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HP ProLiant BL e-Class User's Manual

1. M Figure 2 15 Connecting the power cables 3 Install the power cords The server blade enclosure and interconnect switch power up as soon as power is applied to the enclosure CAUTION Because the server blade enclosure uses both power supplies for power redundancy and proper cooling be sure that both power cords are connected at all times por Figure 2 16 Routing the cables 4 Bundle the network and power cables together and route them to the outer edge of the rack 2 12 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch Configuring the Integrated Administrator After cabling the interconnect switch to your network the next step is to configure the Integrated Administrator module The Integrated Administrator module enables monitoring and managing of all functions within a server blade enclosure as well as the ability to configure the switch modules After the switch modules are configured the Integrated Administrator module provides these features through both a Web based user interface and a command line interface You can connect to the Integrated Administrator module command line interface locally or remotely e For local out of band access connect a null modem cable into the serial port on the back of the enclosure and then use VT100 terminal emulation software to connect e For remote access you can
2. By default XConnects between Switch A and Switch B in the chassis form a port trunk XConnect with two links as shown in the following figure Port Number OO REA 2 Enabled v Apply Wicomea OIC IAF HODE CHIPRE ol EH TOTO OO is El By 7 DRE OOOO OOO BBD Lviv sl pay Doo Note It is only valid to set up at most 8 member ports of any one trunk group and a port can be a member of only one trunk group at a time With source MAC address forwarding when packets are forwarded to a port trunk they are distributed across the ports in the port trunk based on the source MAC address SA of the incoming packet Therefore to provide load balancing packets from different hosts use different ports in the port trunk but packets from the same host use the same port in the port trunk With destination MAC address forwarding when packets are forwarded to a port trunk they are distributed across the ports in the port trunk based on the destination host s MAC address DA of the incoming packet Therefore packets to the same destination are forwarded over the same port and packets to a different destination are sent on a different port in the port trunk G 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Port Trunking and Load Balancing in Blade Switches Configuring Load Balancing on Blade Switches To configure the load balancing and forwarding method using the men
3. B Baud A 1200 B 2400 C 4800 D 9600 F 19200 G 38400 H 57600 I 115200 E xit I All communication setting changes are only temporary and defaults are restored at exit Change your local speed to 115200 and press the Enter key to continue Change the baud rate of your HyperTerminal session and press the Enter key After the switch module is in the download mode and the baud rates are configured properly a connection established message is displayed IMPORTANT If the following screen displays nonsense characters then a mismatched baud rate configuration has occurred Check HyperTerminal to see if the baud rate setting on the switch module console interface and the HyperTerminal are mismatched F 4 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Upgrading Firmware through the Serial Port Interconnect Switch HyperTerminal T BJ xj File Edit View Call Transfer Help Boot Procedure Please change your baud rate to 115200 for Z modem download or press CTRL C go to BOOT MENU Z Modem baud rate 115200 Z Modem Establishing Connection with Sender B00000002 7f ed B00000002 7fed B00000002 7fed B000000027fed B00000002 7f ed B00000002 7f ed B00000002 7f ed B00000002 7fed s lal Connected 0 19 37 vr100 ii5200 amp w 1 SCROLL CAPS NUM Capture Print echo Figure F 4 Connection established message 13 Before beginning the
4. Addresses Data Network Packets BPDUs Management Packets Forwarding Database Switch Fabric Data Packets Port 2 Learning Network Segment Figure D 5 Disabled State D 8 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol Troubleshooting STP This section describes several troubleshooting tips Spanning Tree Protocol Failure A failure in the STP generally leads to a bridging loop A bridging loop in an STP environment comes from a port that should be in the blocking state but is forwarding packets B C Designated Port 2 Port 2 Figure D 6 Example of Spanning Tree Protocol failure In this example B has been elected as the designated bridge and Port 2 on C is in the blocking state The election of B as the designated bridge is determined by the exchange of BPDUS between B and C B had a better BPDU than C B continues sending BPDUs advertising its superiority over the other bridges on this LAN Should C fail to receive these BPDUS for longer than the max age default of 20 seconds it could start to transition its Port 2 from the blocking state to the forwarding state NOTE A port must continue to receive BPDUs advertising superior paths to remain in the blocking state There are a number of circumstances in which STP can fail mostly related to the loss of a large number of BPDUs These situations will cause a port in the blocking state
5. Bases MIBs HP Switch MIBs and RMON groups 1 statistics 2 History 3 Alarm and 9 Event for fault detection configuration and monitoring of switch functionality In addition the interconnect switch supports various environmental traps such as temperature and fan failure traps To secure the management interface the switch administrator can configure community strings with two levels of access Access can be restricted to a limited number of Management Stations by configuring a list of IP addresses of those stations that can access the interconnect switch Refer to Appendix E for more information Port Mirroring The interconnect switch allows the user to mirror a port to another port for network monitoring and troubleshooting purposes This technology offers a way for network packet analyzers to view the traffic moving through the switch modules by providing a copy of the traffic that is currently being passed through any other port The packets are normally sent to a network packet analyzer or other monitoring device attached to the mirror port Port Trunking and Load Balancing The interconnect switch port trunking feature allows several ports to be grouped together and act as a single logical link called a trunk This feature provides a bandwidth that is a multiple of a single link s bandwidth It also improves reliability since a configurable type of load balancing is automatically applied to the ports in the trunked group A li
6. HP ProLiant BL p Class GbE Interconnect Switch SNMP RMON MIBs support E 1 IEEE 802 1p based class of service 1 8 IEEE 802 1Q based VLAN 1 6 IEEE ANSI standards specifications B 1 IGMP Internet Group Management Protocol snooping overview 1 8 installation additional information 2 16 cabling 2 10 hardware 2 1 overview 2 1 planning configuration 2 8 troubleshooting 1 2 Integrated Administrator 1A connectors accessing switch modules through 2 14 configuring 2 13 location 1 9 overview 1 5 upgrading firmware through F 1 IP addresses DHCP and BOOTP sources for 1 8 J Japanese regulatory notice A 2 L LAN local area network 1 6 Layer 2 based packet forwarding 1 6 learning state STP D 4 LED indicators 1 10 listening state STP D 2 local area network LAN 1 6 login procedures initial setup 2 14 M manual configuration 2 9 max age and resource errors D 12 MIBs Management Information Bases E 1 mirroring of ports overview 1 7 modules switch 1 5 multiple switch configuration 2 10 N new deployment installation 2 2 O Open Systems Interconnection OSI model 1 6 P packets data buffering of 1 8 corruption of D 12 forwarding technology 1 7 prioritization service 1 8 patch panels replacing 2 6 performance specifications B 3 physical and environmental specifications B 2 ports full half duplex mismatch problem D 10 locations 1 9 management tips D 13 mirroring of 1 7 name defaults C 5 specifications
7. Refer to the management interface reference guides for more information on using a TFTP server to upload and download configuration files Cabling the Interconnect Tray After installing the interconnect switch hardware and planning the configuration cable the interconnect tray to your network CAUTION In order to avoid damaging the server blade enclosure observe the following guidelines when cabling e Connect the AC power cords last Be sure to connect both AC power cords for redundancy and proper cooling e Bundle all cables and route them to the edge of the rack for proper cooling and airflow 2 10 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch To cable the interconnect tray KS C Figure 2 13 Connecting the Integrated Administrator module 1 Connect the Integrated Administrator module to your network by using the management connector 10 100 Ethernet ra Yj J T 27 2 Install the network cables By default each server blade has PXE enabled on Ethernet Port 1 Since the Ethernet Port 1 of every server blade physically routes through Switch A HP recommends that either Port 25 or 26 of Switch A be used for PXE functions HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 11 Setting up and Installing the Interconnect Switch a
8. The interconnect switch IP address may not be configured or correct The setting allowing access to the interconnect switch using the Telnet interface is disabled The Security IP list if used does not contain the IP address of your management station The internal switch processor port meant for supporting switch management interfaces and the port to which you have connected to access the switch from the Telnet Web or SNMP interfaces are not in the same VLAN Possible Solution Check the cable and connections and make sure there is network connectivity between the interconnect switch and the DHCP server Make sure DHCP server is present on the network or VLAN attached to the interconnect Switch Make sure the IP addresses are available e Go to the Switch IP Settings screen and click Apply to make the interconnect switch retry DHCP e Reset reboot the interconnect switch e From the serial console interface on the Switch IP Settings screen make sure that the interconnect switch IP address is configured and valid on your network e Use the correct IP address to establish the Telnet connection with the interconnect switch From the serial console interface on the Advanced Switch Settings screen make sure the Telnet interface is enabled From the SNMP Manager Configuration Screen make sure that security IP list or Management IP Station list has the IP address of your management station Make sure
9. multiple switch configurations 2 10 overview 1 7 troubleshooting 1 7 XML configuration H 1 traffic classes configuring overview 1 8 troubleshooting spanning tree protocol D 9 switch I 1 trunking feature default settings C 5 overview 1 7 U unidirectional link problem D 11 upgrading firmware through serial port F 1 troubleshooting 1 9 users managing accounts privilege levels 2 9 XML configuration H 1 1 9 V ventilation clearances vii VLANs virtual local area networks default settings C 5 features 1 6 W warranty viii X XModem protocol F 1 Z ZModem protocol F 1 HP ProLiant e Class C GbE Interconnect Switch User Guide Index 3
10. 4 Ib EMI FCC Class A CE Class A VCCI Class A Safety UL CUL TUV GS HP ProLiant BL e Class C GbE Interconnect Switch User Guide Technical Specifications Table B 3 Performance Specifications Transmission Method Store and forward Memory 32MB Main 8MB flash and 16MB packet buffer per switch module Filtering Address Table 8K Packet Filtering Forwarding Rate Full wire speed for all connections 148 809 5 pps per port for 100 Mb s 1 488 095 pps per port for 1000 Mb s MAC Address Learning Automatic update Forwarding Table Age Time Maximum Age 10 9999 seconds Default 3000 seconds Maximum Number of VLANs 255 including default VLAN plus user configurable and or dynamic registered per switch module HP ProLiant BL e Class C GbE Interconnect Switch User Guide B 3 C Runtime Switching Software Default Settings Default Settings This section provides the default settings for the interconnect switch modules e Table C 1 contains general default settings for both Switch Module A and Switch Module B e Table C 2 contains Port Names VLANs STP ByPass Trunking Default Settings for Switch Module A e Table C 3 contains Port Names VLANs STP ByPass Trunking Default Settings for Switch Module B Table C 1 Default Settings Setting Value User Name None Password None DHCP Service Enabled BootP Service Disabled IP Address if manual option is selected Switch A 10 90
11. 8 Interconnect S witch Seculrlty 2 decet re een to ree Bee cH e REEL deep 2 9 Manually Configuring a Switch Module esee eene nnne 2 9 Configuring Multiple Switch Modules eese nennen enne enne 2 10 Cabling the Interconnect Tray 24 i eoe et a ee C de ie deeds 2 10 Configuring the Integrated Administrator eese eene 2 13 Accessing the Switch Modules eet gemein ste die ERE tine Paese EL ERR HERE het 2 14 Supporting Software and Special Considerations eese enne 2 16 Appendix A Regulatory Compliance Notices Cl ss A Equipments eiue RR e ERREUR WR SERE HERUM EH seas EORR E A 1 Modifications a A A dra A 1 Cableado ill aida A 1 Canadian Notice Avis Canadien uie RH A Lind Cae eas eee bug A 1 AECI A ER A 1 European Union NotiCeuii E A A ee ee ate A 2 BSMLNOICG 2 on p AA taa A 2 Japanese Not eie tr er ibt i ie LT P dace sed e oeste et E REPAS A 2 Appendix B Technical Specifications Appendix C Runtime Switching Software Default Settings Default Settings deett een n tec a e e Rees C 1 Port Names VLANs STP By Pass Trunking Default Settings seen C 5 Appendix D Spanning Tree Protocol Introduction c eh ro Gu eee tart e e term eod fl t et te o d dee D 1 Blockine St te narnia ra domam ere D 1 IB SI PANIER MK p D 2 Learna Statene RET E D 4 Forwarding State eerte e tee a et ee een i e tuts eee eee eee ee D 5 Di
12. 8 component level repairs vii configuration features 1 3 planning for 2 8 troubleshooting 1 6 configuration safe mode H 2 console management interface upgrading firmware F 1 crosslinks redundant 1 5 CSMA CD Carrier Sense Multiple Access with Collision Detection 1 6 D data loop identifying D 12 Index data transfer rates B 1 default settings parameters to set 2 8 runtime switching software C 1 DHCP Dynamic Host Configuration Protocol overview 1 8 diagnostics features 1 4 disabled state STP D 7 E enterprise specific MIBs E 2 errors resource D 12 Ethernet ports connectors locations 1 9 specifications B 1 European Union regulatory notice A 2 eXtensible Markup Language XML H 1 external components overview 1 9 F failover features 1 3 features 1 2 Federal Communications Commission FCC notice A 1 firmware upgrades console management interface F 1 troubleshooting I 9 forward delay setting and resource errors D 12 forwarding state STP D 5 full half duplex mismatch problems D 10 G grounding vii grounding plug vii H hardware installation 2 1 help resources viii HP authorized reseller viii HP ProLiant BL e Class C GbE Interconnect Switch architecture 1 4 HP ProLiant e Class C GbE Interconnect Switch User Guide Index 1 Index external components 1 9 features 1 2 installing 2 1 runtime switching software settings C 1 supported technologies 1 6 troubleshooting 1 1
13. 90 90 Switch B 10 90 90 91 Subnet Mask if manual option is selected 255 0 0 0 Gateway if manual option is selected 0 0 0 0 Management VID 1 System Name None System Location None System Contact None Auto Logout 10 minutes MAC Address Aging Time 300 seconds IGMP Snooping Globally Disabled Switch GVRP Disabled Telnet Status Enabled continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide C 1 Runtime Switching Software Default Settings Table C 1 Default Settings continued Setting Value Web Status Enabled Telnet RS232 Interface Menu Group Address Filter Mode Forward all unregistered Scheduling Mechanism for CoS Queues Strict Trunk Load Sharing Algorithm Src Address Backpressure Disabled Port Speed Duplex Auto Flow Control On Setup Restart Ingress Bandwidth None Setup Restart Egress Bandwidth None Switch STP Enabled Bridge Max Age 20 seconds Bridge Hello Time 2 seconds Bridge Forward Delay 15 seconds Bridge Priority 32768 Port Priority 128 Port Cost 19 for ports 1 24 4 for ports 25 26 Static Unicast Filtering Table None Static Multicast Filtering Table None Static VLAN Entry Default VLAN VID 1 Port VID 1 Port Ingress Rule Filtering Off Port GVRP Setting Off IGMP Snooping VLAN ID 1 IGMP Snooping State Enabled IGMP Snooping Querier St
14. A5 D1 01 BC Download Protocol lt Z Modem gt anagenent Module and use new settings CTRL T Root screen Esc Prev screen CTRL R Refres Connected 3 50 49 ANSIW 9600 5441 Figure F 3 Boot Configuration menu 5 Select XModem or ZModem as the download protocol 6 Highlight Reboot 7 Pressthe Enter key The switch module reboots HP ProLiant BL e Class C GbE Interconnect Switch User Guide F 3 Upgrading Firmware through the Serial Port 10 11 12 While the switch module is rebooting press the pound key again to force the switch module into download mode The download mode message is displayed Refer to Figure F 2 NOTE For faster transfers you may want to change the speed of your console connection from 9600 to 115200 If you continue to transfer at 9600 go to step 13 Press the Integrated Administrator escape character Ctrl The following Integrated Administrator connect menu is displayed Command D isconnect C hange settings R eboot Switch E xit command mode gt Press the following keys in sequence to change the settings CL C BI Your screen displays the following lines Command D isconnect C hange settings R eboot Switch E xit command mode C Change settings for L ocal Session R emote Port Switch B E xit L Change Local C ommunication Settings D isable Escape Character E xit C Settings B audrate flow control N one H ardware S oftware E xit
15. B 2 power and power supplies connecting 2 12 privileges user 2 9 protocols network BOOTP 1 8 DHCP 1 8 overview 1 6 1 7 specifications B 1 XModem ZModem F 1 R redundancy features identifying links D 13 overview 1 3 1 5 regulatory compliance notices A 1 remote monitoring RMON overview 1 7 SNMP RMON MIBs support E 1 replacing interconnect switch safe mode H 2 replacing interconnect tray 2 4 replacing RJ 45 patch panels 2 6 resource errors D 12 RJ 45 connectors location 1 9 pin specifications J 1 RJ 45 patch panels replacing 2 6 RMON remote monitoring Index 2 HP ProLiant e Class C GbE Interconnect Switch User Guide Index overview 1 7 SNMP RMON MIBs support E 1 runtime switching software C 1 S safe mode compatibility with network H 2 configuration file templates H 2 H 3 switch replacement scenario H 2 security features 1 9 overview 2 0 serial port upgrading firmware from F 1 I 9 SNMP Simple Network Management Protocol overview 1 7 SNMP script utility 2 10 SNMP RMON MIBs support E 1 spanning tree protocol STP overview 1 6 states D 1 STP Bypass default settings C 5 troubleshooting D 9 specifications RJ 45 pin J 1 standard MIBs E 2 standards IEEE ANSI B 1 storage and forward switching scheme 1 7 switch replacement safe mode H 2 T technician notes vii telephone numbers viii templates safe mode location H 3 modification H 3 TFTP Trivial File Transfer Protocol server
16. Class C GbE Interconnect Switch User Guide Troubleshooting Table I 3 Troubleshooting Using a TFTP Server continued Problem While using TFTP to download or upload a configuration file the interconnect switch fails to connect to the TFTP server or after connection the download or upload fails Possible Cause The TFTP server is not available to connect or there is a connectivity failure between the interconnect switch and the TFTP server Possible Solution e Make sure that TFTP server exists on the same network and VLAN as that of the switch Make sure that you can ping TFTP server from the switch and vice versa e Make sure the IP address of the TFTP server is correct The configuration file is not found on the TFTP server The file name could be wrong and is mismatching Make sure that a valid configuration file exists on the TFTP server to download to the interconnect switch e On the interconnect switch check the file name you configured to download or upload The TFTP server was started with a configured directory The interconnect switch must be configured using the full path name if it is not in the directory specified in the TFTP server While using TFTP to save the history log the interconnect switch fails to connect to the TFTP server or after connection the download fails The TFTP server is not available to connect or there is connectivity failure between the interc
17. Duplex Flow Control ANSI IEEE 802 3 Nway Auto Negotiation Protocols CSMA CD Data Transfer Rates Ethernet Half Duplex 10 Mb s Full Duplex 20 Mb s Fast Ethernet Half Duplex 100 Mb s Full Duplex 200 Mb s Gigabit Ethernet Full Duplex 2000 Mb s continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide Technical Specifications Table B 1 General Specifications continued Network Cables 10Base T 2 Pair UTP Category 3 4 5 100 m EIA TIA 568 100 ohm STP 100 m 100Base TX 2 Pair or 4 Pair UTP Category 5 100 m EIA TIA 568 100 ohm STP 100 m 1000Base and 1000Base T 4 Pair UTP Category 5e 100 m EIA TIA 568 100 ohm STP 100 m Number of Ports 42 10 100 Mb s Nway Ethernet Ports 4 10 100 1000 Base T TX T Uplink Ethernet Ports 1 Serial RS 232 Console Management Port through the Integrated Administrator 1 10 100 Base T TX Ethernet Management Port through the Integrated Administrator Table B 2 Physical and Environmental Specifications DC Inputs Power Consumption 12V 3 5A per switch module 5V 0 3A per switch module 50 watts maximum per switch module Operating Temperature 0 to 50 degrees Celsius Storage Temperature 30 to 70 degrees Celsius Operating Humidity 5 to 95 RH noncondensing Storage Humidity 0 to 95 RH noncondensing Dimensions 11 2 inches x 16 1 inches Weight 620 grams 1
18. Tree Protocol A port in the forwarding state does the following e Forwards packets received from the network segment to which it is attached e Forwards packets sent from another port on the switch for forwarding e Incorporates station location information into its address database e Receives BPDUs and directs them to the system CPU e Receives and responds to network management messages Network Segment Port 1 Forwarding Data Network Packets Management Packets Addresses BPDUs Forwarding Database Addresses Switch Fabric Port 2 Learning Network Segment Figure D 4 Forwarding State D 6 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol Disabled State A port in the disabled state does not participate in frame forwarding or STP A port in the disabled state is virtually non operational A disabled port does the following Discards packets received from the network segment to which it is attached Discards packets sent from another port on the switch for forwarding Does not add addresses to its forwarding database Receives BPDUS but does not direct them to the system CPU Does not receive BPDUs for transmission from the system CPU Receives and responds to network management messages HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 7 Spanning Tree Protocol Network Segment Port 1 Forwarding
19. ZModem transfer disable the Integrated Administrator escape character to ensure a transparent connection for the file transfer To disable this character press the following keys Ctrl _C LD Your screen displays the following lines Command D isconnect C hange settings R eboot Switch E xit command mode gt C Change settings for L ocal Session R emote Port Switch B E xit gt L Change Local C ommunication Settings D isable Escape Character E xit D The Escape Character Ctrl is now disabled To re enable it you must press Ctrl twelve times in sequence Press Enter to continue 14 Press the Enter key to continue HP ProLiant BL e Class C GbE Interconnect Switch User Guide F 5 Upgrading Firmware through the Serial Port 15 From the Interconnect Switch HyperTerminal window menu select Transfer then Send File The following window is displayed Send File Sed Gee Cane Figure F 5 Send File window 16 Click Browse and select the firmware file to be downloaded to the switch module 17 Select the download protocol from the drop down menu 18 Press Send to start the download process The following screen is displayed Zmodem file send for Interconnect Switch Figure F 6 ZModem file send for Interconnect Switch window F 6 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Upgrading Firmware through the Serial Port After the firmwa
20. as Microsoft Internet Explorer or Netscape Navigator Simple Network Management Protocol SNMP and Remote Monitoring RMON manageability and monitoring are supported An SNMP based scripting utility allows remote configuration of the GbE Interconnect Switch The interconnect switch functionality allows you to save and download interconnect switch configurations to a TFTP server thus allowing the rapid deployment of multiple server blade systems and providing robust backup and restore capabilities Simple Network Time Protocol SNTP is supported allowing the interconnect switch to display and record the accurate date and time as provided by an SNTP server The interconnect switch functionality allows you to manually set the system time HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 3 Introduction Diagnostic Tools The hardware software and firmware diagnostic tools that are available include ProLiant BL e Class Integrated Administrator Insight Manager 7 Power On Self Test POST built into the interconnect switch boot up process C GbE Interconnect Switch Management System and Utilities C GbE Interconnect Switch port mirroring C GbE Interconnect Switch LEDs for port status and speed Medium Access Control MAC based backdoor password provision contact HP technical support Interconnect Switch Architecture The ProLiant BL e Class C GbE Interconnect Switch contains the ProLiant BL e Class Integr
21. available HP ProLiant BL e Class C GbE Interconnect Switch Menu driven Interface Reference Guide HP ProLiant BL e Class C GbE Interconnect Switch Command Line Interface Reference Guide HP ProLiant BL e Class C GbE Interconnect Switch Web based Interface Reference Guide Service Quick Reference Guide Service training guides Service advisories and bulletins QuickFind information services Insight Manager software Telephone Numbers For the name of your nearest HP authorized reseller In the United States call 1 800 345 1518 In Canada call 1 800 263 5868 For HP technical support In the United States and Canada call 1 800 652 6672 Outside the United States and Canada refer to www hp com viii HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 Introduction Overview This user guide provides installation and reference information for the HP ProLiant BL e Class C GbE Interconnect Switch Configuration and management information provided in this guide applies to interconnect switches running firmware version 2 0 0 and higher and includes new features such as e A command line interface CLI that provides standard scripting capabilities as well as enhanced systems management and deployment e Simple Network Time Protocol SNTP capability that allows the GbE Interconnect Switch to obtain the current date and time through a primary or secondary SNTP server e The capability to manually set t
22. do require that they must be the same speed NOTE Dynamic Link Aggregation Control Protocol LACP is not supported Load Balancing Determining which Link to Send Traffic Across The load balancing policy frame distribution can be based on MAC address Layer 2 You can configure these frame distribution policies to be based on source MAC address SA destination MAC address DA or both source and destination MAC addresses SA XOR DA in the frame to be forwarded across the port trunk A port trunk distributes frames across the links by reducing the last three lower order bits of the binary pattern formed from the MAC addresses in the frame to a numerical value In addition the port trunk calculates the modulus of that numerical value against the number of available links in that port trunk to determine which one of the links to send traffic across IEEE 802 3ad Port trunk frame distribution policies are based on hashing algorithms that use formulas mentioned below with examples The algorithm is deterministic given the same addresses and session information you always hash to the same port in the port trunk preventing out of order packet delivery The selected mode applies to all port trunks configured on the switch Use the option that provides the greatest variety in your configuration For example if the traffic on a port trunk is going only to a single MAC address using the destination MAC address always chooses the same link
23. in the external port s RJ 45 connector Cannot access the interconnect switch serial console interface via the Integrated Administrator using null modem connection from a PC Terminal Emulation Program Error message that the interconnect switch failed to complete the system self testing is displayed on the serial console screen Keyboard locks up when using HyperTerminal to logon to the switch module through the console interface Possible Cause Interconnect switch is not seated properly Server blade enclosure is not powered up There is a faulty LED The cable is not properly plugged in The cable or connector heads are faulty The RJ 45 connector on the switch or LED is faulty Null modem cable has a problem Connection settings do not match the Integrated Administrator serial settings System diagnostic tests failed Scroll lock is set on Possible Solution Make sure interconnect switch is inserted completely and seated properly Make sure the server blade enclosure is powered up and all the power connections are intact Check console to see if the interconnect switch is booted Check if the cable is plugged in and seated properly Replace with another tested cable After checking all the above if no link LED displays check whether the port is transferring data If yes the LED is faulty If no it could be a faulty RJ 45 connector Call your service representative Make s
24. in the port trunk using the source addresses or IP addresses might result in better load balancing HP ProLiant BL e Class C GbE Interconnect Switch User Guide G 1 Port Trunking and Load Balancing in Blade Switches Circumstances can occur where one address in the source destination pair is a constant For example the destination might be a server or even more likely a router In that case if both the source address and destination address option is selected you will still see statistical load balancing because the source address is always different Default Settings for Load Balancing The default four the interconnect switch is to use the source MAC address based load balancing This means that all packets the switch receives on a non trunk port with the same source MAC address SA and that are destined to MAC addresses on the other side of the port trunk will use the same link in the port trunk Source based forwarding should be used when many stations attached to the switch are sending to a few stations such as a single router on the other side of the port trunk This better distributes traffic across all links in the port trunk Also switches maintain a notion of a primary port on which to transmit traffic such as Spanning Tree Protocol multicasts and unknown unicasts The properties of this primary port determine the properties of how the port trunk works with features like Spanning Tree VLAN multicasting and so on
25. po pe a eem shies 1 7 Port Trunking and Load Balancing sees nennen enin rennen 1 7 Trivial File Transfer Protocol Support enne nre ener 1 7 Store and Forward Switching Scheme esssssssseeeeeeeeee ener nennen nennt streiten enne 1 7 IEEE 802 1p Based Class of Service for Packet Prioritization eese 1 8 Internet Group Management Protocol Snooping eese enne 1 8 Dynamic Host Configuration Protocol or Bootstrap Protocol ooconncnncnnncnnccnnoncnancnoncnnoconccnnncnnnannos 1 8 Simple Network Time Protocol cR C De e 1 9 User Account Management eoe ese a 1 9 External Components ices ie A E n es eater exce Pese tee ie dut 1 9 External Panieb 2 oe ete e phat eme e e une Ei Ho e ER seats 1 9 LED Indicators ut cm eee eee dede 1 10 HP ProLiant BL e Class C GbE Interconnect Switch User Guide iii Contents Chapter 2 Setting up and Installing the Interconnect Switch Kul seis nelle ee etal GH Sn a aa E aT 2 1 Installing Interconnect Switch Hardware ener nnne nennen nennen nen 2 1 Installing a New Interconnect Tray in a New ProLiant BL e Class Server Blade Enclosure 2 2 Replacing an Existing Interconnect Tray essent nennen nennen nennen nnne 2 4 Replacing a Patch Panel Tr y eee eee eee ope e eo tae ced ere Rin 2 6 Planning the Interconnect Switch Configuration esee eene 2 8 Default Settin es PTUS 2
26. procedure runs the Power On Self Test POST and a screen similar to the following is displayed HP ProLiant BL e Class C GbE Interconnect Switch User Guide F 1 Upgrading Firmware through the Serial Port Interconnect Switch HyperTerminal File Edt View Cal Transfer Help Boot Procedure Connected 0 46 40 lvr100 115200 8 N 1 SCROLL caps mum Capture Print echo Figure F 1 POST message 3 Press the pound key as soon as you see the Boot Procedure header This action forces the switch module into the download mode A screen similar to the following is displayed Interconnect Switch HyperTerminal Ble Edit view Call Transfer Help Boot Procedure Please change your baud rate to 115200 for Z modem download or press CTRL C go to BOOT MENU s Lu Connected 0 47 13 vr100 115200 8 N 1 SCROLL CAPS NUM Capture Print echo Figure F 2 Download mode message F 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Upgrading Firmware through the Serial Port 4 Configure the download protocol ZModem or XModem or use the default boot configuration settings Within 60 90 seconds press the Ctrl C keys to display the Boot Configuration Menu b To use the default boot configuration settings go to step 9 Interconnect Switch HyperTerminal 10 xi Ele Edt Yew Cel Irarcfer Heb Dj e13 soles a BOOT CONFIGURATION MENU nent Module HAC Addr 00 02
27. production environments A spare interconnect switch however configured to a safe mode may be appropriate for multiple production environments Interconnect Switch Replacement Scenario using a Safe Mode Configuration When an in production interconnect switch fails 1 Remove the failed interconnect switch 2 Insert the spare interconnect switch that was previously configured for safe operation 3 Upgrade to new firmware if appropriate 4 Download the correct configuration for that particular interconnect switch H 2 HP ProLiant BL e Class GbE Interconnect Switch User Guide XML Configuration Safe Mode Configuration File Templates Two example template configuration files have been provided as a basis to create an appropriate safe mode configuration Each file is delivered with the Switch Management Utilities package specific to a particular type of interconnect switch e esafe_ex xml e psafe ex xml NOTE The templates provided are only examples and should not be used in a production environment without modifications rquired for your specific production network These templates have commented sections for IP configuration password protection and port selection Safe Mode Configuration File Template Modification Copy the example Safe Mode template to a new name Perform modifications appropriate for your production environment While the list below describes some of the most common modifications your env
28. sides will negotiate and match the setting to make the correct link e From the Configure Ports screen make sure the ports are forced to the same setting as the setting on the other end of the link e Use a crossover cable in case of forced 10 100 speeds HP ProLiant BL e Class C GbE Interconnect Switch User Guide Troubleshooting Table I 3 Troubleshooting Using a TFTP Server Problem Possible Cause While using TFTP to The TFTP server is not available to download firmware the connect or there is connectivity interconnect switch fails to failure between the switch and connect to the TFTP server TFTP server or after connection the download fails Possible Solution Make sure the IP address of the TFTP server is correct Make sure that the TFTP server exists on the same network and VLAN as the interconnect switch Make sure that you can ping the TFTP server from the interconnect switch and vice versa The firmware file is not found on the TFTP server The file name could be wrong and is mismatching Make sure that a valid firmware file exists on the TFTP server to download to the interconnect switch On the interconnect switch check the file name you configured to download The TFTP server was started with a configured directory The interconnect switch must be configured using the full path name if it is not in the directory specified in the TFTP server continued HP ProLiant BL e
29. that the Management VLAN ID on the Switch IP Settings screen is the same as the VLAN ID of the port that is trying to make the Telnet Web or SNMP connection If not change it to match continued 1 4 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Troubleshooting Table l 1 Troubleshooting Setting Up and Accessing continued Problem Cannot connect to the interconnect switch remotely using the Web interface Cannot connect to the interconnect switch SNMP interface Possible Cause The interconnect switch IP address may not be configured or correct Accessing the interconnect switch using Web interface is disabled The Proxy server settings are configured on your Internet browser and your proxy server does not know the interconnect switch IP address The Security IP list if used does not contain the IP address of your management station The internal switch processor port meant for supporting switch management interfaces and the port to which you have connected to access the switch from the Telnet Web or SNMP interfaces are not in the same VLAN The interconnect switch IP address may not be configured or correct The Security IP list if used does not contain the IP address of your management station The internal switch processor port meant for supporting switch management interfaces and the port to which you have connected to access the switch from the Telnet Web o
30. to transition to the forwarding state HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 9 Spanning Tree Protocol Full Half Duplex Mismatch A mismatch in the duplex state of two ports is a very common configuration error for a point to point link If one port is configured as full duplex and the other port is left in auto negotiation mode the second port will end up in half duplex because ports configured as half or full duplex do not negotiate Designated B Port 2 Figure D 7 Example of full half duplex mismatch In the above example Port 1 on B is configured as a full duplex port and Port 1 on A is either configured as a half duplex port or left in auto negotiation mode Because Port 1 on B is configured as a full duplex port it does not perform the carrier sense when accessing the link B will then start sending packets even if A is using the link A will then detect collisions and begin to run the flow control algorithm If there is enough traffic between B and A all packets including BPDUs will be dropped If the BPDUs sent from A to B are dropped for longer than the max age B will lose its connection to the root A and will unblock its connection to C This will lead to a data loop D 10 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol Unidirectional Link Unidirectional links can be caused by an undetected failure in one side of a fib
31. use a Telnet or Secure Shell session to connect to the built in network controller NOTE For complete instructions refer to the HP ProLiant BL e Class Integrated Administrator User Guide on the Documentation CD provided with your server blade enclosure To configure the Integrated Administrator module 1 Using the null modem serial cable provided with your server blade enclosure connect the Integrated Administrator serial console connector to a local client device such as a laptop computer with VT100 terminal emulation software such as Microsoft Windows HyperTerminal e WwW Figure 2 17 Connecting the Integrated Administrator serial console connector 2 Open a VT100 terminal emulation session with the following settings 9600 baud rate eight data bits no parity one stop bit and hardware flow control disabled 3 Log on to the Integrated Administrator using the user name and password provided on the tag attached to the interconnect tray The tag contains a unique default password that should be changed during your first logon session HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 13 Setting up and Installing the Interconnect Switch IMPORTANT User name and password are case sensitive 4 Determine the Integrated Administrator IP address using one of the following methods NOTE For more information such as determining the Integrated Administrator IP address using the W
32. which will be used to complete the interconnect switch configuration lt gt lt SM Change the root user for reconfiguration gt lt SM Change per your environment gt lt SET USER ACCOUNTS to BIOS DEFAULTS if RESET is True gt Remove the comment sign pairs then add or modify user accounts Notice ACCESS VALUE must be Root User User gt lt USER_ACCOUNTS LIST RESET True gt lt USER_ACCOUNT_ITEM USER yourUser gt lt PASSWORD VALUE yourPassword gt ACCESS VALUE Root gt lt USER_ACCOUNT_ITEM gt USER ACCOUNTS LIST HP ProLiant BL e Class GbE Interconnect Switch User Guide H 5 Troubleshooting This section provides information on solutions to problems that may occur during the configuration and operation of a Proliant BL e Class C GbE Interconnect Switch The following table lists steps you should take before calling your service representative Following are four tables with basic troubleshooting information Setting Up and Accessing Table I 1 contains general troubleshooting information about setting up and accessing the interconnect switch Topics covered include LEDs cables failure of the interconnect switch to get IP settings failure to connect to the interconnect switch remotely and what to do if you forget your administrator user name and password Configuring Table I 2 contains general troubleshooting information about configuring the i
33. 10 100 Server 6 Auto 1 Egress DEFAULT_VLAN Server6_Port1 Yes 10 100 Server 7 Auto 1 Egress DEFAULT_VLAN Server7_Port1 Yes 10 100 Server 8 Auto 1 Egress DEFAULT_VLAN Server8_Port1 Yes 10 100 Server 9 Auto 1 Egress DEFAULT_VLAN _ Server9_Port1 Yes 10 100 Server 10 Auto 1 Egress DEFAULT_VLAN Server10_Port1 Yes 10 100 Server 11 Auto 1 Egress DEFAULT_VLAN Server11_Port1 Yes 10 100 Server 12 Auto 1 Egress DEFAULT_VLAN Server12_Port1 Yes 10 100 Server 13 Auto 1 Egress DEFAULT_VLAN Server13 Port1 Yes 10 100 Server 14 Auto 1 Egress DEFAULT VLAN Server14 Port Yes 10 100 Server 15 Auto 1 Egress DEFAULT VLAN Server15 Porti Yes 10 100 Server 16 Auto 1 Egress DEFAULT VLAN Server16_Port1 Yes 10 100 Server 17 Auto 1 Egress DEFAULT_VLAN Server17 Porti Yes continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide C 5 Runtime Switching Software Default Settings Table C 2 Switch Module A continued Port Type Ul Speed VID VLAN VLAN Name Port Name STP Port Port Member ByPass Trunk AS Enabled 10 100 Server 18 Auto 1 Egress DEFAULT_VLAN Server18_Port1 Yes 10 100 Server 19 Auto 1 Egress DEFAULT_VLAN Server19_Port1 Yes 10 100 Server 20 Auto 1 Egress DEFAULT_VLAN Server20 Port1 Yes 10 100 XCon X Connect 21 Auto 1 Egress DEFAULT VLAN XConnect1 No nect 10 100 XCon X Connect 22 Auto 1 Egress DEFAULT VLAN XConnect2 No nect 10 100 IA NIC 23 Auto 1 Egress DEFAULT VL
34. AN IA Mgmt Module Yes Mgmt 10 100 Uplink 24 Auto 1 Egress DEFAULT VLAN Mgmt Uplink Yes 10 100 1000 D Uplink 25 Auto 1 Egress DEFAULT VLAN SwitchA Uplink1 No 10 100 1000 D Uplink 26 Auto 1 Egress DEFAULT VLAN SwitchA Uplink2 No HP ProLiant BL e Class C GbE Interconnect Switch User Guide Runtime Switching Software Default Settings Table C 3 Switch Module B Port Ul Speed VID VLAN VLAN Name Port Name STP Port Type Port Member ByPass Trunk AS Enabled 10 100 Server 1 Auto 1 Egress DEFAULT_VLAN Server1_Port2 Yes 10 100 Server 2 Auto 1 Egress DEFAULT_VLAN Server2_Port2 Yes 10 100 Server 3 Auto 1 Egress DEFAULT_VLAN Server3_Port2 Yes 10 100 Server 4 Auto 1 Egress DEFAULT_VLAN Server4_Port2 Yes 10 100 Server 5 Auto 1 Egress DEFAULT_VLAN Server5_Port2 Yes 10 100 Server 6 Auto 1 Egress DEFAULT_VLAN Server6_Port2 Yes 10 100 Server 7 Auto 1 Egress DEFAULT_VLAN Server7_Port2 Yes 10 100 Server 8 Auto 1 Egress DEFAULT_VLAN Server8_Port2 Yes 10 100 Server 9 Auto 1 Egress DEFAULT_VLAN Server9_Port2 Yes 10 100 Server 10 Auto 1 Egress DEFAULT_VLAN Server10_Port2 Yes 10 100 Server 11 Auto 1 Egress DEFAULT_VLAN Server11_Port2 Yes 10 100 Server 12 Auto 1 Egress DEFAULT_VLAN Server12 Port2 Yes 10 100 Server 13 Auto 1 Egress DEFAULT VLAN Server13 Port2 Yes 10 100 Server 14 Auto 1 Egress DEFAULT VLAN Server14 Port2 Yes 10 100 Serve
35. Degraded switchTempSensorFailed switchTempSensorOk HP ProLiant BL e Class E GbE Interconnect Switch User Guide E 3 SNMP RMON MIBs Support switchPostSuccess switchLoginFailure switchLocationChange switchCubeTypeChange switchSNTPServiceUnavailable E 4 HP ProLiant BL e Class E GbE Interconnect Switch User Guide F Upgrading Firmware through the Serial Port You can upgrade the system firmware of a switch module by connecting your computer to the serial console port of the Integrated Administrator and using terminal emulation software that supports the ZModem or XModem protocol This procedure is only necessary if your interconnect switch does not have access to a TFTP server or if the firmware procedure was previously interrupted and the switch module is not booting properly To download a firmware file to a switch module and change the external console port baud rate 1 From a PC using Microsoft Windows HyperTerminal or any other terminal emulation program connect to the serial console interface on the switch module at 9600 baud NOTE For information on how to connect to the switch module menu driven interface refer to the section Connecting to the Switch Modules in the menu driven interface reference guide 2 Rebootthe switch module by using the Reboot menu option or by pressing the connection escape keys usually Ctrl Shift _ and accessing the Integrated Administrator Reboot Switch option The boot
36. E Interconnect Switch User Guide D 1 Spanning Tree Protocol e Does not transmit BPDUs received from the CPU e Receives and responds to network management messages Network Segment Port 1 Forwarding Data Network Packets BPDUs Management Packets Addresses Forwarding Database CRU Switching Fabric BPDUs Discard Data Packets Port 2 Blocking Network Segment Figure D 1 Blocking State Listening State The listening state is the first transition for a port from the blocking state Listening is an opportunity for the switch to receive BPDUS that may tell the switch that the port should not continue to transition to the forwarding state but should return to the blocking state that is a different port is a better choice There is no address learning or packet forwarding from a port in the listening state D 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol A port in the listening state does the following e Discards frames received from the network segment to which it is attached e Discards packets sent from another port on the switch for forwarding e Does not add addresses to its forwarding database e Receives BPDUs and directs them to the CPU e Processes BPDUs received from the CPU e Receives and responds to network management messages Network Segment Port 1 Forwarding Data Network Packets BPDUs M
37. HP ProLiant BL e Class C GbE Interconnect Switch User Guide DU invent February 2003 Second Edition Part Number 263682 002 2002 2003 Hewlett Packard Development Company L P Microsoft Windows and Windows NT are U S registered trademarks of Microsoft Corporation Netscape Navigator is a U S trademark of Netscape Communications Corporation Hewlett Packard Company shall not be liable for technical or editorial errors or omissions contained herein The information in this document is provided as is without warranty of any kind and is subject to change without notice The warranties for HP products are set forth in the express limited warranty statements accompanying such products Nothing herein should be construed as constituting an additional warranty Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 211 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license HP ProLiant BL e Class C GbE Interconnect Switch User Guide February 2003 Second Edition Part Number 263682 002 Contents About This Guide Technician Notes RERO este sehen eet eee as oe ee eee adie vii Where to Go for Additional Help 1 eee ciet eine t tie tied tbi de opto eiis k viii Telephone NUMBELS dnce haere oe pest anes IR PT
38. IB RFC 2358 dot3StatsTable Enterprise Specific MIBs The SNMP agent for the switch supports the following enterprise specific MIBs e cpqAgent mib agentBasicInfo Basic information for the switch agentBasicConfig Basic configuration management agentIpProtoConfig IP related configuration management agentIpTrapManager Setting of the trap manager IP e cpgl2mgt mib swPortTrunkPackage Management of the port trunk function swPortMirrorPackage Management of the port mirroring function swIGMPPackage Management of the IGMP function E 2 HP ProLiant BL e Class E GbE Interconnect Switch User Guide SNMP RMON MIBs Support vesubio mib swL2BwMgmt Management of the ingress and egress bandwidth swL2CosMgmt Management of Class of Service swL2PortSecurityMgmt Management of port security dswL2DevMgmt Management of device advanced settings swL2PortMgmt Management of the port link CIMTRAPS mib Redefining of the entConfigChange trap in SNMP SNMP Traps The interconnect switch may generate the following SNMP traps event notifications Refer to the MIBs for detailed information coldStart warmStart authenticationFailure topologyChange newRoot linkDown linkUp entConfigChange switchFirmwareTransferred switchConfigFileTransferred switchTFTPTransferSucceeded switchTFTPTransferFailed switchFileInvalid switchFanFailed switchFanOk switchTempSensor
39. OOTP server during the boot process By default the interconnect switch is configured for DHCP The IP settings can be manually configured through the console interface The IP settings are also configurable from other interfaces such as the Web but since the connection is based on an IP address for these interfaces users have to reconnect with the newly assigned IP address 1 8 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Introduction Simple Network Time Protocol The interconnect switch can maintain the current date and time This information displays on the management interfaces and is used to record the date and time of switch events Current date and time information can be manually set on the interconnect swithc or can be obtained through Simple Network Time Protocol SNTP SNTP allows the interconnect switch to send a request to a primary or secondary SNTP server in each polling period asking for the Greenwich Mean Time GMT If the primary SNTP server is not available the request is sent to a secondary SNTP server User Account Management For increased security separate user accounts can be set up with various levels of permission External Components This section describes the external panel and LED indicators of the ProLiant BL e Class C GbE Interconnect Switch External Panel The external panel of each interconnect switch has four RJ 45 connectors with Gigabit Ethernet uplink connectivity for ne
40. P rtg e teen eee pte EK viii Chapter 1 Introduction COV ELV LOW zii e E a RR Hence 1 1 Additional References nu eet oie er IH T RAE E GEL eL ge eit da roga 1 1 ProLiant BL e Class C GbE Interconnect Switch eese enne ener nre 1 2 Ind p ORE 1 2 Enterprise Class Performance 52 ee e AA e Ede s ee e Ere ss 1 2 Interconnect Switch Redundancy eese ener cnn nr non rro nono rennen 1 3 Configuration and Management ssesseesesseeeeeseeere neret nente tnter erret enne 1 3 Diagnostic To0 l85 45 5 aee Pret e er CREER EO TUR EXE HG OQ OE ER TOES ters 1 4 Interconnect S witch Architecture cocoa np te eee espe Lon ea nte E nada 1 4 Integrated Administrator ii e hem tee e ite tq eleg Eee tte gu ek e et er eee a 1 5 Interconnect Switch Modules eere tie Pee tee RE beoe ke puce eei idos 1 5 Redundant Crosshinks rper ert t sist il least 1 5 Redundant Paths to Server Blades eese nennen rennen nennen nennen 1 5 supported Technologies diiniita terri 1 6 Layer 2 witChing a A e de A AA eoa n ae ee ee deir edu 1 6 IEEE 802 1Q Based Virtual Local Area Network eeesesseeeseeeeeeeee enne enne 1 6 Spanrimne Tree Protocol sci spi eei rcd dap eme ter er a 1 6 Simple Network Management Protocol and Remote Monitoring eene 1 7 Port Mirroring o tp P nei a te pete eie er Het D ape e Ee
41. TY VALUE 0 gt RESTART EGRESS BANDWIDTH IN UNITS VALUE 0 gt RESTART INGRESS BANDWIDTH IN UNITS VALUE 0 gt STP PORT SETTINGS PRIORITY VALUE 128 gt COST VALUE 19 gt BYPASS VALUE Yes gt STATE VALUE Enabled gt STP PORT SETTINGS PORT VLAN PVID VALUE 1 gt INGRESS VALUE 0ff gt GVRP VALUE 0ff gt PORT VLAN SECURITY MAX LEARNING ADDRESS VALUE 1 gt MODE VALUE DeleteOnTimeout gt lt STATE VALUE Disabled gt lt SECURITY gt lt PORT_CONFIGURATION gt HP ProLiant BL e Class GbE Interconnect Switch User Guide XML Configuration e You may wish to allow only a single IP address management station access SECURITY IP ACCESS LIST RESET True gt lt gt lt SM Add an item for each management station that can access the switch gt lt SM Example lt IPACCESS VALUE 192 168 0 1 gt gt SECURITY IP ACCESS LIST e Change the read write community string per your environment leu gt lt SM Change the read write community string per your environment SNMP ACCESS LIST RESET True gt SNMP ACCESS ITEM COMMUNITY public gt TYPE VALUE RO gt STATUS VALUE Valid gt SNMP ACCESS ITEM SNMP ACCESS ITEM COMMUNITY yoursnmprw gt TYPE VALUE RW gt STATUS VALUE Valid gt SNMP ACCESS ITEM gt SNMP ACCESS LIST e Setup the root user account
42. ake the Telnet Web or SNMP connection If not change it to match continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 5 Troubleshooting Table l 2 Troubleshooting Configuring Problem After connecting more than one port to another Switch or destination device the port activity LEDs continuously indicate activity Possible Cause Since there are multiple links across this device and the destination device they form loops which cause broadcast storms Possible Solution From the Configure Spanning Tree settings screen enable STP at switch level From the Port Spanning Tree settings screen enable STP at port level if you want multiple links Make sure that the Bypass setting is disabled This will avoid loops and maintain standby links for resilience in case the primary links go down While configuring VLANs you cannot enable a port in multiple VLANs A port can be part of only one VLAN unless the port is a tagged port Make sure that your VLANs are 802 1Q VLANs and enable the port as a tagged port from the 802 1Q Static VLAN Settings Screen on console interface or the VLAN settings screen on Web based interface After assigning a port to multiple 802 1Q VLANs by configuring it as tagged port you check the PVID It is equal to the first For port based VLANs ports belong to only one VLAN and only one PVID can be assigned Port based VLANs can be extended to ot
43. anagement Packets Addresses Forwarding Database oy Data Packets Port 2 Listening Network Segment BPDUs Figure D 2 Listening State HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 3 Spanning Tree Protocol Learning State A port in the learning state prepares to participate in frame forwarding The port enters the learning state from the listening state A port in the learning state does the following Discards frames received from the network segment to which it is attached Discards packets sent from another port on the switch for forwarding Adds addresses to its forwarding database Receives BPDUs and directs them to the CPU Processes and transmits BPDUs received from the CPU Receives and responds to network management messages HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol Network Segment Port 1 Forwarding Addresses BPDUs Forwarding Database EPU Addresses BPDUs Data Packets Port 2 Data Network Packets Management Packets Switch Fabric Learning BPDUs Figure D 3 Learning State Forwarding State Network Segment A port in the forwarding state forwards packets The port enters the forwarding state from the learning state when the forward delay timer expires HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 5 Spanning
44. as the Administrator you can connect to either switch module console using one of the following commands connect switch a to access Switch A Or connect switch b to access Switch B 2 14 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch b If you have not logged on to the Integrated Administrator you can use one of two special logon accounts to access the switch module consoles directly depending on whether you want to access Switch A or Switch B At the login prompt type in both the user name and password as either switcha Or switchb The logon screen for Switch A or Switch B will now be displayed 2 Perform the following tasks for each switch module ge Configure the IP address b Setup users passwords and access privileges c Change default SNMP community strings for read write and read only NOTE After configuring the IP address on the switch module the switch module can be accessed using Telnet SNMP or a Web browser Refer to the command line interface and menu driven interface reference guides for information on how to use the command line management interface and the menu driven interface to change configuration settings and monitor switch operation using one of the following interfaces e Local Serial RS 232 Console Management Interface through Integrated Administrator e Remote Telnet Console Management Interface Refer to the Web
45. ate Non querier IGMP Snooping Robustness Variable 2 IGMP Snooping Query Interval 125 seconds IGMP Snooping Max Response 10 seconds Port Trunking Xconnect Port 21 22 Port Mirroring Source Port 1 Port Mirroring Source Direction Either ingress and egress Port Mirroring Target Port 11 continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide Runtime Switching Software Default Settings Table C 1 Default Settings continued Setting Value Port Mirroring Mirror Status Disabled Broadcast Storm Monitoring Disabled Multicast Storm Monitoring Disabled DA Unknown Storm Monitoring Disabled Storm Threshold 500 packets second Port State Enabled Class of Service Max Packets 10 Class of Service Max Latency 0 Port Priority 0 Class of Traffic Priority O 1 Class O Priority 2 3 Class 1 Priority 4 5 Class 2 Priority 6 7 Class 3 Port Security Admin State Disabled Port Security Max Address 4 Port Security Mode DeleteOnReset Priority MAC Address None SNMP Community String e public e private SNMP Community String Access Right e public read only e private read write SNMP Trap Manager IP None Security IP 0 0 0 0 User Account None TFTP Server IP Address 0 0 0 0 TFTP Port Number 69 Firmware Update File name none Configuration File on TFTP Se
46. ated Administrator module and two redundant interconnect switch modules Switch A and Switch B Gigabit uplinks Gigabit uplinks 25 26 24 25 26 Integrated Administrator 23 SS UU MODO ELTE uem T TTE TELLE NAME 1211 2 1 2 1 211 211 2 1 2 4 211 2 1 2 1 2 1 2 1 2 1 211 21 2 1 21 2 zzz zzz mmm Oo 9 o 9 9 O 9 O l0 o O 9 o o 9 o o 9 a2 a 2 a a a a ea ea e a la a ee iot o m o lo o qo o o lo o o w llan llo 1 00 llo S N Go amp 01 05 4 Co 140 S Server blades Figure 1 2 ProLiant BL e Class C GbE Interconnect Switch architecture HP ProLiant BL e Class C GbE Interconnect Switch User Guide Introduction Integrated Administrator The ProLiant BL e Class Integrated Administrator provides centralized remote management and monitoring for the ProLiant BL e Class server blade enclosure interconnect switch module and 20 server blades The Integrated Administrator acts as a combination terminal server and remote power controller enabling out of band secure serial console connections to all server blades in the enclosure The Integrated Administrator serves as a single access point for administrative functions It provides remote and local setup deployment and administrative support as well as monitoring and health reporting of server blades interconnect switch modules and other components in the enclosure such as p
47. ators There are three algorithms that are supported to decide the outgoing port of frames depending on how the load balancing option is configured 1 For the source MAC address option N Last three LSB of SA MOD Number of links up in the port trunk 2 For the destination MAC address option N Last three LSB of DA MOD Number of links up in the port trunk 3 For both source and destination MAC addresses option N Last three LSB of DA XOR SA MOD Number of links up in the port trunk If N is the remainder of the equation and N is not equal to 0 then the Nth link that is up in the port trunk is the outgoing port If N is the remainder of the equation and N is equal to 0 then N 1 link that is up in the port trunk is the outgoing port G 4 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Port Trunking and Load Balancing in Blade Switches For example There is a port trunk group with eight member ports and there is a frame with SA 0x0080C800000B DA 0x0080C800000C e SA last three bits is 0b011 e DA last three bits is Ob100 e SA XOR DA is 0b111 In the following example four trunk ports are link up in the port trunk e For algorithm 1 N 0b011 MOD 4 3 The outgoing port would be the fourth link up in the port trunk e For algorithm 2 N 0b100 MOD 4 0 The outgoing port would be the first link up in the port trunk e For algorithm 3 N 0b111 MOD 4 3 The outgoing port would be the
48. based interface reference guide for information on how to use the embedded Web based HTML interface to manage the interconnect switch from anywhere on the network using a standard browser such as Netscape Navigator or Microsoft Internet Explorer Appendix E of this guide provides information regarding the SNMP and RMON Agents along with the MIBs supported This appendix also discusses how to use these MIBs to configure and monitor the switch modules using a generic SNMP manager HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 15 Setting up and Installing the Interconnect Switch Supporting Software and Special Considerations The following supporting software is available to assist you in configuring the interconnect switch e Utilities package and documentation provides interconnect switch utilities secure replacement procedures and information on scripting and firmware upgrades e Interconnect Switch Firmware Upgrade Smart Component for Microsoft Windows only Provides quick and easy installation of the interconnect switch firmware firmware upgrade tool and readme file A SoftPaq is available for use with Linux operating systems The preceding are located on the ProLiant BL e Class C GbE Interconnect Switch Management System Utilities and User Documentation CD included with the interconnect switch and at the following website www compaq com support servers 2 16 HP ProLiant BL e Class C GbE Interconn
49. by using scripted Command Line Interface CLD commands through Telnet or by downloading a configuration file using a TFTP server Using Scripted CLI Commands through Telnet The CLI provided with the interconnect switch allows you to execute customized configuration scripts on multiple switch modules A configuration script can be tailored to one of the multiple switch modules and then that configuration can be deployed to other switch modules from a central deployment sever Using a Configuration File If you plan for the base configuration of multiple switch modules in your network to be the same you can manually configure one switch module upload the configuration to a TFTP server and use that configuration file as a base configuration template This base configuration file can then be downloaded to multiple switch modules Small configuration changes can be pushed out to multiple switch modules by creating a configuration file with just the configuration items desired The configuration file can be downloaded to each switch module needing the change Refer to Appendix H XML Configuration for additional information regarding the XML configuration file Switch module IP addresses are acquired by default using DHCP therefore each module has a unique IP address Each switch module can be remotely accessed from a central deployment server and an individual switch module configuration can be downloaded to meet specific network requirements
50. ch module 2 Access the console interface 3 Within 60 seconds of when the Logon Screen displays type the password in the Password field 4 Leave the Username field blank 5 Press the Enter key The main menu will be displayed 6 Access the User Accounts Management option and set a new Administrator password IMPORTANT Performing the following procedure sets the switch configuration to the factory defaults and resets the switch Administrator name and password to null 1 From the Integrated Administrator connect to the interconnect switch which is unresponsive 2 Press the Enter key to display the interconnect switch console 3 Press the Ctrl Shift _ keys to disconnect from the interconnect switch You do not have to log on to the interconnect switch at this time 4 When the D isconnect C hange settings R eboot Switch E xit command line displays type R to reboot the interconnect switch 5 When System self test 10 displays on the screen press the pound key The following message displays Do you want to load the default configuration y n 6 Type y to load the factory default configuration continued 1 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Troubleshooting Table I 1 Troubleshooting Setting Up and Accessing continued Problem Power LED on the interconnect switch is not on No link LED displays even after you plug in the Category 5 cable
51. d Red Interconnect switch health critical Off Enclosure off or booting Reserved for future use 4 Link activity Green Network link Flashing green Network activity Amber Port disabled Off 2 No network link 5 Link speed Amber 1000 Mb s Green 100 Mb s Off 2 10 Mb s or no network link HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 11 2 Setting up and Installing the Interconnect Switch Overview This chapter describes how to set up and install the ProLiant BL e Class C GbE Interconnect Switch and connect it to your network The setup and installation procedure includes the following tasks 1 2 3 4 5 Installing the interconnect switch hardware Planning the interconnect switch configuration Cabling the interconnect tray to the network Configuring the Integrated Administrator module Accessing the switch modules NOTE The ProLiant e Class C GbE Interconnect tray consists of the ProLiant BL e Class Integrated Administrator module and two interconnect switch modules Switch A and Switch B Installing Interconnect Switch Hardware This section describes how to install the interconnect tray in a new switch deployment as a replacement for an existing interconnect switch and as an upgrade from a patch panel HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 1 Setting up and Installing the Interconnect Switch Installing a New Interconnect Tray in a New ProL
52. d according to a logical scheme rather than a physical layout VLANs can be used to combine any collection of LAN segments into an autonomous user group that appears as a single LAN VLANs also logically segment the physical network into different broadcast domains so that packets are forwarded only between ports within the VLAN This technology enhances performance by conserving bandwidth and improves security by limiting traffic to specific domains IMPORTANT The greater the number of VLANs the greater the interconnect switch CPU utilization For maximum interconnect switch performance HP recommends that you be judicious when configuring the number of VLANs Spanning Tree Protocol The interconnect switch supports Spanning Tree Protocol STP which allows the blocking of links that form loops between switches in a network When multiple links between switches are detected a primary link is established Duplicated links are blocked from use and become standby links If the primary link fails the standby link is activated Refer to Appendix D for more information 1 6 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Introduction Simple Network Management Protocol and Remote Monitoring Each switch module can be configured and monitored remotely from a Simple Network Management Protocol SNMP Remote Monitoring RMON based Network Management Station The switch modules support industry standard SNMP Management Information
53. d wiring board Improper repairs can create a safety hazard A WARNING To reduce the risk of personal injury from electric shock and hazardous energy levels do not exceed the level of repairs specified in these procedures Because of the complexity of the individual boards and subassemblies do not attempt to make repairs at the component level or to make modifications to any printed wiring board Improper repairs can create conditions that are hazardous WARNING To reduce the risk of electric shock or damage to the equipment e Disconnect power from the system by unplugging all power cords from the power supplies e Do not disable the power cord grounding plug The grounding plug is an important safety feature e Plug the power cord into a grounded earthed electrical outlet that is easily accessible at all times CAUTION To properly ventilate the system you must provide at least 7 6 cm 3 0 in of clearance at the front and back of the server CAUTION The computer is designed to be electrically grounded earthed To ensure proper operation plug the AC power cord into a properly grounded AC outlet only HP ProLiant BL e Class C GbE Interconnect Switch User Guide vii About This Guide NOTE Any indications of component replacement or printed wiring board modifications may void any warranty Where to Go for Additional Help In addition to this guide the following information sources are
54. de instead of the runtime mode After forcing the interconnect switch into the download mode the console screen displays a message to change your terminal emulation session s baud rate for ZModem transfer and also displays unusual characters Your terminal emulation session baud rate does not match the interconnect switch serial console baud rate in the download mode Change your terminal emulation session s baud rate to match the interconnect switch serial console baud rate in the download mode IMPORTANT The baud rate for the interconnect Switch serial console in the download mode and runtime mode are two separate settings After starting to download the firmware file download fails The firmware file is not the correct one or got corrupted Make sure to get the latest firmware file that is meant for this interconnect switch Interconnect switch configuration is corrupted An error was made when saving the interconnect switch configuration Reboot the interconnect switch and reload the factory settings This clears all settings and restores them to their initial values that were present when the interconnect switch was purchased Refer to the management interface reference guides for information on how to reload factory settings IMPORTANT You will have the option to reset all settings except the IP address After reloading the factory settings reconfigure the Switch settings HP ProLian
55. e available to those with User and User privileges The following table summarizes user privileges Table 2 1 User Privileges Privilege Root User User Configuration Yes Read only Read only Network Monitoring Yes Read only Read only Community Strings and Trap Stations Yes Read only Read only Update Firmware and Configuration Files Yes No No System Utilities Yes Ping only Ping only Factory Reset Yes No No Reboot Switch Yes Yes No Add Update Delete User Accounts Yes No No View User Accounts Yes No No Manually Configuring a Switch Module A switch module can be configured manually using a local console interface a remote Telnet console interface a Web interface or an SNMP interface Refer to the management interface reference guides for information on how to configure the switch modules After a switch module is configured you can back up the configuration as a binary file to a TFTP server The backup configuration file can then be downloaded from the TFTP server to restore the switch module back to the original configuration under one of the following conditions e The switch module configuration gets corrupted during operation e The switch module needs to be replaced due to hardware failure HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 9 Setting up and Installing the Interconnect Switch Configuring Multiple Switch Modules You can configure multiple switch modules
56. eb based user interface refer to the HP ProLiant BL e Class Integrated Administrator User Guide on the Documentation CD provided with your server blade enclosure a If a DHCP server is attached to the network type the following at the command line to determine the Integrated Administrator IP address show network If a DHCP server is not attached to the network then type the following commands to assign a static IP address to the Integrated Administrator set ipconfig static IP address subnet mask set gateway IP address set DNS primary DNS server address secondary DNS server address restart You may now access the Integrated Administrator module through a Web browser Secure Shell Telnet or SNMP connection 5 Perform the following tasks as soon as the Integrated Administrator IP address is assigned a b c d Reset the administrator password Set the day date and time Name the server blade enclosure and rack Set up groups users and access privileges Accessing the Switch Modules After your ProLiant e Class C GbE Interconnect Switch is installed and cabled and the Integrated Administrator is configured you can access and configure the switch modules through the Integrated Administrator software 1 Access the switch modules from the Integrated Administrator command line interface using one of the following methods a If you have already logged into the Integrated Administrator
57. ect Switch User Guide A Regulatory Compliance Notices Class A Equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at personal expense Modifications Cables The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Hewlett Packard Company may void the user s authority to operate the equipment Connections to this device must be made with shielded cables with metallic RF EMI connector hoods in order to maintain compliance with FCC Rules and Regulations Canadian Notice Avis Canadien Class A Equipment This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada HP ProLiant BL e Class C GbE Intercon
58. eese G 6 802 1Q Tagging Trunking Supported on Port Trunks eee nennen nennen G 6 Appendix H XML Configuration Introductions eset de DAS ete o ete b eta H 1 User Account Information 5 2 ettet esie ete der ecd ree P begets een ebe ede iste eta eene H 1 dale Modernitas e E osos H 2 Interconnect Switch Replacement Scenario using a Safe Mode Configuration esses H 2 Safe Mode Configuration File Templates sessi ennt enne H 3 Safe Mode Configuration File Template Modification esee eren H 3 Appendix I Troubleshooting Appendix J RJ 45 Pin Specification Index HP ProLiant BL e Class C GbE Interconnect Switch User Guide v About This Guide This guide can be used for reference when servicing the HP ProLiant BL e Class C GbE Interconnect S witch WARNING To reduce the risk of personal injury from electric shock and hazardous energy levels only authorized service technicians should attempt to repair this equipment Improper repairs can create conditions that are hazardous Technician Notes A WARNING Only authorized technicians trained by HP should attempt to repair this equipment All troubleshooting and repair procedures are detailed to allow only subassembly module level repair Because of the complexity of the individual boards and subassemblies no one should attempt to make repairs at the component level or to make modifications to any printe
59. er cable or a problem with a ports transceiver Any failure that allows a link to remain up while providing one way communication is very dangerous for STP A Root Port 1 Port 2 u Designated Port 1 Transitions from Blocked to Forwarding BPDUS Lost Figure D 8 Example unidirectional link In this example Port 2 on B can receive but not transmit packets Port 2 on C should be in the blocking state but since it can no longer receive BPDUs from Port 2 on B it will transition to the forwarding state If the failure exists at boot STP will not converge and rebooting the bridges will have no effect This type of failure is difficult to detect because the link state LEDs for Ethernet links rely on the transmit side of the cable to detect a link If a unidirectional failure on a link is suspected it is usually required to go to the console or other management software and look at the packets received and transmitted for the port For example a unidirectional port will have many packets transmitted but none received or vice versa HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 11 Spanning Tree Protocol Packet Corruption Packet corruption can also lead to Spanning Tree Protocol failure If a link is experiencing a high rate of physical errors a large number of consecutive BPDUs can be dropped and a port in the blocking state would transition to the forwarding sta
60. erconnect switch allows administrators to map eight priority levels to four classes Traffic from a specific server port can be given priority over packets from other devices according to this range of priority levels For example with multiple packets in a buffer the packet with the highest priority would be forwarded first regardless of when it was received Internet Group Management Protocol Snooping Internet Group Management Protocol IGMP snooping when enabled and configured properly manages multicast traffic in a switch module by allowing directed switching of the IP multicast traffic The interconnect switch can use IGMP snooping to configure switch module ports dynamically so that IP multicast traffic is forwarded only to those ports associated with IP multicast hosts IGMP snooping allows the switch module to recognize IGMP queries and reports sent between network stations or devices and an IGMP host that belongs to a specific multicast group When enabled for IGMP snooping the switch module can open or close a port to a specific device based on IGMP messages passing through the module This feature further limits unnecessary broadcasts The GbE Interconnect Switch can be configured to use either IGMP version 1 or version 2 when making queries Dynamic Host Configuration Protocol or Bootstrap Protocol A switch module can be configured to obtain an IP address from a Dynamic Host Configuration Protocol DHCP or Bootstrap Protocol B
61. fourth link up in the port trunk The following table shows the relationship between the remainder and outgoing ports Link up port 1 pri 3 4 p 6 7 g Last three LSB Ob000 0b001 0b010 0b011 X Last three LSB 0b100 0b101 0b110 0b111 X In the following example 6 trunk ports are link up in the port trunk e For algorithm 1 N 0b011 MOD 6 23 The outgoing port would be the fourth link up in the port trunk e For algorithm 2 N 0b100 MOD 6 4 The outgoing port would be the fifth link up in the port trunk e For algorithm 3 N 0b111 MOD 6 1 The outgoing port would be the second link up in the port trunk The following table shows the relationship between the remainder and outgoing ports Link up port 1 2 3 4 5 6 7 8 Last three LSB 0b000 0b001 0b010 0b011 0b100 0b101 X Last three LSB 0b110 0b111 X X X X X HP ProLiant BL e Class C GbE Interconnect Switch User Guide G 5 Port Trunking and Load Balancing in Blade Switches Redundancy What Happens When One Link in the Port Trunk Fails If a segment within the port trunk fails traffic previously carried over the failed link switches to the remaining segments within the port trunk Inbound broadcast and multicast packets on one segment in a port trunk are blocked from returning on any other segment of the port trunk 802 1Q Tagging Trunking Supported on Port Trunks In a port trunk member ports can be configured with or without IEEE 802 1Q trunki
62. g power supply 11 12 13 Install the hot plug power supplies 1 Push the power supply handles to the closed position 2 Download the switch configuration file from the TFTP server Refer to the Downloading Configuration File on a TFTP Server section in the management interface reference guides If no configuration file is available reconfigure the switch modules HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 5 Setting up and Installing the Interconnect Switch Replacing a Patch Panel Tray To remove the patch panel tray and install an interconnect tray Figure 2 9 Removing a hot plug power supply 1 Press the port colored latch to release one hot plug power supply 1 IMPORTANT Port color indicates hot plug components 2 Pull the handle to its open position 2 Slide the hot plug power supply out of the server blade enclosure 3 4 Repeatsteps 1 through 3 to remove the other hot plug power supply Figure 2 10 Removing the patch panel tray 5 Press both interconnect tray release buttons 1 6 Simultaneously pull both slate blue ejector levers toward the rear of the server blade enclosure 2 IMPORTANT Slate blue indicates internal touch point components 2 6 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch 7 Pull the patch panel tray out of the server blade enclosure 3 Figure 2 11 In
63. he system time e Simple Network Management Protocol SNMP Management Information Base MIB enhancements Additional References Once the interconnect switch is installed you are ready to configure it Detailed information about how to configure the interconnect switch using the various user interfaces is available in the following reference guides These guides are located on the ProLiant BL e Class C GbE Interconnect Switch Management System Utilities and User Documentation CD e HP ProLiant BL e Class C GbE Interconnect Switch Menu driven Interface Reference Guide e HP ProLiant BL e Class C GbE Interconnect Switch Command Line Interface Reference Guide e HP ProLiant BL e Class C GbE Interconnect Switch Web based Interface Reference Guide HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 1 Introduction ProLiant BL e Class C GbE Interconnect Switch The ProLiant BL e Class C GbE Copper Gigabit Ethernet Interconnect Switch uses 10 100 1000 Gigabit Layer 2 switch technology to provide up to a 40 to 1 reduction in the number of networking cables required for each ProLiant BL e Class server blade enclosure Each interconnect switch reduces forty 10Base T 100Base TX server networking ports to as few as one up to four RJ 45 10Base T 100Base TX 1000Base T uplink ports Features Figure 1 1 ProLiant BL e Class C GbE Interconnect Switch The ProLiant BL e Class C GbE Interconnect Switch is designed for easy ins
64. her switches by cross connecting ports that have the By default all the ports have PVID 1 The Switch assigns to the port a PVID that is equal to the VLAN ID of the first VLAN that the port was enabled in To manually configure a Port VLAN refer to Configuring a Port VLAN in VLAN ID same PVID the same Port based the management interface reference guides VLAN Changing the first By default XConnect ports are Since they are bundled into a trunk the XConnect port settings changes the next XConnect port settings But changes to the second XConnect port settings cannot be applied or saved bundled into a port trunk settings of the first port are referenced and applied to the reset of the ports So in a trunk only the first port reference port is configurable and defines the characteristics of the other ports in the trunk While assigning the ports to VLANS the interconnect Switch does not let the user enable two adjacent ports into two different VLANs The ports could be two adjacent ports that are bundled in a port trunk Two ports that are assigned to a port trunk cannot be assigned to two different VLANs Either break the trunk to assign it two different VLANs or assign the ports to one VLAN After forcing the speed duplex and flow control on the port the link does not come up and transfer data properly Both sides need to be forced to the same settings In case of auto negotiation both
65. iant BL e Class Server Blade Enclosure To install a new interconnect tray M SSA SEA wa Bn t Figure 2 1 Removing a hot plug power supply 1 Press the port colored latch to release one hot plug power supply 1 NOTE Port color indicates hot plug components 2 Pullthe handle to its open position 2 Slide the hot plug power supply out of the server blade enclosure 3 4 Repeatsteps 1 through 3 to remove the other hot plug power supply Figure 2 2 Pulling the interconnect tray ejector levers 5 Press both interconnect tray release buttons 1 6 Simultaneously pull both slate blue ejector levers toward the rear of the server blade enclosure 2 2 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch NOTE Slate blue indicates internal touch point components Figure 2 3 Inserting the interconnect tray and engaging the interconnect tray levers 7 Insert the interconnect tray into the server blade enclosure 1 8 Simultaneously rotate both ejector levers to the locked position 2 Figure 2 4 Installing a hot plug power supply 9 Install the hot plug power supplies 1 10 Push the power supply handles to the closed position 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 3 Setting up and Installing the Interconnect Switch Replacing an Existing Interconnect Tray To replace an existing interc
66. in sequence to re enable the escape character The following 2 text is displayed Command D isconnect C hange settings R eboot Switch E xit command mode Press D to disconnect your session If you changed the speed previously you must reset your terminal to 9600 baud to continue The following text is displayed Command D isconnect C hange settings R eboot Switch E xit command mode D The console speed is being set back to 9600 bps Change your local speed back to 9600 and press Enter to continue 22 Press Enter to close your connection to the switch module F 8 HP ProLiant BL e Class C GbE Interconnect Switch User Guide G Port Trunking and Load Balancing in Blade Switches Introduction IEEE 802 3ad and EtherChannel compatible port trunks allow multiple physical Ethernet links to be combined into one logical channel trunk This allows load sharing of traffic among the links in the port trunk as well as redundancy in the event that one or more links in the port trunk should fail Port trunks can be used to interconnect local area network LAN switches routers servers and clients via unshielded twisted pair UTP wiring or single mode and multi mode fiber A port trunk aggregates the bandwidth of up to eight compatibly configured ports into a single logical link Blade switches support a maximum of six port trunks All Ethernet ports support port trunks with no requirement that the ports be contiguous but
67. ironment may require additional settings such as VLAN configuration These basic areas are preceded by comments that include SM Use an editor such as WordPad or a standard Linux editor e Change the following settings if Manual IP settings are required lt SM Change the following settings if Manual IP settings are required gt IP ADDRESS GET IP FROM VALUE DHCP gt IP ADDRESS VALUE 10 90 90 90 gt SUBNET MASK VALUE 255 0 0 0 gt DEFAULT GATEWAY VALUE 0 0 0 0 gt lt MANAGEMENT_VID VALUE 1 gt IP ADDRESS HP ProLiant BL e Class GbE Interconnect Switch User Guide H 3 XML Configuration Change the following settings to match the remote TFTP server Lis SaS lt SM Change the following settings to match the remote TFTP server gt lt TFTP_SETTINGS gt SERVER PORT NUMBER VALUE 69 gt SERVER IP VALUE 10 90 90 90 gt FIRMWARE FILE PATH VALUE yourfirmware bin HISTORY LOG FILE PATH VALUE gt CONFIGURATION FILE PATH VALUE yoursparecfg xml gt TFTP SETTINGS Port 19 has been left Enabled on p Class interconnect switches port 23 on e Class This port may be Disabled and another Enabled per your environment Multiple uplink ports may be Enabled PORT CONFIGURATION VALUE 23 gt NAME VALUE IA Mgmt Module gt STATE VALUE Enabled gt FLOW CONTROL VALUE Enabled gt lt SPEED VALUE Auto gt lt PRIORI
68. itch interprets the contents and applies it to the system immediately The configuration settings are saved to NVRAM and become the current settings for the interconnect switch These settings are then used every time the interconnect switch is rebooted IMPORTANT The TFTP server must be running TFTP server software to perform a file transfer TFTP server software is included as part of the Windows utilities package User Account Information User account information is not saved in the XML configuration file for security reasons and must be managed by the interconnect switch administrator User account information can be manually added to the XML configuration file after it is uploaded or it can be re entered using the CLI menu driven interface or Web based interface root is a special user name and is preserved even if lt USER ACCOUNTS LIST RESET True gt Any other user name such as Administrator with root privileges is deleted along with all other users HP ProLiant BL e Class GbE Interconnect Switch User Guide H 1 XML Configuration Safe Mode When inserting a new or replacement interconnect switch into a production environment you must be certain that the interconnect switch configuration is compatible with the production network Compatibility with a network can include items such as e Non corruption of the network in general Corruption such as loops can occur within the network withou
69. l but is poorly suited to designing networks Know Which Links are Redundant Organize the redundant links and tune the port cost parameter of STP to force those ports to be in the blocking state For each VLAN know which ports should be blocking in a stable network A network diagram that shows each physical loop in the network and the ports that break each loop is extremely helpful Minimize the Number of Ports in the Blocking State A single blocking port transitioning to the forwarding state at an inappropriate time can cause a large part of a network to fail Limiting the number of blocked ports helps to limit the risk of an inappropriate transition ee eee Trunk Trunk dit Figure D 9 Example 1 A common network design HP ProLiant BL e Class C GbE Interconnect Switch User Guide D 13 Spanning Tree Protocol The above graphic is an example of a common network design The switches C and D have redundant links to the backbone switches A and B using trunks Trunks by default carry all the VLAN traffic from VLAN 1 and VLAN 2 So switch C is not only receiving traffic for VLAN 1 but it is also receiving unnecessary broadcast and multicast traffic for VLAN 2 It is also blocking one port for VLAN 2 Thus there are three redundant paths between switches A and B and two blocked ports per VLAN This increases the chance of a data loop ad JEJE Blocked Vlan 1 Vlan 2 is nd Figure D 10 Exam
70. modern switches along with subnetting and other network practices have been very effective in controlling broadcast storms The best way to determine if a data loop exists is to capture traffic on a saturated link and check if similar packets are seen multiple times Generally if all the users of a given domain are having trouble connecting to the network at the same time a data loop can be suspected The port utilization data in the switch s console will give unusually high values in this case The priority for most cases is to restore connectivity as soon as possible The simplest remedy is to manually disable all of the ports that provide redundant links Disabling ports one at a time and then checking for a restoration of the user s connectivity will identify the link that is causing the problem if time allows Connectivity will be restored immediately after disabling a data loop D 12 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Spanning Tree Protocol Avoiding Trouble Below are some tips for avoiding trouble Know Where the Root is Located Although the STP can elect a root bridge a well designed network will have an identifiable root for each VLAN Careful setup of the STP parameters will lead to the selection of this best interconnect switch as the root for each VLAN Redundant links can then be built into the network STP is well suited to maintaining connectivity in the event of a device failure or remova
71. nect Switch User Guide A 1 Regulatory Compliance Notices European Union Notice CE Products bearing the CE marking comply with the EMC Directive 89 336 EEC and the Low Voltage Directive 73 23 EEC issued by the Commission of the European Community and if this product has telecommunication functionality the R amp TTE Directive 1999 5 EC Compliance with these directives implies conformity to the following European Norms in parentheses are the equivalent international standards and regulations e EN 55022 CISPR 22 Electromagnetic Interference e EN55024 IEC61000 4 2 3 4 5 6 8 11 Electromagnetic Immunity e EN 60950 IEC 60950 Product Safety BSMI Notice Tug IB SARA adm E GEHE AYRE Bienen TIE gt ARRIBO Po BEARER HARE gt Japanese Notice ORES liegen abide ERRBES VCC od EO TT AARP CT LOUIS KERE CHEAT Sb EE HEZE TIEREN ET pear META DDR Ze ET HLIBREANAZLEBHVIETF F A 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Table B 1 General Specifications Standards B Technical Specifications IEEE 802 1D Spanning Tree IEEE 802 1p QoS prioritization IEEE 802 1Q VLAN IEEE 802 3 10Base T Ethernet IEEE 802 3ab 1000Base T Ethernet IEEE 802 3ac Frame Extensions for VLAN IEEE 802 3ad Link Aggregation Protocol No LACP support IEEE 802 3u 100Base TX Fast Ethernet IEEE 802 3x Full
72. ng tagging if they are members of a VLAN After a port trunk is formed configuring the primary first port in that port trunk as tagged applies the configuration to all remaining ports in that port trunk Similarly configured trunk ports can be configured as a port trunk 802 1Q encapsulation if enabled takes place independently of the source destination load balancing mechanism of a port trunk The virtual LAN VLAN ID has no bearing on which link a packet takes 802 1Q simply enables that trunk to belong to multiple VLANs If trunking is not enabled all ports associated with the port trunk must belong to the same VLAN G 6 HP ProLiant BL e Class C GbE Interconnect Switch User Guide H XML Configuration Introduction Beginning in firmware version 2 0 0 interconnect switch firmware configuration files are specified in eXtensible Markup Language XML format In previous versions the configuration file was stored in binary format Binary configuration files saved from previous versions cannot be downloaded into firmware version 2 0 0 However previous configuration settings are preserved during the firmware upgrade to version 2 0 0 Trivial File Transfer Protocol TFTP services continue to be used to upload and download configuration files See the TFTP sections in the Web based CLI or menu driven interface reference guides When XML formatted configuration files are downloaded to the interconnect switch the interconnect sw
73. ning Tree Algorithm parameters and port status SNMP Manager Software If you use third party vendor SNMP software to manage the switch you can access proprietary enterprise MIBs for the switch The MIBs can be found on the ProLiant BL e Class C GbE Interconnect Switch Management System Utilities and User Documentation CD or with the interconnect switch utilities on the following website www compaq com support servers If your software provides functions to browse or modify MIBs you can also change the MIB values 1f the MIB attributes permit the write operation This process can be quite involved however because you must know the MIB OIDs and retrieve them one by one HP ProLiant BL e Class E GbE Interconnect Switch User Guide E 1 SNMP RMON MIBs Support Use an SNMP manager such as HP OpenView or IBM Tivoli NetView to access the enterprise specific MIBs Compile the MIBs into the MIB database and then use a MIB browser to navigate through them For detailed information access the individual descriptions of each MIB or refer to the documentation that came with your SNMP manager software Standard MIBs The SNMP agent for the switch supports the following standard MIBs e Bridge MIB RFC 1493 e MIB II RFC 1213 e Mini RMON MIB RFC 1757 Groups 1 Statistics 2 History 3 Alarm and 9 Event e 802 1p MIB RFC 2674 e 802 1q MIB RFC 2674 e Entity MIB RFC 2737 e F MIB RFC 2233 e Ethernet like M
74. nk failure within the group causes the network traffic to be directed to the remaining links in the group Trivial File Transfer Protocol Support The Trivial File Transfer Protocol TFTP service feature allows the interconnect switch firmware to be upgraded by downloading a new firmware file from a TFTP server to the switch modules A configuration file can also be loaded into a switch module from a TFTP server configuration settings can be saved to the TFTP server and a history log can be uploaded from the switch module to the TFTP server Store and Forward Switching Scheme The interconnect switch provides a store and forward switching scheme that allows each packet to be buffered stored before it is forwarded to its destination While this method creates latency it improves reliability in a heavily used interconnect switch Packets that cannot be forwarded are saved immediately rather than dropped and packets behind it are less likely to be dropped in periods of heavy usage HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 7 Introduction IEEE 802 1p Based Class of Service for Packet Prioritization Class of Service CoS for packet prioritization allows switch administrators to set priority levels on the interconnect switch for forwarding packets based on the priority setting information in the packets The interconnect switch supports four classes of traffic buffers or queues for implementing priority The int
75. nterconnect switch Topics covered include configuring VLANs and XConnect ports Using the TFTP Server Table I 3 contains general troubleshooting information about using a TFTP server to backup interconnect switch configuration or to configure multiple interconnect switches Upgrading Firmware using the Serial Port Table I 4 contains general troubleshooting information about upgrading system firmware using the serial console port For additional troubleshooting information refer to Appendix D Spanning Tree Protocol Appendix F Upgrading Firmware by Means of the Serial Port Appendix G Port Trunking and Load Balancing in Blade Switches Appendix H XML Configuration The following website www compaq com support HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 1 Troubleshooting Table l 1 Troubleshooting Setting Up and Accessing Problem Possible Cause Forgot the administrator Unknown user name and password that you configured on the switch module The interconnect switch Corrupted configuration file does not respond and will not boot Possible Solution Call HP technical support at 1 800 652 6672 or your service representative and provide your interconnect switch MAC address available on the MAC address label attached to your interconnect switch to get a unique switch password This password gives you Root privileges After receiving the password do the following 1 Reboot the swit
76. onnect switch and the TFTP server e Make sure the IP address of the TFTP server is correct e Make sure that the TFTP server and the interconnect switch are on the same network or VLAN e Make sure that you can ping the TFTP server from the interconnect switch and vice versa The TFTP server was started with a configured directory The interconnect switch must be configured using the full path name if it is not in the directory specified in the TFTP server HP ProLiant BL e Class C GbE Interconnect Switch User Guide Troubleshooting Table l 4 Troubleshooting Upgrading Firmware using the Serial Port Problem On the serial console Screen a message that interconnect switch failed to load runtime image firmware is displayed Possible Cause Runtime image firmware file got corrupted Possible Solution Download the new runtime image firmware file using the procedure in Appendix E Flash file system went bad partially Call your service representative From the serial console pressing the pound key during boot procedure does not force the interconnect switch into the download mode You did not press the pound key during the time the boot procedure responds to this special key Make sure to press the pound key immediately when you see the boot procedure starting POST Pressing the pound key in the middle of POST puts the interconnect switch into the download mo
77. onnect tray 1 Upload the current switch configuration to a TFTP server Refer to the Saving Settings to a TFTP Server section in the management interface reference guides IMPORTANT HP recommends saving the switch module configuration to a TFTP server once the switch module configuration is complete or has changed Figure 2 5 Removing a hot plug power supply 2 Press the port colored latch to release one hot plug power supply 1 IMPORTANT Port color indicates hot plug components Pull the handle to its open position 2 4 Slide the hot plug power supply out of the server blade enclosure 3 Repeat steps 2 through 4 to remove the other hot plug power supply Figure 2 6 Removing the old interconnect tray 6 Press both interconnect tray release buttons 1 2 4 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch Simultaneously pull both slate blue ejector levers toward the rear of the server blade enclosure 2 IMPORTANT Slate blue indicates internal touch point components Pull the existing interconnect tray out of the server blade enclosure Figure 2 7 Inserting the new interconnect tray and engaging the interconnect tray levers 9 10 Insert the new interconnect tray into the server blade enclosure 1 Simultaneously rotate both ejector levers to the locked position 2 S SS Sd Figure 2 8 Installing a hot plu
78. ot be used as a primary path For optimum performance use uplink ports from both switch modules HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 5 Introduction Supported Technologies The ProLiant BL e Class C GbE Interconnect Switch supports the following technologies Layer 2 Switching The ProLiant BL e Class C GbE Interconnect Switch uses 10 100 1000 Gigabit Layer 2 switching technology Layer 2 refers to the Data Link layer of the Open Systems Interconnection OSI model which is concerned with moving data packets across a network by enforcing Carrier Sense Multiple Access with Collision Detection CSMA CD This layer performs e Ethernet packet framing e MAC addressing e Physical medium transmission error detection e Medium allocation collision avoidance e Contention resolution collision handling Layer 2 switch technology allows the interconnect switch to look into data packets and redirect them based on the destination MAC address This technology reduces traffic congestion on the network because packets instead of being transmitted to all ports are transmitted to the destination port only IEEE 802 1Q Based Virtual Local Area Network The ProLiant BL e Class C GbE Interconnect Switch provides support for a total of 255 IEEE 802 10 Virtual Local Area Networks VLANs including user configurable and or dynamic registered for server grouping and isolation A VLAN is a network segment configure
79. ower supplies and fans Interconnect Switch Modules Two interconnect switch modules Switch A and Switch B in the interconnect switch provide switch redundancy and redundant paths to the network ports on the server blades Each interconnect switch has two GB uplink ports and direct connections to one of the two network interface cards NICs NIC 1 and NIC 2 on each server blade The interconnect switch reduces as many as forty 10 100 Ethernet ports on the server blade into as few as one up to four Gigabit uplink ports on the back of the system Redundant Crosslinks The two interconnect switch modules are connected through redundant 100 Mb crosslinks These two crosslinks provide an aggregate throughput of 200 Mb for traffic between the switch modules Redundant Paths to Server Blades The NICS of each server blade are routed through the enclosure s centerwall assembly to different switch modules By default NIC 1 on each server blade is routed to Switch A and NIC 2 on each server blade is routed to Switch B This configuration provides redundant paths to each server IMPORTANT On a heavily used system using a single uplink port for all 40 NICs can cause a traffic bottleneck For example if uplink 1 on Switch A is the only uplink used all traffic to and from NIC 2 on any of the server blades must travel over the crosslinks between Switch A and Switch B This path to the server blade NICs is intended as a failover route and should n
80. ple 2 A common network design In this example the VLAN definitions are extended to switches A and B This gives only a single blocked port per VLAN and allows the removal of all redundant links by removing switch A or B from the network D 14 HP ProLiant BL e Class C GbE Interconnect Switch User Guide E SNMP RMON MIBs Support Introduction Management and statistics information is stored in the interconnect switch in the Management Information Base MIB The interconnect switch supports several standard MIBs Values for MIB objects can be retrieved with any SNMP based network management software In addition to the standard MIBs the switch also supports its own proprietary enterprise MIB as an extended Management Information Base The proprietary MIB is retrieved by specifying the MIB Object Identifier OID at the network manager station MIB values can be either read only or read write variables e Read only MIB variables can be constants that are programmed into the switch or variables that change while the switch is in operation Examples of read only constants include the number and types of ports Examples of read only variables are the statistics counters such as the number of errors that have occurred or how many kilobytes of data have been received and forwarded through a port e Read write MIB variables are usually related to user customized configurations Examples include the IP address of the switch Span
81. r 15 Auto 1 Egress DEFAULT VLAN Server15_Port2 Yes 10 100 Server 16 Auto 1 Egress DEFAULT_VLAN Server16_Port2 Yes 10 100 Server 17 Auto 1 Egress DEFAULT_VLAN Server17_Port2 Yes 10 100 Server 18 Auto 1 Egress DEFAULT_VLAN Server18_Port2 Yes continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide C 7 Runtime Switching Software Default Settings Table C 3 Switch Module B continued Port Type Ul Speed VID VLAN VLAN Name Port Name STP Port Port Member ByPass Trunk AS Enabled 10 100 Server 19 Auto 1 Egress DEFAULT_VLAN Server19 Port2 Yes 10 100 Server 20 Auto 1 Egress DEFAULT VLAN Server20 Port2 Yes 10 100 XCon X Connect 21 Auto 1 Egress DEFAULT VLAN XConnect1 No nect 10 100 XCon X Connect 22 Auto 1 Egress DEFAULT VLAN XConnect2 No nect 10 100 IA NIC 23 Auto NA NA NA NA NA Mgmt 10 100 Uplink 24 Auto NA NA NA NA NA 10 100 1000 D Uplink 25 Auto 1 Egress DEFAULT VLAN SwitchB Uplink1 No 10 100 1000 D Uplink 26 Auto 1 Egress DEFAULT VLAN SwitchB Uplink2 No HP ProLiant BL e Class C GbE Interconnect Switch User Guide D Spanning Tree Protocol Introduction When Spanning Tree Protocol determines a port should be transitioned to the forwarding state the following occurs e The port is put into the listening state where it receives Bridge Protocol Data Units BPDUs and passes them to the GbE Interconnect Switch s CPU e f no BPDUs that suggest the por
82. r SNMP interfaces are not in the same VLAN Possible Solution e From the serial console interface on the Switch IP Settings screen make sure that the interconnect switch IP address is configured and valid on your network e Use the correct IP address to establish the Web connection with the interconnect switch From the serial console interface on the Advanced Switch Settings screen make sure the Web interface is enabled Disable the manual proxy settings on your Internet browser and let it automatically find Web servers using the IP address From the SNMP Manager Configuration screen make sure that security IP list or Management IP Station list has the IP address of your management station Make sure that the Management VLAN ID on the Switch IP Settings screen is the same as the VLAN ID of the port that is trying to make the Telnet Web or SNMP connection If not change it to match e From the serial console interface on the Switch IP Settings screen make sure that the interconnect switch IP address is configured and valid on your network e Use the correct IP address to establish the SNMP connection with the interconnect switch From the SNMP Manager Configuration screen make sure that security IP list or Management IP Station list has the IP address of your management station Make sure that the Management VLAN ID on the Switch IP Settings screen is the same as the VLAN ID of the port that is trying to m
83. ra ports for management debugging and port mirroring Interconnect Switch Redundancy The ProLiant BL e Class C GbE Interconnect Switch offers several redundancy and failover features The interconnect switch can be configured for continued network access to each server blade in case of system failure Interconnect switch redundancy features include Two separate switch modules for each ProLiant BL e Class C GbE Interconnect Switch Two Gigabit Ethernet uplink ports per switch module with a total of four per interconnect switch for designing fully meshed uplink paths to the network backbone Server networking connections routed to both switch modules for redundant paths to tolerate a switch module or a port malfunction Redundant data path 10 100 Ethernet cross connections between switch modules Spanning Tree Protocol support which eliminates potential problems caused by redundant networking paths and provides for failover with secondary path in case of primary path failure Power and cooling by the redundant hot plug power supplies and fans within the ProLiant BL e Class server blade enclosure Configuration and Management The ProLiant BL e Class C GbE Interconnect Switch provides the following configuration and management interfaces and tools A command line interface CLI and a menu driven interface allow local Telnet or Serial Line Internet Protocol SLIP access A browser based GUI allows remote access using a Web browser such
84. re file transfer is complete a download completed message is displayed Then the interconnect login screen is displayed Interconnect Switch HyperTerminal B m s Aoi xl File Edt View Cal Transfer Help B00000002 7f ed B000000027fed D00000002 7f ed B00000002 7f ed4 B00000002 7f ed B00000002 7f ed4 B00000002 7f edd Z Modem Can t Establish Connection with Sender Z Modem baud rate 115200 Z Modem Establishing Connection with Sender B00000002 7f ed B00000002 7f ed4 Z Modem Cleanup and Exit Download completed File size 801208 bytes Program runtime image Please wait loading Runtime image System self testing done s lal Connected 0 04 09 lvr100 152008 N 1 SCROLL caes NUM capture Print echo Figure F 7 Download completed message HP Proliant BL e Class C GbE Interconnect Switch B Copyright C gt 2661 2662 Hewlett Packard Development Company L P Switch MAC 88 82 85 D1 802 95 DUM IP 192 168 2 76 Username CIMA 1 1 Password DISCONNECT Figure F 8 ProLiant BL e Class C GbE Interconnect Switch login screen 19 Close your connection with the Integrated Administrator which will reset the Integrated Administrator console port to 9600 baud if you changed the speed previously HP ProLiant BL e Class C GbE Interconnect Switch User Guide F 7 Upgrading Firmware through the Serial Port 20 Press Ctrl _ twelve times
85. rver File name none Save Setting to TFTP Server File name none Save History Log to TFTP Server File name none PING Test Target address Undefined Repeat Infinite continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide Runtime Switching Software Default Settings Table C 1 Default Settings continued Setting Value Serial Port Baud Rate Fixed 115 200 VLAN Mode IEEE 802 1Q SNTP Disabled SNTP Server 1 0 0 0 0 SNTP Server 2 0 0 0 0 SNTP Poll Interval Time Zone Daylight Saving Time DST Offset in Minutes 720 seconds 06 00 Disabled 60 minutes Boot Time 0 days 00 00 00 Current Time System Uptime Unknown based on the elapsed time since boot Time Source System Clock HP ProLiant BL e Class C GbE Interconnect Switch User Guide Runtime Switching Software Default Settings Port Names VLANs STP By Pass Trunking Default Settings Table C 2 Switch Module A Port Ul Speed VID VLAN VLAN Name Port Name STP Port Type Port Member ByPass Trunk AS Enabled 10 100 Server 1 Auto 1 Egress DEFAULT_VLAN Serverl Porti Yes 10 100 Server 2 Auto 1 Egress DEFAULT VLAN Server2_Port1 Yes 10 100 Server 3 Auto 1 Egress DEFAULT_VLAN _ Server3_Port1 Yes 10 100 Server 4 Auto 1 Egress DEFAULT_VLAN _ Server4_Port1 Yes 10 100 Server 5 Auto 1 Egress DEFAULT_VLAN _ Server5_Port1 Yes
86. s 5 and 6 in Table 1 1 on the Integrated Administrator module Connecting an external device to these enclosure link RJ 45 connecters can damage the external device IMPORTANT Resetting the interconnect switch disconnects the server blades from the network while the switch is rebooting To reset the interconnect switch press the Reset button for at least four seconds To reset only the Integrated Administrator module press the Reset button for less than four seconds LED Indicators The ProLiant BL e Class C GbE Interconnect Switch LEDs provide information about switch health link speed and activity and stacking status 1 10 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Introduction dure A aaeeea d oe Q Xm o ROO duci SESEO D D Figure 1 4 Interconnect switch external panel LEDs Table 1 2 Interconnect Switch External Panel LEDs Item LED Description 1 Integrated Administrator module health Status Green Enclosure on Integrated Administrator health good Amber Integrated Administrator health degraded Red Integrated Administrator health critical Off 2 Enclosure off 2 Interconnect switch health Green Enclosure on interconnect switch health good Amber Interconnect switch health degrade
87. sabled State ite E Er EC m eee ech ean ode as EA eto D 7 Troubleshooting S TP 5 itii mee ce Pa eee oboe eet D 9 Spanning Tree Protocol Pailure ciao D 9 Full Half Duplex Mismatch naiinitan ida D 10 Unidirectional AA NOS D 11 iv HP ProLiant BL e Class C GbE Interconnect Switch User Guide Contents Packet Corruption s i70 sie tb br nein pd D 12 Resource Errors ern e e ettet ee e epi ite pree A ete EA OE ert RE D 12 Identifying a Data Loop iis sac rette te he egit dee eds erre tte esee EA D 12 Avoiding Trouble ores ett ette He eter PH e tere tete nta D 13 Appendix E SNMP RMON MIBs Support Introduction ce eren et vete RE RT EET ORE erede LP ee TE LET EET een EE EE STU E 1 SNMP Mariager SOM War rodent Or ORO EO Er ROS UR vende ROS EET E 1 Standard MIB SS ERE E 2 Enterprise Specitic MIB Si tai dte tne AA A E 2 SNMP Traps catt tale ltd Het id e tete beds E 3 Appendix F Upgrading Firmware through the Serial Port Appendix G Port Trunking and Load Balancing in Blade Switches Introductions idem eA I e e RR ete us G 1 Load Balancing Determining which Link to Send Traffic Across G 1 Default Settings for Load Balancing eese nennen nennen nnne nnne nennen rennen nennen G 2 Configuring Load Balancing on Blade Switches esee G 3 Hashing Algorithms for Load Balancing sees G 4 Redundancy What Happens When One Link in the Port Trunk Fails
88. serting the interconnect tray and engaging the interconnect tray levers 8 Insert the interconnect tray into the server blade enclosure 1 9 Simultaneously rotate both ejector levers to the locked position 2 Figure 2 12 Installing a hot plug power supply 10 Install the hot plug power supplies 1 11 Push the power supply handles to the closed position 2 HP ProLiant BL e Class C GbE Interconnect Switch User Guide 2 7 Setting up and Installing the Interconnect Switch Planning the Interconnect Switch Configuration Before you configure the switch modules HP recommends that you plan the configuration As you plan keep in mind the default settings security issues and privileges and whether you want to configure each switch module manually or configure multiple switch modules at the same time Default Settings IMPORTANT Refer to Appendix C for detailed default configuration settings The interconnect switch ships with a default configuration with all ports of both Switch A and Switch B enabled and assigned the same virtual LAN VLAN In addition the Integrated Administrator management connector connected to internal port 23 of Switch A is assigned to the same default VLAN This default configuration simplifies your initial setup by allowing you to use a single uplink cable from any external Ethernet connector to connect the server blade enclosure and its server blades to your network Keep in mind that
89. t BL e Class C GbE Interconnect Switch User Guide I 9 L RJ 45 Pin Specification When connecting the HP ProLiant BL e class C GbE Interconnect Switch to a switch bridge or hub a Category 5 Ethernet cable is necessary Review these products for matching cable pin assignments Figure J 1 displays the standard RJ 45 receptacle connector Table J 1 provides the pin assignments for the switch to network adapter card connection and for the Category 5 Ethernet cable for a switch to switch hub or bridge connection Figure J 1 Standard RJ 45 receptacle connector Table J 1 RJ 45 Connector Pin Assignments Contact Media Direct Interface Media Direct Interface Signal for 10 100 Signal for 1000T 1 Tx transmit BI_DA 2 Tx transmit BI DA 3 Rx receive BI_DB 4 Not used BI_DC 5 Not used BI_DC 6 Rx receive BI_DB 7 Not used BI_DD 8 Not used BI_DD HP ProLiant BL e Class C GbE Interconnect Switch User Guide J 1 A accessing switch procedure 2 14 troubleshooting 1 2 architecture switch 1 4 blocking state STP D 1 D 13 Bootstrap Protocol BOOTP overview 1 8 broadcast storm troubleshooting D 12 BSMI regulatory notice A 2 C cabling of switch procedures 2 10 specifications B 2 Canadian regulatory notice A 1 Carrier Sense Multiple Access with Collision Detection CSMA CD 1 6 Class of Service CoS packet prioritization overview 1 8 class of traffic overview 1
90. t enabling Spanning Tree Protocol STP e Security of connected network entities Security issues can arise as a result of configuration items including such attributes as subnet to subnet communication and blade to blade communication where communication between these entities is not acceptable e Security of the interconnect switch itself These attributes include controlled access to the interconnect switch such as user password and SNMP read write community string e Other configuration attributes such as VLAN settings The interconnect switch factory default as well as previously configured interconnect switches may not have configurations that are compatible with the production network If the configuration of the interconnect switch is not compatible with the production network the interconnect switch may be pre configured in a private network environment There are several preconfiguration options For example the interconnect switch may be configured for its exact position in the production network Another option is to partially configure the interconnect switch so that is is compatible with multiple positions in the production network The configuration can then be completed for the interconnect switch through scripting manual operation or a configuration download This more globally appropriate configuration is called a safe mode configuration Note that a single safe mode configuration may or may not be appropriate for all
91. t should go to the blocking state are received the BPDU packets from the CPU are processed The port waits for the expiration of the forward delay timer The port then moves to the learning state In the learning state the port learns station location information from the source address of packets and adds this information to its forwarding database The expiration of the forwarding delay timer moves the port to the forwarding state where both learning and forwarding are enabled At this point the port forwards packets Blocking State A port in the blocking state does not forward packets When the switch is booted a BPDU is sent to each port in the switch putting these ports into the blocking state A switch initially assumes it is the root and then begins the exchange of BPDUs with other switches This will determine which switch in the network is the best choice for the root switch If there is only one switch on the network no BPDU exchange occurs the forward delay timer expires and the ports move to the listening state All STP enabled ports enter the blocking state following switch boot A port in the blocking state does the following e Discards packets received from the network segment to which it is attached e Discards packets sent from another port on the switch for forwarding e Does not add addresses to its forwarding database e Receives BPDUs and directs them to the CPU HP ProLiant BL e Class C Gb
92. tallation and high performance in an environment where traffic on the network and the number of users increase continually Enterprise Class Performance The ProLiant BL e Class C GbE Interconnect Switch features include e Upto a 40 to 1 reduction in networking cables and connections by Converting forty 10 100 Ethernet networking ports to as few as one up to four Gigabit Ethernet networking ports Allowing the use of only one of the four Gigabit Ethernet networking ports to dramatically reduce the number of network cables required for a ProLiant BL e Class system Allowing use of the remaining Gigabit Ethernet ports to fit the bandwidth requirement Providing redundant networking paths to each ProLiant BL e Class server blade through redundant switching modules e Preconfiguration for immediate use with the ProLiant BL e Class server blade enclosure e Industry standard protocols compatible with other widely used networking components e Support for a total of 255 IEEE 802 1Q VLANs including user configureable and or dynamic register for server grouping and isolation e A variety of management interfaces HP ProLiant BL e Class C GbE Interconnect Switch User Guide Introduction Support for saving and downloading switch configurations to a TFTP server thus allowing for rapid deployment of multiple systems and backup and restore capabilities Uplink and management ports with link activity and speed indicators Ext
93. te The blocking port would have to have the BPDUs are dropped for 50 seconds at the default settings and a single BPDU would reset the timer If the max age is set too low this time is reduced Resource Errors The ProLiant BL e Class C GbE Interconnect Switch performs its switching and routing functions primarily in hardware using specialized ASICs STP is implemented in software and is thus reliant upon the speed of the CPU and other factors in order to converge If the CPU is over utilized it is possible that BPDUs may not be sent in a timely fashion STP is generally not very CPU intensive and is given priority over other processes so this type of error is rare Very low values for the max age and the forward delay can result in an unstable Spanning Tree The loss of BPDUS can lead to data loops The diameter of the network can also cause problems The default values for STP give a maximum network diameter of about seven hops This means that two switches in the network cannot be more than seven hops apart Part of this diameter restriction is the BPDU age field As BPDUs are propagated from the root bridge to the leaves of the spanning tree each bridge increments the age field When this field is beyond the maximum age the packet is discarded For large diameter networks STP convergence can be very slow Identifying a Data Loop Broadcast storms have a very similar effect on the network to data loops but broadcast storm controls in
94. twork cabling In addition there are two Integrated Administrator connectors one RJ 45 and one serial port that support remote and local out of band management of the interconnect switch through a browser SNMP RMON and Telnet console interfaces o wo 0000 o OUO ARS SLE p LM X See X M o ca aa Figure 1 3 Interconnect switch external panel HP ProLiant BL e Class C GbE Interconnect Switch User Guide 1 9 Introduction Table 1 1 Interconnect Switch External Panel Item Description Location 1 Gigabit Ethernet port 26 connector on Switch B Interconnect switch Gigabit Ethernet port 25 connector on Switch B Interconnect switch 3 Integrated Administrator management RJ 45 Integrated Administrator module connector Switch A Port 24 10 100 Ethernet 4 Integrated Administrator console connector serial Integrated Administrator module 5 Reserved for future use Integrated Administrator module 6 Reserved for future use Integrated Administrator module 7 Gigabit Ethernet port 26 connector on Switch A Interconnect switch 8 Gigabit Ethernet port 25 connector on Switch A Interconnect switch 9 Combined interconnect switch and Integrated Integrated Administrator module Administrator Reset button CAUTION Do not use the enclosure link RJ 45 connectors refer to item
95. u driven interface access the Configure Advanced Switch Features screen Toggle the Trunk Load Sharing Algorithm field to the appropriate selection E Telnet 16 74 31 79 Configure Advanced Switch Features Mi Never DA MAC Address Aging Time lt sec gt 388 IGMP Snooping lt Enabled gt Switch GURP lt Disabled gt Telnet Status lt Enabled gt Web Status lt Enabled gt Group Address Filter Mode lt Forvard fill Unregistered Scheduling Mechanism for CoS Queues lt Strict Trunk Load Sharing filgorithm lt Src Address gt Backpressure lt Disabled gt Function Select auto logout timer Message CTRL T Root screen Esc Prey screen CTRL R Refresh To configure the load balancing and forwarding method using the Web based interface access the Switch Information Advanced Settings screen Choose the appropriate selection in the Trunk Load Sharing Algorithm field HP ProLiant BL e Class C GbE Interconnect Switch User Guide G 3 Port Trunking and Load Balancing in Blade Switches 00 Forward All Unregistered y Strict Source Addr hr Disabled y Disabled y Hi Apply Hashing Algorithms for Load Balancing The hashing algorithms use the last three least significant bits LSB of the destination MAC address DA source MAC address SA or destination and source MAC address DA XOR SA and the number of links that are available to forward frames in that port trunk group as oper
96. ure you use the null modem cable provided by HP with this hardware Make sure the PC Terminal Emulation session settings match the Integrated Administrator serial settings IMPORTANT Refer to the menu driven interface reference guide for default serial settings if you are connecting to the interconnect switch via the Integrated Administrator serial port for the first time Note the reason for failure from the serial console screen message and call your service representative Press the Scroll Lock key on the keyboard and make sure that scroll lock is off continued HP ProLiant BL e Class C GbE Interconnect Switch User Guide l 3 Troubleshooting Table I 1 Troubleshooting Setting Up and Accessing continued Problem The interconnect switch fails to get its IP settings from DHCP server even though by default it is configured for DHCP NOTE If you are running in spanning tree mode it can take 60 90 seconds for the switch module to get its IP settings Cannot connect to the interconnect switch console interface remotely using Telnet Possible Cause The interconnect switch is not connected properly to the network The DHCP server is not available on the network or VLAN that is attached to the switch management port The DHCP server is not able to offer IP settings to the interconnect switch as it is out of available IP addresses The interconnect switch timed out its request for IP settings
97. your environment may require other configurations When planning the configuration consider the defaults for the following parameters e Switch IP settings e Virtual Local Area Network VLAN and GARP VLAN Registration Protocol GVRP settings e Spanning Tree Protocol STP settings e Port names and types e Port trunking settings e Class of Service CoS settings e Interswitch X connect port settings e Simple Network Management Protocol SNMP Remote Monitoring RMON settings e User name and password settings e Default access to various management interfaces e Internet Group Management Protocol IGMP Snooping settings e Simple Network Time Protocol SNTP settings 2 8 HP ProLiant BL e Class C GbE Interconnect Switch User Guide Setting up and Installing the Interconnect Switch Interconnect Switch Security When planning the configuration for a switch module secure access to the management interface by e Creating users with various access levels to the local console remote Telnet and Web interface Refer to Table 2 1 for the three levels of user access privileges e Enabling or disabling access to various management interfaces to fit the security policy e Changing default SNMP RMON community strings for read only and read write access Root User and User Privileges There are three levels of user privileges Root User and User Some menu selections available to users with Root privileges may not b

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