router config TPL commit Applies the target configuration commands to the running configuration show running config template template name Example RP 0 RSPO CPUO router show running config Displays the details of the template template tmplt_1 OL 17502 01 Chapter5 CLI Tips Techniques and Shortcuts Examples Wildcards Templates and Aliases Mi FINAL DRAFT Cisco Confidential In the following example a simple template is defined The template contents are then displayed with the show running config template template na
174. stem Configurations FINAL DRAFT Cisco Confidential e MPLS TE Preferred Path Preferred tunnel path functions let you map pseudowires to specific TE tunnels Attachment circuits are cross connected to specific MPLS TE tunnel interfaces instead of remote provider edge router IP addresses reachable using Interior Gateway Protocol IGP or Label Distribution Protocol LDP High Availability The router is intended for use in Enterprise networks that require high availability It is designed to provide high MTBF Mean Time Between Failures and low MTTR Mean Time To Resolve rates This minimizes outages or and maximizes availability The router achieves this using the following e Component redundancy Duplex power supplies Cooling systems e Fault detection e Management features e High availability features Non stop forwarding NSF Cisco IOS XR Software supports forwarding without traffic loss during a brief outage of the control plane through signaling and routing protocol implementations for graceful restart extensions as standardized by the IETF NSF requires neighboring nodes to be NSF aware Process restartability minimum disruption restart Stateful switchovers In service software upgrades MPLS TE FRR Bidirectional Forwarding Detection BFD Standard IEEE 802 3ad link aggregation bundles System Configurations The router runs Cisco IOS XR Software on the following standalone chassis types available
175. stration configuration mode which is a submode of administration EXEC mode RPs are configured in global configuration mode Administration EXEC mode is used primarily to view system wide parameters configure the administration plane over the control Ethernet and configure the RP These operations are available only to users with the required root level access From EXEC mode use the admin command to enter administration EXEC mode RP 0 RSPO CPU0 router admin RP 0 RSPO CPUO router admin Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Ea OL 17502 01 Chapter3 Configuring General Router Features Navigating Cisco IOS XR Software Command Modes Mi FINAL DRAFT Cisco Confidential Table 3 4 Common Command Modes and CLI Prompts continued Command Mode Description administration Administration configuration mode allows you to assign system resources to RSPs configuration mode oe 2a From administration EXEC mode use the configure command to enter administration configuration submode RP 0 RSPO CPUO router admin configure RP 0 RSPO CPUO router admin config Global configuration Global configuration mode is the starting point for RSP configuration Commands entered in this mode affect the RSP as a whole rather than just one protocol or interface Global configuration mode 1s also used for entering configuration submodes to configure specific elements such as in
176. t 10 114 4 11 index 3 next address strict ipv4 unicast 10 119 4 11 index 4 next address strict ipv4 unicast 10 119 4 19 index 5 next address strict ipv4 unicast 10 19 19 19 explicit path name 10GE_Path_to_P19 index 1 next address strict ipv4 unicast 10 114 8 44 index 2 next address strict ipv4 unicast 10 114 8 11 19 19 8 8 index 3 next address strict ipv4 unicast 10 119 8 11 index 4 next address strict ipv4 unicast 10 119 8 9 index 5 next address strict ipv4 unicast 10 19 1 line console Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Chapter 3 Configuring General Router Features Managing Configuration Sessions Mi FINAL DRAFT Cisco Confidential To display the administration portion of the running configuration connect to the RSP and type the show running config command in administration EXEC or administration configuration mode as shown in the following example RP 0 RSPO CPUO router admin show running config Building configuration username cisco group root system group cisco support secret 5 1 2dx AGxtYJYRWhajo4IN1AVa0 More Viewing a Sanitized Version of the Running Configuration A sanitized running configuration report displays the contents of the running configuration without installation specific parameters Some configuration details such as IP addresses are replaced with different addresses The sanitized conf
177. t This Document The following sections provide information about Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide and related documents e Intended Audience page viii e Organization of the Document page viii e Related Documents page viii e Conventions page viii Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 A Preface FINAL DRAFT Cisco Confidential Intended Audience This document is intended for the following people e Experienced service provider administrators e Cisco telecommunications management engineers e Third party field service technicians who have completed the Cisco IOS XR Software training sessions e Customers who daily use and manage routers running Cisco IOS XR Software Organization of the Document This document contains the following chapters e Chapter 1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router e Chapter 2 Bringing Up Cisco IOS XR Software on the Router e Chapter 3 Configuring General Router Features e Chapter 4 Configuring Additional Router Features e Chapter 5 CLI Tips Techniques and Shortcuts e Chapter 6 Troubleshooting the Cisco IOS XR Software e Appendix A Understanding Regular Expressions Special Characters and Patterns Related Documents For a list of documentation for this router see the following Web pages e add links when created e add
178. te a filter e The minus sign preceding a regular expression displays output lines that do not contain the regular expression e The plus sign preceding a regular expression displays output lines that contain the regular expression In the following example the user adds a filter at the More prompt to show only the lines in the remaining output that contain the regular expression ip RP 0 RSPO CPU0 router show configuration running begin line Building configuration line console exec timeout 120 120 I logging trap More ip filtering ip route 0 0 0 0 255 255 0 0 Gi0 2 0 0 interface Gi0 2 0 0 ip address 172 19 73 215 255 255 0 0 end Tip On most systems Ctrl Z can be entered at any time to interrupt the output and return to EXEC mode For more information see Appendix A Understanding Regular Expressions Special Characters and Patterns Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide u OL 17502 01 Chapter 5 CLI Tips Techniques and Shortcuts Wildcards Templates and Aliases Mi FINAL DRAFT Cisco Confidential Multipipe Support The multipipe feature supports the multiple pipes on the command line interface With this feature the output can be processed by an enhanced utility set Using various combination of utilities it is possible to gather filter and format the output of any show command An arbitrary limit of 8 pipes is suppo
179. te fails that command is discarded e After a template is applied the show configuration command displays the target configuration changes The target configuration must be committed with the commit command to become part of the running configuration Examples In the following example a simple template is defined The template contents are then displayed with the show running config template template name command RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config apply template jbtest RP 0 RSPO CPU0 router config show running config template jbtest Building configuration Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 ED Chapter5 CLI Tips Techniques and Shortcuts MM Wildcards Templates and Aliases FINAL DRAFT Cisco Confidential hostname test end In the next example a template with one parameter is applied and the show configuration command displays the result RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config apply template test2 router RP 0 RSPO CPU0 router config show configuration Building configuration hostname router end Aliases Cisco IOS XR software lets you define command line aliases for any physical or logical entity in a router After you define the alias it can be used in the CLI to reference the real entity To create a command alias type the alias command in global configuration or administration configuration m
180. ted to commit the changes as shown in the second example RP 0 RSPO CPU0 router configure y Started Guide E Cisco ASR 9000 Series Aggregation Services Router Gettin OL 17502 01 Chapter 6 Troubleshooting the Cisco IOS XR Software Step 4 Step 5 Interfaces Not Coming Up Mi FINAL DRAFT Cisco Confidential AAA AAA AA AAA AG P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C P O RSPO C ncommitted P O RSPO C RP O RSPO C PUO PUO PUO PUO PUO PUO router config interface gi0 2 0 1 router config if ipv4 address 10 1 1 1 255 0 0 0 router config if no shutdown router config if commit router config if end router PUO PUO PUO router configure router config interface gi0 2 0 2 router config if ipv4 address 10 1 1 2 255 255 0 0 PUO router config if no shutdown PUO router config if end changes found commit them yes yes PUO router Type the show ipv4 interface brief command to verify that the interfaces are Up in the Status column PUO router show ipv4 interface brief Interface IP Address Status Protocol gi0 1 0 0 unassigned Shutdown Down gi0 1 0 1 unassigned Shutdown Down gi0 1 0 2 unassigned Shutdown Down gi0 1 0 3 unassigned Shutdown Down gi0 1 0 4 unassigned Shutdown Down gi0 1 0 5 unassigned Shutdown Down gi0 1 0 6 unas
181. ter your contig mode etid Uncommitted changes found commit them before exiting yes no cancel cancel Entering yes saves configuration changes to the running configuration file exits the configuration session and returns the router to EXEC mode Entering no exits the configuration session and returns the router to EXEC mode without committing the configuration changes Entering cancel leaves the router in the current configuration session without exiting or committing the configuration changes Viewing Active Configuration Sessions Before you start a configuration session check to see if there are other configuration sessions in progress More than one user can open a target configuration session at a time allowing multiple users to work on separate target configurations The procedure for viewing the active configuration sessions depends on the type of configuration session For administration configuration sessions that assign hardware components in RSPs you must be in administration EXEC mode For RSP configuration sessions you must be in EXEC mode To view the active administration configuration sessions connect to the router and type the show configuration sessions command in administration EXEC mode RP 0 RSPO CPUO routeri admin RP 0 RSPO CPUO router admin show configuration sessions To view active RSP configuration sessions connect to the RSP and type the show configuration sessions
182. terface lt Ccr gt RP 0 RSPO CPU0 router config ipv4 access list listl deny 172 31 134 0 The lt cr gt symbol by itself indicates that there are no more keywords or arguments Press Enter to execute the command RP 0 RSPO CPU0 router config ipv4 access list listl deny 172 31 134 0 Note The configuration does not become active until you type the commit command to add the target configuration to the running configuration OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide gy Chapter5 CLI Tips Techniques and Shortcuts W CLI Tips and Shortcuts FINAL DRAFT Cisco Confidential Completing a Partial Command with the Tab Key Je If you cannot remember a complete command name or want to reduce the amount of typing you have to perform type the first few letters of the command then press the Tab key If only one command begins with that character string the system completes the command for you If the characters you entered indicate more than one command the system beeps to indicate that the text string is not unique and the system provides a list of commands that match the text entered In the following example the CLI recognizes conf as a unique string in EXEC mode and completes the command when you press the Tab key RP 0 RSPO CPU0 router conf lt Tab gt RP 0 RSPO CPU0 router configure The CLI displays the full command name but you must press Enter to execute
183. terface is up by entering the show ipv4 interface brief command Protocol Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Down Up Up Up Down Down Down Down Repeat these steps for every interface until every interface shows both Status and Protocol as Up OL 17502 01 Contents APPENDIX A Understanding Regular Expressions Special Characters and Patterns This appendix describes regular expressions special or wildcard characters and patterns used with filters to search through command output Filter commands are described in the Filtering show Command Output section on page 5 9 e Regular Expressions page A 1 e Special Characters page A 2 e Character Pattern Ranges page A 2 e Multiple Character Patterns page A 3 e Complex Regular Expressions Using Multipliers page A 3 e Pattern Alternation page A 4 e Anchor Characters page A 4 e Underscore Wildcard page A 4 e Parentheses Used for Pattern Recall page A 4 Regular Expressions A regular expression is a pattern a phrase number or more complex pattern e Regular expressions are case sensitive and allow for complex matching requirements Simple regular expressions include entries like Serial misses or 138 e Complex regular expressions include entries like 00210 is or Oo utput A regular expression can be a single character pattern or multiple character pattern It can be
184. terfaces or protocols To enter global configuration mode type the configure command at the EXEC command prompt RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config Note The system prompt changes to router config to indicate that the router is now in global configuration mode Configuration From the global configuration mode you can enter more specific command modes These are submodes available based on your access privileges and include protocol specific platform specific and feature specific configuration modes In the following example MPLS LDP configuration mode is entered from global configuration mode The prompt for MPLS LDP configuration submode appears as config Idp The following command syntax is used for entering configuration MPLS LDP submode RP 0 RSPO CPU0 router configure RP 0 RSPO CPU0 router config mpls ldp RP 0 RSPO CPUO0 router config ldp Note The availability of any particular mode depends on the router features and the access rights of the individual user For example a configuration mode for configuring access servers is not available on most routers Interface configuration The interface configuration submode is used to select and configure a hardware interface To enter interface configuration mode from global configuration mode use an interface command An interface configuration command always follows an interface global configuration command which defines the interfa
185. tform command displays the resources assigned to the RP you are managing In administration EXEC mode the show platform command displays all router resources RP 0 RSPO CPUO router show platform Node Type State Config State O RSPO CPUO A9K RSP 4G HDD Active IOS XR RUN PWR NSHUT MON 0 1 CPUO A9K 40GE B IOS XR RUN PWR NSHUT MON 0 4 CPUO A9K 8T 4 B IOS XR RUN PWR NSHUT MON 0 6 CPUO A9K 4T B IOS XR RUN PWR NSHUT MON The following administration EXEC mode example shows all router nodes RP 0 RSP0 CPU0 router admin RP 0 RSP0 CPU0 router admin show platform Node Type State Config State O RSPO CPUO A9K RSP 4G HDD Active IOS XR RUN PWR NSHUT MON 0 FTO SP FAN TRAY READY 0 FT1 SP FAN TRAY READY 0 1 CPUO A9K 40GE B IOS XR RUN PWR NSHUT MON 0 4 CPUO A9K 8T 4 B IOS XR RUN PWR NSHUT MON 0 6 CPUO A9K 4T B IOS XR RUN PWR NSHUT MON 0 PM0 SP A9K 3KW AC READY PWR NSHUT MON 0 PM1 SP A9K 3KW AC READY PWR NSHUT MON 0 PM2 SP A9K 3KW AC READY PWR NSHUT MON The following example shows information for a single node in the router RP 0 RSP0 CPU0 router show platform 0 1 CPUO Node Type State Config State 0 1 CPUO A9K 40GE B IOS XR RUN PWR NSHUT MON For more information on node IDs see Cisco IOS XR System Management Configuration Guide For more information on the show platform command see Cisco IOS XR Interface and Hardware Component Command Reference show redundancy Command Example To v
186. to configure NTP Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference Configuration of NTP Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide Where to Go Next When you have completed the configuration procedures in this chapter consider the following resources for additional configuration documentation e For information on configuring additional general router features see Chapter 4 Configuring Additional Router Features e For information on using the Cisco IOS XR Software more efficiently see Chapter 5 CLI Tips Techniques and Shortcuts e For information on configuring interfaces see the hardware documents listed in the Related Documents section on page viii Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide EN OL 17502 01 Contents Configuring Additional Router Features This chapter shows you how to enter basic configurations using command line interface CLI e Configuring the Domain Name and Domain Name Server page 4 1 e Configuring Telnet and XML Host Services page 4 3 e Managing Configuration History and Rollback page 4 6 e Configuring Logging and Logging Correlation page 4 12 e Creating and Modifying User Accounts and User Groups page 4 15 e Configuring Software Entitlement page 4 19 e Configuration Limiting page 4 19 Configuring the Domain Name and Domain Name Server Config
187. to match multiple occurrences of a specified regular expression Table A 2 lists the special characters that specify multiples of a regular expression Table A 2 Special Characters Used as Multipliers Character Description Matches 0 or more single character or multiple character patterns Matches or more single character or multiple character patterns Matches 0 or occurrences of a single character or multiple character pattern The following example matches any number of occurrences of the letter a including none ar The following pattern requires that at least one occurrence of the letter a in the string be matched a The following pattern matches the string bb or bab ba b The following string matches any number of asterisks Yi To use multipliers with multiple character patterns enclose the pattern in parentheses In the following example the pattern matches any number of the multiple character string ab ab As a more complex example the following pattern matches one or more instances of alphanumeric pairs A Za z 0 9 OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Appendix A Understanding Regular Expressions Special Characters and Patterns M Pattern Alternation FINAL DRAFT Cisco Confidential The order for matches using multipliers and is to put the longest construct first Nested constructs are matched
188. tor ROMMON mode The ROM Monitor is a bootstrap program that initializes the hardware and boots the system when a router is powered on or reset ROM Monitor mode is also known as ROMMON which reflects the CLI prompt for the mode rommon B1 gt During normal operation users do not interact with ROMMON This mode is accessed only by manually interrupting the boot process and placing the system in ROMMON Once in ROMMON you can perform ROM Monitor tasks including reinstallation of the Cisco IOS XR Software password recovery and other diagnostic tasks The ROM Monitor CLI mode is accessible only from a terminal connected directly to the Console port of the primary RSP a terminal modem connection to the AUX port or through a terminal server See Cisco ASR 9000 Series Aggregation Services Router ROM Monitor Guide for information and instructions on using ROM Monitor mode Entering EXEC Commands from a Configuration Mode EXEC commands can be executed from any configuration mode by preceding the command with the do keyword Executing EXEC commands from a configuration mode allows you to view the state of the system without exiting the configuration mode For example RP 0 RSPO CPU0 router config do show version Cisco IOS XR Software Version 3 7 2 10I FCI_DT_IMAGE Copyright c 2008 by Cisco Systems Inc ROM System Bootstrap Version 0 63 20081010 215422 ASR9K ROMMON router uptime is 1 week 1 day 11 hours
189. trademarks of Cisco Systems Inc and or its affiliates in the United States and certain other countries All other trademarks mentioned in this document or website are the property of their respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 0809R Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Confidential Preface vii Changes to This Document vii About This Document vii Intended Audience viii Organization of the Document viii Related Documents viii Conventions viii Obtaining Documentation and Submitting a Service Request ix CHAPTER 1 Contents 1 1 Router Overview 1 1 Features and Capabilities 1 1 Cisco IOS XR Software 1 2 Flexible Ethernet 1 3 L2VPN 1 4 Multicast 1 4 OAM 1 4 Layer 3 routing 1 5 MPLS VPN 1 5 QoS 1 5 MPLS TE 1 5 High Availability 1 6 System Configurations 1 6 Management and Security 1 8 Manageability 1 8 Security 1 9 Initial Router Configuration 1 9 Management Interfaces 1 9 Command Line Interface 1 10 Extensible Markup Language API 1 10 Simple Network Management Protocol 1 10 Connecting to the Router Through the Console Port 1 11 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 UE E Contents FINAL DRAFT Cisco Confidential Configuring Gigabit Ethernet and 10 Gigabit Ethernet Interfaces 1 13 Where to Go Next 1 13 CHAPTER 2 Contents 2 1 Prer
190. uments in the show command limits the show output to a specific feature or interface In the following example only information about the static IP route configuration appears RP 0 RSP1 CPU0 router show running config router static router static address family ipv4 unicast 0 0 0 0 0 10 21 0 1 0 0 0 0 0 610 1 0 1 10 21 0 1 In the following example the configuration for a specific interface appears RP 0 RSP0 CPU0 router show running config interface Gi 0 1 0 1 interface Gi0 1 0 1 ipv4 address 10 21 54 31 255 255 0 0 Using Wildcards to Display All Instances of an Interface To display the configuration for all instances type the asterisk wildcard character Ss Note See the Using Wildcards to Identify Interfaces in show Commands section on page 5 12 for more information In the following example a configuration for all Gigabit Ethernet interfaces appears RP 0 RSP1 CPU0 router show running config interface gi interface Gi0 1 0 0 ipv4 address 10 2 3 4 255 255 255 0 gi Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide ss E OL 17502 01 Chapter5 CLI Tips Techniques and Shortcuts FINAL DRAFT Cisco crc 32 shutdown keepalive disable I interface Gi0 1 0 1 ipv4 address 10 2 3 5 255 255 255 0 gi ere 32 shutdown keepalive disable I interface Gi0 1 0 2 ipv4 address 10 2 3 6 255 255 255 0 gi erc 32 shutdown keepalive disable I interface
191. ure a domain name and Domain Name Server DNS for your router to contact other devices on your network efficiently Use the following guidelines e To define a default domain name that the Cisco IOS XR software uses to complete unqualified hostnames names without a dotted decimal domain name use the domain name command in global configuration mode e To specify the address of one or more name servers to use for name and address resolution use the domain name server command in global configuration mode If no name server address is specified the default name server is 255 255 255 255 so the DNS lookup can be broadcast to the local network segment If a DNS server is in the local network it replies If not there might be a server that knows how to forward the DNS request to the correct DNS server e Use the show hosts command in EXEC mode to display the default domain name the style of name lookup service a list of name server hosts and the cached list of hostnames and addresses OL 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter4 Configuring Additional Router Features M Configuring the Domain Name and Domain Name Server FINAL DRAFT Cisco Confidential To configure the DNS and DNS server complete the following SUMMARY STEPS 1 configure 2 domain name domain name of organization 3 domain name server ipv4 address 4 commit or end 5 show hosts DETAILED STEPS Co
192. ured e Passwords configured for the router console and auxiliary ports password or secret command in line configuration mode Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 EJ Chapter3 Configuring General Router Features HZ Logging In to a Router FINAL DRAFT Cisco Confidential e A Remote Authentication Dial In User Service RADIUS server e A Terminal Access Controller Access Control System Plus TACACS server The username and password validation method that your router uses is determined by the router configuration For information on configuring username and password validation methods see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide For information on which username and password to use see your system administrator To log in to the router enter your username and password when prompted For example User Access Verification Username cisco Password password RP 0 RSPO CPUO0 router Note Passwords are case sensitive If you want to log in to the router using a root system username type the username in the following format username O admin To support admin login local database authentication must be enabled with the aaa authentication login remote local command For more information see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide After you log in the router displays the
193. use a terminal to connect through the Console port setting the speed to 115200 The remote terminal setting has to match the 115200 value After you connect through the Console port configure the management ports with their IP addresses Then you can use either SSH or Telnet to connect to the router Note SUMMARY STEPS confreg 0x0 reverts to the default speed setting If you change it from the default of 115200 you must reset it afterwards To connect to the router through the Console port perform the following procedure 1 Power on the router Connect a terminal to the Console port Start the terminal emulation program Press Enter Log in to the router admin N os ou gt WY DN show dsc 0L 17502 01 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router M initial Router Configuration FINAL DRAFT Cisco Confidential DETAILED STEPS Command or Action Purpose Step1 Power on the router Starts the router e This step is required only if the power is not on e For information on power installation and controls see the hardware documentation listed in the Related Documents section on page viil Step2 Connect a terminal to the Console port Establishes a communications path to the router e During the initial setup you can communicate with the router only through the C
194. usive RP 0 RSPO CPUO router config Note If the configuration is already locked by another user the configure exclusive command fails To view locked and unlocked configuration sessions see the Viewing Active Configuration Sessions section on page 3 19 To start an exclusive configuration session for the administration configuration connect to the RSP and type the configure exclusive command in administration EXEC mode RP 0 RSPO CPUO router admin RP 0 RSPO CPUO router admin configure exclusive RP 0 RSPO CPUO router admin config The running configuration is unlocked when the user who started the exclusive configuration session exits the configuration mode as described in the Ending a Configuration Session section on page 3 31 Viewing Configuration Details The following sections describe the different ways to view information about your configuration e Viewing the Running Configuration page 3 22 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 01 17502 01 E Chapter3 Configuring General Router Features M Managing Configuration Sessions FINAL DRAFT Cisco Confidential e Viewing a Sanitized Version of the Running Configuration page 3 23 e Viewing the Target Configuration page 3 24 e Viewing a Combined Target and Running Configuration page 3 25 e Viewing Configuration Error Messages and Descriptions page 3 26 e Viewing Configuration Error Messages
195. vices Router Getting Started Guide oL 17502 01 ELEN Chapter1 Introducing to the Cisco ASR 9000 Series Aggregation Services Router M Where to Go Next FINAL DRAFT Cisco Confidential Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 1 14 E OL 17502 01 so Confidential cuneren Q Bringing Up Cisco IOS XR Software on the Router This chapter provides instructions for bringing up Cisco IOS XR Software on the router for the first time Contents e Prerequisites page 2 1 e Bringing Up and Configuring the Router page 2 2 e Verifying the System After Initial Boot page 2 4 e Where to Go Next page 2 8 Prerequisites The following sections describe the software and hardware requirements for bringing up the router running Cisco IOS XR Software Release 3 7 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 EN Chapter2 Bringing Up Cisco 10S XR Software on the Router W Bringing Up and Configuring the Router FINAL DRAFT Cisco Confidential Software Requirements The system requires compatible ROM Monitor firmware on all RPs A Caution The ROM Monitor firmware on all RPs must be compatible with the Cisco IOS XR Software release installed on the router If the router is brought up with an incompatible version of the ROM Monitor software the standby RP may fail to boot For instructions to overcome a boot block in the standby RSP see
196. ving Committed Configurations to Free System Memory page 6 10 e Rolling Back to a Previously Committed Configuration page 6 10 e Clearing Configuration Sessions page 6 11 Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 0L 17502 01 Chapter6 Troubleshooting the Cisco IOS XR Software WE Memory Warnings in Configuration Sessions FINAL DRAFT Cisco Confidential Clearing a Target Configuration A low memory warning can occur when a large configuration file is loaded into a target configuration session To remove the target configuration type the clear command to discard the changes For example RP 0 RSPO CPUO router config clear A Caution Committing a target configuration that has caused a low memory warning can make the system unstable Clearing a target configuration is a preventive measure to not let the system go into a worse memory state due to additional configuration In addition all other active configuration sessions can be closed to minimize the churn Removing Committed Configurations to Free System Memory You can reduce memory usage by removing configurations from the router as shown in the following procedure Step 1 Type the show memory summary command in EXEC mode to display the overall system memory RP 0 RSPO CPU0 router show memory summary Physical Memory 2048M total Application Memory 1787M 1511M available Image 132M bootram 132M Reserved
197. yes saves configuration changes to the running configuration file exits the configuration session and returns the router to EXEC mode RP 0 RSPO CPUO router your config mode commit Entering no exits the configuration session and returns the router to EXEC mode without committing the configuration changes Entering cancel leaves the router in the current configuration session without exiting or committing the configuration changes e Use the commit command to save the configuration changes to the running configuration file and remain within the configuration session To make configuration changes and remain in CONFIG mode perform the following procedure SUMMARY STEPS 1 configure 2 Enter configuration changes 3 commit Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide 318 E OL 17502 01 Chapter3 Configuring General Router Features Managing Configuration Sessions Mi FINAL DRAFT Cisco Confidential 4 end DETAILED STEPS Command or Action Purpose Step1 configure Enters global configuration mode Example RP 0 RSPO CPU0 router configure Step2 Enter configuration changes Invokes the change you enter Step3 commit Saves configuration changes Example RP 0 RSPO CPUO router your config mode commit Step4 end Saves configuration changes e When you issue the end command the system prompts Example you to commit changes RP 0 RSP0 CPU0 rou

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