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Cabletron Systems 9A128-01 Network Card User Manual

1. Od a T 0 PA The 9A128 01 Module View Information displayed in the Module View window the Chassis Manager window hub management functions The 9A128 01 Module View window is the main screen that immediately informs you of the current configuration of your 9A128 01 via a graphical display of the two bridge ports and the FDDI A and B ports which provide connectivity to the FNB backplane The Module View does not currently provide a display which reflects the status of the front panel ATM ports The Module View window serves as a single point of access to all other 9A128 01 windows and screens which are discussed at length in the following chapters To access the 9A128 01 Module View window you can either double click on the appropriate device icon as illustrated in Figure 2 1 below or use the following menu or toolbar options x i Ez 94128 01 Figure 2 1 9A128 01 Icon 1 Using the mouse click on the 9A128 01 icon to be monitored The icon will be highlighted Note that all MMAC Plus devices share an icon 2 Select Manage gt Node from the primary window menu bar or select from the toolbar the Module View window will appear To model your 9A128 01 ATM Access Module as an individual device you must select Chassis Manager mode from the window that appears when you launch the icon Refer to your Using MMAC Plus Remote Management Guide for information on how to access the module view from the MMAC Plus Chassi
2. 20 seconds the allowable range is 6 to 40 seconds Changing Forwarding Delay Time If the selected module is the Root Bridge or attempting to become the Root and you want to change the time period the bridge will spend in the Listening state e g either listening to BPDU activity on the network while moving from the Blocking to the Learning state or in the Learning state while the bridge is moving from the Listening to the Forwarding state 1 Highlight the Forwarding Delay field and type in a new value 2 Click on Set The IEEE 802 1d specification recommends that Forward Delay 15 seconds the allowable range is 4 to 30 seconds To ensure proper operation of the Spanning Tree Algorithm the IEEE 802 1d specification recommends that you always observe the following relationship between Forwarding Delay and Max Age 2 x Forwarding Delay 1 0 gt Max Age Changing Port Priority 5 20 To change the part of the Port Priority used in priority comparisons 1 If necessary select the desired port by clicking the mouse to highlight the port in the lower right quadrant of the window The lower left quadrant of the window will now allow you to edit parameters for the selected port 2 Highlight the port Priority field and enter the new priority identifier Only valid hexadecimal numbers 0 to FF are allowed in this field The default is 80 hexadecimal 3 Click on Set The new port priority will be saved Bridge S
3. Utilities Menu 2 7 V VC MUX 802 3 Bridging 3 3 3 5 Virtual Channel Identifier VCI 3 3 Virtual Path Identifier VPI 3 3 W wrapped ring 4 6 X Xmitted 5 8 Index 3 Index Index 4
4. 1 In the Module View window click on Device to display the Device menu 2 Drag down to Bridge Status and release The appropriate Bridge Status window Figure 5 1 will appear Bridge Status x 172 19 59 56 00 00 1D 16 D4 E8 Up Time 8 day s 22 38 59 2 FORWARDING Lan Seg N A Lan Seg N A FDDI Ethernet 00 00 B8 68 5B 97 00 00 1D 16 DA E4 100M b s 155M b s Prev Help Next Cancel Figure 5 1 The Bridge Status Window The following information is provided by the Bridge Status window for each available bridging interface 5 2 The Bridge Status Window Bridging Up Time At the top of the Bridge Status window you can see the time period in a days hh mm ss format that has elapsed since the selected module was last reset or initialized Bridge State on Interface Indicates the state of bridging over the port interface Note that this state and its corresponding color code will also be reflected on the bridge port display in the Module View window Possible bridge states and their corresponding colors are e Forwarding green the port is on line and is configured by Spanning Tree Algorithm to forward frames to and from its attached network e Disabled blue bridging at the port has been disabled by management no traffic can be received or forwarded including configuration information for the bridged topology e Listening magenta this bridge port is not adding information to th
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6. 5 14 Delta 4 10 Designated Bridge 5 14 5 18 Designated Cost 5 18 Designated Port 5 14 5 18 Designated Root 5 18 Detect 4 3 device date 2 21 Device Menu 2 5 Device Name 1 3 device time 2 20 Device Type 2 13 Directed 4 3 DIS Disabled 2 10 DIS disabled 2 11 disable a bridge port 5 5 disabling a port 2 22 Discarded packets 2 18 5 12 dual homing 4 6 Dynamic entries 5 22 E enable a bridge port 5 5 enabling a port 2 22 Encapsulation Type 3 3 F FDDI connection rules 4 6 Forwarded from 5 10 Forwarded to 5 10 Forwarding 5 3 5 5 Forwarding Delay 5 17 Frame Errors 4 11 Frames Filtered 5 8 Frames Forwarded 5 7 FWD Forwarding 2 10 G GETTING HELP 1 4 Global Call Center 1 5 grouping of virtual connections 3 3 Index 1 Index H Hello Time 5 17 Help button 1 4 Help Menu 2 7 Hold Time 5 17 I F Summary interface performance statistics 2 15 I F Summary window 2 14 Interface Group window 2 17 interface type bridging 5 3 IP address 1 3 2 3 Isolated 4 3 L L Sta 2 15 Learned Database 5 21 Learned entries 5 22 Learning 5 3 5 5 LER Estimate 2 11 LER Estimate Values 2 11 LIS Listening 2 10 Listening 5 3 5 5 Load 2 16 Location 1 4 Lost Frames 4 11 LRN Learning 2 10 M MAC 4 1 MAC address 1 4 2 3 MAC Path 4 5 MAC State 4 3 Master M port 4 5 Max Age 5 17 Media Access Control 4 1 menu structure 2 4 MIB components 2 12 Module type 2 13 N network topolo
7. The ring is not operational the address of the MAC under control of the SMT entity has been found to duplicate that of another MAC on the ring The duplicate address condition prevented ring recovery and initialization after a claim and beacon process This state will not occur unless you are using locally administered addresses as factory set MAC addresses are guaranteed to be unique The ring is operational however the address of the MAC under control of the SMT entity has been found to duplicate that of another MAC on the ring Corrective actions will be attempted before the duplicate address condition causes ring initialization to fail after the claim and beacon recovery process Like Non Op Dup this state will not occur unless you are using locally administered addresses The beacon process did not complete within 7 seconds The selected SMT has directed the controlled MAC to send beacon frames to notify the other stations that a serious problem exists on the ring and a Trace state is soon to follow A problem exists on the ring which could not be corrected during the beaconing process and a Trace has been initiated During a Trace or Path Test the SMT sends a signal that forces its nearest upstream neighbor 4 8 FDDI Management 4 4 to remove from the ring and conduct a self test If the ring does not recover each subsequent upstream station will be forced to remove from the ring and conduct self tests until the
8. Bridge Status WAND OW cscs sissies chess carved etes estere sia dieses 5 2 Accessing Other Management Options from the Bridge Status Window essiens sse eene 5 3 Configuring Duplex Modes sse tnter 5 4 Enabling and Disabling Bridging sssssssssssssseeennee 5 5 Brdese Statistics natu teneo nena cdd eO tates 5 6 Performance Graphs M 5 6 Configuring the Bridge Performance Graphs sss 5 8 The Bridge Detail Breakdown Window enne tentat 5 8 The Bridge Port Detail Breakdown Window sene 5 9 The Interface Statistics WIBGOW auiem iani tct esiste oeste ide renid 5 10 Using Source AddressiNg sisisi ideii iri E ettet nennt 5 12 Setting th Ageing Time uiae tetris isiin 5 13 Bridge Spanning ree oec EO rE E EE E REE E EEEa 5 14 Configuring the Bridge Spanning Tree Window sse 5 15 Changing Bridge Spanning Tree Parameters sse 5 18 Changing Bridge PHOEID aue dee tetti nariais 5 19 Changing the Spanning Tree Algorithm Protocol Type 5 19 Changing Hello Ta sind cen ce cae reni ecards eire tette ohasenlebaturaits 5 19 Changing Max Age TIImPuain sieges iei iati i Bio e aaa 5 20 Changing Forwarding Delay Time terrent nantes 5 20 Changing Port Prlortby aiu eoi taba ica p itin nnani aer tied 5 20 Changing Path COSE o tao ansichs decade titres scia tates rete elici perlata ines 5 21 Filtering Database sensacon a
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10. Power Detail window that displays information about the power subsystem of the MMAC Plus chassis see the Cabletron Systems Using MMAC Plus Remote Management Guide for more information Environment View which launches the Environment View window which provides information of the environmental conditions associated with the modules in the MMAC Plus chassis see the Cabletron Systems Using MMAC Plus Remote Management Guide for more information FNB Configuration Non Mux which launches the FNB Configuration window that displays and allows you to configure your FNB s current configuration see the Cabletron Systems Using MMAC Plus Remote Management Guide for more information Bridge Status which opens a window that provides an overview of bridging information for each port and allows you to access all other bridge related options Refer to Chapter 5 Bridging for more information Find Source Address which opens a window that allows you to search the 9A128 01 s 802 1d Filtering Database to determine which bridging interface a specified source MAC address is communicating through If the MAC address is detected as communicating through the bridge the port display will flash to indicate the bridge interface of interest Exit which closes the 9A128 01 Module View window The Port Status Menu The Port Status menu allows you to select the status information that will be displayed in the Bridge and FDDI port text boxes in the Mo
11. Tree window 1 From the Bridge Status window click on Bridge to display the Bridge menu or From the Module View window click on the Bridge label in the module display the bridge menu will appear 2 Drag down to Spanning Tree and release The Bridge Spanning Tree window Figure 5 9 will appear Bridge Spanning Tree Bridging ERRARE EIE 172 19 56 222 07 00 00 00 00 00 Bridge Priority Time seconds Hello Time 2 I2 Protocol MaxAge 20 Hold Time 1 Root Cost 10 Now Using t Root Port 1 If this bridge is the root Priority Path Cost Priority 80 Path Cost o Designated Cost 0 Designated Root 00 00 1D 10 EE 96 Designated Bridge 00 00 1D 10 EE 96 Designated Port 8001 Topology Changed 625 Times Last Changed On 07 24 1997 at 10 01 58 Figure 5 9 Bridge Spanning Tree Window Configuring the Bridge Spanning Tree Window The Bridge Spanning Tree window displays STA parameters and allows you to alter parameters for the selected bridge as a whole and for each individual bridging interface The currently selected bridging interface is highlighted in the lower right quadrant of the window To alter the parameters of another interface click on the appropriate Port X name listed in the quadrant The Bridge Spanning Tree window provides the following bridge level information Bridge Priority This field displays the priority component of the module s unique
12. Virtual Channel Identifier you wish to assign to this connection Allowable values are 0 to 1023 for each VPI For example you could assign the same channel identifier say 25 as many as four times once with a VPI of 0 once with a VPI of 1 and so on Again remember that it is the combination of VPI and VCI that will be used to direct cells through the intermediate switches between the source and destination Configuring Connections ATM Configuration 4 Inthe Encapsulation Type field click on the down arrow located to the right of the field and drag down to select the desired encapsulation type Current versions of 9A128 01 firmware use 802 3 VC based multiplexing for bridging protocols designated VC MUX 802 3 Bridged future versions will add support for additional encapsulation methods Selecting any of the other encapsulation types listed in the field s menu will cause a Set gt Failed error when you attempt to add the new connection 5 Click _Add_ to add the new permanent circuit to the ATM interface The circuit is automatically enabled and will remain in place until it is manually removed Deleting a Connection To delete an existing PVC 1 In the connections list box click to select the connection you wish to delete 2 Click on Delete A confirmation window will appear listing the parameters assigned to the connection and asking you to verify that you wish to delete it Click on OK to proceed with
13. both unicast and non unicast received by the device interface and delivered to a higher layer protocol Packets received by the device interface that were discarded even though no errors prevented them from being delivered to a higher layer protocol e g to free up buffer space in the device Packets received by the device interface that contained errors that prevented them from being delivered to a higher layer protocol Packets received by the device interface that were discarded because of an unknown or unsupported protocol Octets transmitted by the interface including framing characters Packets transmitted at the request of a higher level protocol by the device interface to a subnetwork address both unicast and non unicast Outbound packets that were discarded by the device interface even though no errors were detected that would prevent them from being transmitted A possible reason for discard would be to free up buffer space in the device Outbound packets that could not be transmitted by the device interface because they contained errors The number of bytes processed by the indicated interface during the last poll interval in comparison to the theoretical maximum load for that interface type 1 Mbps for the SMB 1 management backplane 10 Mbps for the SMB 10 ethernet Viewing Module Information The 9A128 01 Module View management backplane 100 Mbps for FDDI or 155 Mbps for ATM Load is further define
14. bridge identifier The Spanning Tree Algorithm assigns each bridge a unique identifier which is derived from the bridge s MAC address and the Priority The bridge with the lowest value of bridge identifier is selected as the Root A lower priority number indicates a higher priority a higher priority enhances a bridge s chance of being selected as the Root You can edit this text box to change network topology if needed The default value is 8000 Bridge Spanning Tree 5 15 Bridging 5 16 Part of a bridge s Identifier is based on its MAC address In most network installations the difference between bridge performance may be negligible You may however find your data bottle necked in installations where both a low performance bridge and a high performance bridge are attached to the same LAN segment and the two or more bridges have the same Priority component set e g at the default 8000 Hex In such a scenario you may want to alter the Priority component of the higher performance bridge to ensure that it becomes root for the segment or overall root Remember if Priority components are equal the bridge on the segment with the lowest Hex value of MAC address would have a better chance of being selected as the root bridge as it would have a lower Bridge Identifier If your bridges come from multiple vendors they will have different MAC address values e g Cabletron devices have a lower MAC address than 3Com devices if
15. determine whether this port should be the Designated Port for the LAN to which it is attached Management also uses it to determine the Bridged LAN topology Topology This indicates how many times the bridge s Topology Change flag has been changed since the selected module was last powered up or initialized The Topology Change flag increments each time a bridge enters or leaves the network or when the Root Bridge ID changes Changing Bridge Spanning Tree Parameters 5 18 The Bridge Spanning Tree window allows you to update the following parameters for your bridge When you have finished making changes to the following individual parameters you must click on Set at the bottom of the Spanning Tree window to write the changes to the selected module Bridge Spanning Tree Bridging Any values you set at the bridge will cause a Topology Change flag to be issued in the next Configuration BPDUs it transmits This will cause the bridged network to immediately recalculate Spanning Tree and change topology accordingly Changing Bridge Priority To change the part of the bridge address that contains the identifier used in the Spanning Tree Algorithm for priority comparisons 1 Highlight the Bridge Priority field 2 Enter the new identifier in hexadecimal format the allowed range is 0 FFFF hexadecimal 3 Click on Set The selected Bridge Priority will be applied to the bridge a lower number indicates a higher priori
16. menu and drag right to select one of the available bridge port status display options as described below Viewing Module Information The 9A128 01 Module View Initially each FDDI port on the 9A128 01 will by default display its current connection status defined below to change this status display select the Connect or LER Estimate option on the Port Status menu as described in the following section Note that the status display of the bridge ports will remain the same when you change the port status display of the FDDI Ports to Connect however when you change the port status display of the FDDI Ports to LER Estimate the bridge ports will display Percent Errors Selecting a Port Status View To change the status view of your ports 1 Click on Port Status on the menu bar at the top of the Module View window a menu will appear 2 Drag down to Bridge and to the right to select the bridge port status information you want to display The bridge port text boxes will display the appropriate status information and or Drag down to select the FDDI port status information you want to display The FDDI port text boxes will display the appropriate status information Bridge Port Status Displays You can choose from 5 different bridge port display options I F Mapping If you choose the I F Mapping mode the interface boxes will display the interface number ifIndex associated with each bridge port on the 9A128 01 module I
17. on your 2E42 see Chapter 5 Bridging e Enable Disable Bridge which enables or disables bridging across the entire 9A128 01 The menu accessed from the FNB label provides only the Module Type option The Port Menus The port menu selections vary according to the port s functionality The menu for the two bridging ports offers the following selections e Performance Graph which brings up windows that visually display bridging performance at the selected port see Chapter 5 Bridging for details e Source Addressing which launches a window displaying the MAC addresses of all devices communicating through the selected bridging interface see Chapter 5 Bridging for details e I F Statistics which launches a Statistics window which displays interface statistics for the port see Chapter 5 Bridging for details e Enable Disable which administratively turns the selected bridging port on or off see Enabling and Disabling Ports page 2 21 for more information The FDDI port menus offer only two selections Enable Port and Disable Port Note that you can enable and disable the A and B ports separately if you wish disabling only one of the pair however will cause a wrap condition Port Status Displays 2 8 When you open the Module View each bridge port on the 9A128 01 will by default display the bridge port state defined below to change the bridge port status display select the Bridge option on the Port Status
18. problem has been corrected While the test is being conducted ring management re enters the isolated state SMT Version Displays the version number of the Station Management SMT entity SMT provides the system management services for the FDDI protocols including connection management node configuration error recovery and management frame encoding SMT frames have a version ID field that identifies the structure of the SMT frame Info field The version number is included in the SMT frame so that a receiving station can determine whether or not its SMT version is able to communicate with the SMT version of another station Knowing the version number allows the stations to handle version mismatches Each FDDI station supports a range of SMT versions The supported version range is identified within the ietf fddi MIB by two smtTable attributes snmpFddiSMTLoVersionId and snmpFddiSMTHiVersionld If a received frame is not within the supported version range the frame is discarded T Req Requested Target Token Rotation Time The token rotation time bid made by the selected SMT entity during ring initialization Each station detecting that the ring must be initialized begins a claim token process and issues a stream of Claim Frames which negotiate the value assigned to the Target Token Rotation Time TTRT The information field of these frames contains the issuing station s bid for the value of TTRT Each claiming station inspects incoming Cla
19. will always display 0 Concentrator Non M Ports This field display the number of non Master ports A B or ports on the device that are associated with the selected SMT entity The 9A128 01 supports only two FDDI ports the backplane A and B ports that supply each device s connection to the FDDI FNB backplane Number of MACs The number of Media Access Control entities present on the device associated with the selected SMT entity For the 9A128 01 this number will be 1 MAC Path Indicates the configuration of the MAC in respect to the logical ring as determined by the Connection Management CMT portion of SMT CMT controls the establishment of a media attachment to the FDDI network the connections with other nodes in the ring and the internal configuration of the various entities within a node CMT provides the link confidence test and specifies a Link Error Monitor LEM which monitors active links on a per link basis to ensure that failing links are detected and if required removed from the network Possible values are e Primary indicates that the MAC is inserted into the primary path of the currently used FNB ring e Secondary indicates that the MAC is inserted into the secondary path of the currently used FNB ring e Local means that the MAC is not inserted into a primary or secondary path of a dual ring but may be connected to one or more other nodes This is not a valid value for the 9A128 01 Isolated means that
20. your Microsoft Windows User s Guide Getting Help from the Cabletron Systems Global Call Center If you need technical support related to SPECTRUM Element Manager or if you have any questions comments or suggestions related to this manual or any of our products please feel free to contact the Cabletron Systems Global Call Center via one of the following methods By phone Monday through Friday between 8 AM and 8 PM Eastern Standard Time at 603 332 9400 By mail Cabletron Systems Inc PO Box 5005 Rochester NH 03866 5005 By Internet mail support ctron com FTP ftp ctron com 134 141 197 25 Login anonymous Password your email address By BBS 603 335 3358 Modem Setting 8N1 8 data bits 1 stop bit No parity For additional information about Cabletron Systems products visit our World Wide Web site http www cabletron com For technical support select Service and Support Getting Help 1 5 Introduction Firmware Versions Supported SPECTRUM Element Manager support for the 9A128 01 module has been tested against firmware versions up to 2 10 13 If you have an earlier version of firmware and experience problems contact Cabletron Systems Global Call Center for upgrade information As a general rule firmware versions for new products are liable to change rapidly contact Cabletron Systems Global Call Center for upgrade information for the latest customer release of firmware Firmware Versions Supported
21. 2 19 59 80 04 00 00 00 00 00 URS Mods OBI AO AC MAC Address Node Class Topology Upstream Neighbor 00 00 B8 28 1F C4 Station 00 00 B8 08 77 76 00 00 B8 08 77 76 Station 55 00 20 00 EC 20 55 00 20 00 EC 20 Station 00 00 B8 B2 5E 2E 00 00 B8 B2 5E 2E Station 00 00 B8 E8 5E B7 DO 00 B8 E8 5E B Concentrator 55 00 20 00 BA 20 55 00 20 00 B4 20 Station 00 00 B8 48 43 42 00 00 B8 48 43 42 Concentrator 00 00 B8 C8 25 92 00 00 B8 C8 25 92 Station 00 00 B8 28 05 44 DO 00 B8 28 05 44 Station 00 00 B8 E8 93 9C 10 00 00 B8 E8 93 9C Station 00 00 B8 68 5B 97 11 00 00 B8 68 5B 97 Station 00 00 B8 48 35 4C O CO 4 CD Cl 4 wr a 12 00 00 B8 48 35 4C Station 00 00 88 28 1F C4 Address Mode Print Help Refresh Cancel Figure 4 4 The Station List Window The Station List provides the following information about the ring with which the SMT is currently associated Number of Nodes The number of stations inserted into the FDDI ring with which the SMT entity is currently associated Address Mode Displays the current mode being used to display the addresses of the devices in the Station List The two possible modes are Canonical FDDI or MAC Ethernet To change the current Address Mode click on the Address Mode button at the bottom of the window The current address mode will change in the Address Mode field and the Stations panel 4 8 Station List FDDI Management Stations Panel Station List The Stations Panel displa
22. 8 01 s internal clock e System Group which allows you to manage the 9A128 01 via SNMP MIB II Refer to the Generic SNMP User s Guide for further information e I F Summary which lets you view statistics displayed both graphically and numerically for the traffic processed by each network interface on your device and provides access to some SNMP MIB II windows See Viewing I F Summary Information page 2 14 for details Viewing Module Information 2 5 The 9A128 01 Module View 2 6 ATM Connections which launches the window that allows you to view and configure Permanent Virtual Circuits PVCs for the 9A128 01 s front panel ATM interfaces For more information about configuring PVCs see Chapter 3 ATM Configuration The next four menu options will appear depending on the configuration and services available in the MMAC Plus chassis that this module is inserted within for more information on management operations directly related to the monitoring and control of the MMAC Plus Chassis see the Cabletron Systems Using MMAC Plus Remote Management Guide Power Supply which launches the Power Supply window that displays information about each power supply and it s associated cooling fan in your MMAC Plus chassis You can also control the operation of the cooling fan from this window see the Cabletron Systems Using MMAC Plus Remote Management Guide for more information Chassis Power Detail which launches the Chassis
23. A128 01firmware allow values from 0 3 Virtual Path Identifiers are used to group virtual connections allowing for channel trunking between ATM switches Each VPI can be configured to carry many different channels designated by VCIs between two points Displays the Virtual Channel Identifier assigned to the connection allowable values are 0 1023 for each VPI Each assigned VCI must be unique within its defined VPI for example you can assign a VCI of 14 as many as four times once with a VPI of 0 once with a VPI of 1 and so on Remember it is the combined VPI and VCI designations assigned to a channel that creates the grouping of virtual connections Displays the method used to encapsulate LAN packets on the selected circuit Current versions of 9A128 01 firmware use 802 3 VC based multiplexing for bridging protocols designated VC MUX 802 3 Bridged future versions will add support for ATM Forum LAN Emulation and Cabletron s SecureFast Switching You may also see some connections assigned a type of other these are default connections that cannot be modified or deleted Displays the current administrative status of the connection enabled or disabled In current versions of firmware all connections are enabled by default and cannot be disabled The length of time the selected connection has been enabled You can only view current connections you will not be allowed to add new connections delete existing connections
24. Addresses window from the Module View by clicking w gt on the bridge interface of interest and selecting the Source Addressing option The Port Source Addresses window displays the MAC addresses of all devices that have transmitted packets that have been forwarded through the selected bridging interface during the last cycle of the Filtering Database s defined ageing timer learned addresses that have not transmitted a packet during one complete cycle of the ageing timer are purged from the Source Address Table For more information on the Filtering Database see Filtering Database on page 5 21 Setting the Ageing Time To alter the Source Address Ageing Time 1 Click the l bar cursor qu next to the Device Ageing Time field The Device Ageing Time window Figure 5 8 will appear Enter Device Ageing Time 300 Eng Cancel Figure 5 8 Device Ageing Time Window Using Source Addressing 5 13 Bridging 2 Type in the new Ageing Time allowable range is 10 to 1 000 000 seconds the default is 300 seconds 3 Click OK to accept the new Ageing Time or click Cancel to exit the window without making changes Note that the Source Addresses Ageing Time is the same as the Ageing Time displayed and configured via the Filtering Database window setting the Ageing Time in the Source Addresses window also changes the time in the Filtering Database window and vice versa Bridge Spanning Tree 5 14 The Bridge Span
25. Cabletron Systems for Windows 95 and Windows NT 2 e NBR620 9E312 12 s CSX200 FN10 E FDMMIM ATX eolo ETSMIM m t SE m 7C03 EMME EMM E6 mr ETWMIM Kj zi IRM3 a TRMM MRXI22 TRBMIM 9A128 01 Management Module Guide for Microsoft Windows CABLETRON The Complete Networking Solution Notice Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made The hardware firmware or software described in this manual is subject to change without notice IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Virus Disclaimer Cabletron has tested its software with current virus checking technologies However because no anti virus system is 10076 reliable we strongly caution you to write protect and then verify that the Licensed Software prior to installing it is virus free with an anti virus system in which you have confidence Cabletron Systems makes no representations or warranties to the
26. F Speed If you choose the I F Speed mode the interface boxes will display the bandwidth of each individual bridge port on the 9A128 01 module e g 100 Mbits sec I F Type If you choose the I F Type mode the interface boxes will display the interface type of each bridge port on the 9A128 01 module e g Eth Ethernet The Bridge Port State and Bridge Mapping status modes will not be supported for devices which have been configured for SecureFast switching Firmware versions 2 10 13 and earlier do not support the ability to select SecureFast switching if you have a later version of firmware check your hardware manual to see if your version of firmware supports this feature The toggle from traditional bridging to SecureFast switching is performed via Local Management see your Local Management documentation for details Viewing Module Information 2 9 The 9A128 01 Module View Bridge Port State If you choose the Bridge Port State mode a bridge port is considered FWD Forwarding if the port is on line and forwarding packets across the 9A128 01 from one network segment to another DIS Disabled if bridging at the port has been disabled by management no traffic can be received or forwarded on this port including configuration information for the bridged topology LRN Learning if the Forwarding database is being created or the Spanning Tree Algorithm is being executed because of a network topology change The port
27. Manager Cabletron Systems Using MMAC Plus Remote Management User s Guide Cabletron Systems SPECTRUM Element Manager Tools Guide Cabletron Systems SPECTRUM Element Manager Remote Administration Tools User s Guide Cabletron Systems Network Troubleshooting Guide Microsoft Corporation s Microsoft Windows User s Guide For more information about the capabilities of the 9A128 01 consult the appropriate hardware documentation Related Reading Introduction Software Conventions The SPECTRUM Element Manager user interface contains a number of elements which are common to most windows and which operate the same regardless of which window they appear in A brief description of some of the most common elements appears below note that the information provided here is not repeated in the descriptions of specific windows and or functions Common Window Fields Similar descriptive information is displayed in boxes at the top of most windows in SPECTRUM Element Manager as illustrated in Figure 1 1 below Device Name Location IP Address MAC Address Y Bridge Status x 172195856 00 00 1D 16 DA E8 Up Time 8 day s 22 38 59 Bridge Lan Seg N Lan Seg N FDDI Ethernet 00 00 B8 68 5B 97 00 00 1D 16 D4 EA 100M b s 155M b s Figure 1 1 Sample Window Showing Group Boxes Device Name Displays the user defined name of the device The device name can b
28. Source Address The following window will appear Find Source Address x DO 00 00 00 00 00 Cancel Help Figure 2 10 Find Source Address Window 3 Inthe text field in the middle of the window enter a valid MAC address in Hex format and then click If the address is found in the 802 1d Bridge Filtering Database the port through which the address is communicating will flash in the front panel Module View port display If the address is not found in the Filtering Database a separate window will appear with a Can t Find Source Address message Managing the Hub In addition to the performance and configuration information described in the preceding sections the Module View also provides you with the tools you need to configure your hub and keep it operating properly Hub management functions include setting device date and time and enabling and disabling ports Setting the Device Date and Time From the Device menu you can select the Edit Device Time and Edit Device Date options to change the date and time stored in the device s internal clock To edit the device time 1 Click on Device on the Module View window menu bar to access the Device menu drag down to Edit Device Time and release 2 The Device Time change window Figure 2 11 will appear 2 20 Managing the Hub The 9A128 01 Module View Pipe m Figure 2 11 New Time Window 3 Enter the new time in a 24 hour hh mm ss format ei
29. You can change the Receive port of an address entry in the scrollable panel so that a frame must be received at the specified port for the filtering action to apply To do so click on the Receive port in the panel With each click the Receive port will cycle to the next port from promiscuous to 1 to 2 and back to Changing the Port Filtering Action You can change the Port Filtering action at each bridge port from its current action to the opposing action 1 Maneuver the scroll bar until the desired port is in the Port Filtering panel 2 Click on the port to alter its filtering action from forwarding frames from the associated address T to filtering frames 2 or vice versa Adding or Deleting Individual Entries You can add or delete entries individually from the Filtering Database To add an address 1 Click on the New button in the lower left of the window A window Figure 5 11 will appear Filter Database New Filter Filter Address AUAA IU A Help fo Receive Port Figure 5 11 Filter Database New Filter Window 5 26 Filtering Database Bridging 2 Inthe Filter Address field type in the address Hex format for which you desire bridging Be sure to add as a separator between each byte in the address 3 In the Receive Port field type in the port at which the address must be detected for bridging to take place If you enter a value of 0 in this field the Receiv
30. a bridge port 1 Click on the appropriate Bridge Port to display the bridge port menu 2 Drag down to Enable to enable the selected port or to Disable to disable the port For more information about bridging functions and how to determine the current state of each bridge port see Chapter 5 Bridging From the port menus on the two FDDI ports in the 9A128 01 Module View window you can enable and disable either port To enable or disable a port 1 Click on the desired Port button The Port menu will appear 2 Click on Enable Port to enable the port or Disable Port to disable the port Your port will now be enabled or disabled as desired You can separately enable and disable the A and B ports which provide the backplane FNB connection however disabling only one of this port pair will cause a wrap condition on the backplane ring Managing the Hub Chapter 3 ATM Configuration Viewing connection data configuring Permanent Virtual Circuits PVCs adding and deleting connection entries The ATM interfaces provided by the 9A128 01 module provides the connectivity that allows you to merge ATM network segments with traditional LAN technologies via the FDDI FNB backplane Current versions of 9A128 01 firmware use 802 3 VC based multiplexing for bridging protocols to move PVC traffic between the ATM front panel connection and the switching backplane and support ATM Forum LAN Emulation future versions will add support for Cabl
31. and EtherTalk are trademarks of Apple Computer Inc SmartBoost is a trademark of American Power Conversion ST is a registered trademark and C is a trademark of AT amp T Banyan and VINES are registered trademarks of Banyan Systems Inc cisco ciscoSystems and AGS are registered trademarks and cBus cisco Router CRM IGS and MGS are trademarks of cisco Systems Inc GatorBox is a registered trademark and GatorMail GatorMIM GatorPrint GatorShare GatorStar GatorStar GX M and XGator are trademarks of Cayman Systems Inc CompuServe is a registered trademark of CompuServe Incorporated X Window System is a trademark of Consortium Inc CTERM DECnet and ULTRIX are registered trademarks and DEC DEC C DECnet DOS DECstation VAX DOCUMENT VMA and VT are trademarks of Digital Equipment Corporation Fore Systems ForeRunner and ForeRunner ASX 100 are trademarks of Fore Systems Inc PC TCP is a registered trademark of FTP Software Inc HP OpenView is a registered trademark of Hewlett Packard Inc AIX IBM OS 2 NetView and PS 2 are registered trademarks and AT Micro Channel PC PC DOS PC XT Personal Computer AT Operating System 2 Personal System 2 RISC System 6000 and Workplace Shell are trademarks of International Business Machines Corporation 1960 microprocessor is a registered trademark and Intel and Multichannel are trademarks of Intel Corporation Microsoft MS DOS and Windows are registered trademarks of
32. arious menus Viewing Module Information The 9A128 01 Module View Device Type Edit Device Tit oe VE Menina it Device Time i Edit Device Dale Connect it Speed SMT1 gt Configuration LER Estimate Bri E State Connection Policy oe Bridge Mapping Station List ATM Connections Performance ie sac T G 9A128 134 141 56 222 Pill EA E eee gi Device Port Status FDD lies Hepy MIBs Supported FNB Configuration Non Mux EE EE Chores Menager tien Bridge Status 2 UpTimeN 0 day s 01 35 27 Abot ee es Find Source Address Paj rwo acr Port Statux Default i Exit MAC 00 00 1D 14 F 8 44 Boot Prom 1 02 01 MIB Tools Firmware 41 17 02 Module Type Time 13 36 21 Performance Graph pee UEN Spanning Tree Filtering Database Module Type Duplex Modes Enable Port Enable Bridge Disable Port Disable Bridge Performance Graph Source Addressing I F Statistics Enable Disable Figure 2 3 9A128 01 Module View Menu Structure The Device Menu From the Device Menu at the Module View window menu bar you can access the following selections e Device Type which displays a window containing a description of the device being modeled 9A128 01 ATM FDDI Bridge with 1 ATM and 1 FNB connection Edit Device Time and Edit Device Date which allow you to set the 9A12
33. ated Permanent Dynamic or Static entry and has corresponding filtering information Filtering Database Bridging Receive Port Indicates the number of the port on which a frame must be received in order for the entry s Port Filtering information to apply An asterisk indicates that the receive port is promiscuous and applies to all ports of the bridge assuming no conflicting entry applies You can change the receive port as described in the following section Port Filtering Indicates the action that will take place at each bridge port when it receives frames from the selected address entry A green arrow indicates that the frames received from the address will be forwarded to the port s associated segment 9 1 A red circle indicates that frames will be filtered blocked from the port s associated segment 62 You can change the Port Filtering action as described in the next section Use the scroll bars to view the filtering forwarding status for all available ports only two consecutive ports are displayed simultaneously Configuring the Filtering Database You can configure the Filtering Database by e Altering the Ageing Time for Dynamic and Learned entries e Changing the type of entry with the Type buttons Changing the Receive port for the filter e Changing the Port Filtering action at each bridge port e Adding or deleting individual Filtering Database entries e Clearing all Permanent Static or Dynamic entri
34. ated entry type Permanent Static Dynamic or Learned will be displayed in the scrollable table of address entries A check next to the entry type indicates that it will be displayed Type Indicates the type of entry in the database Number Displays the current number of Permanent Static Dynamic and Learned Address entries Capacity Indicates the total capacity of each entry type in the Static and Learned databases Ageing Time Indicates the length of time in seconds that Dynamic and Learned Addresses in the Source Address Table are allowed to remain inactive before they are dropped from the database The allowable time range for these entries is 10 to 1 000 000 seconds Ageing time is not applicable to Static or Permanent entries You can configure this field as described in the next section The following fields are applicable to the scrollable Address Entry panel of Filtering Database entries Address Lists the addresses for which the bridge s Filtering Database has forwarding and or filtering information Type Indicates the type of an entry in the database The possible types are Static Dynamic Learned Self or Permanent You can alter the entry type as described in the next section Source Port Indicates the port number on which the address entry was first detected A question mark indicates that the address entry was not a learned entry but Port Filtering information applies to it i e the entry is a cre
35. cable to the selected interface Ei Bridge Performance Graph x 16 51 13 07 24 97 16 50 45 07 24 97 93 Bole 172 19 56 222 07 00 00 00 00 00 Forwarded Time in Seconds Filtered Total Errors Xmitted 16 51 13 07 24 97 Help Detail Cancel En BER Bridge Statistics Figure 5 3 Bridge Performance Graph To access the port level Bridge Performance Graph windows 1 From the Bridge Status window click on the appropriate port button 1 to display the port menu or From the Module View window click on the appropriate Port Index on the bridge port display the Port menu will appear 2 Drag down to Performance Graph and release The port level Bridge Performance Graph window will appear For each chosen statistic Performance Graphs display both average and peak activity as well as the date and time the peak values were recorded average values are also displayed graphically The Average statistics are updated every two seconds as averaged over the previous four two second intervals the graphical display also updates at two second intervals For the first 60 seconds of graphing you will note the graph lines extending as each interval s data is added to the graph Once the first 60 seconds has passed the newest data is added at the right edge of the graph and the oldest data is scrolled off to the left Available performance statistics are Forwarded Green Forwarded The numbe
36. can still communicate with each other but they can t communicate with the bridge and other networks connected to the bridge When you enable a port the port moves from the Disabled state through the Learning and Listening states to the Forwarding or Blocking state as determined by Spanning Tree To enable or disable bridging at the port interface level from the Bridge Status window 1 Click on the desired Port button 1 to display the port menu 2 Drag down to Enable to restart bridging on the selected interface or Disable to halt bridging across the selected interface Enabling and Disabling Bridging 5 5 Bridging To enable or disable bridging at all ports from the Bridge Status window 1 Click on Bridge to display the bridge menu 2 Drag down to Enable Bridge to restart bridging across all interfaces or Disable Bridge to halt bridging across all interfaces You can also disable bridging across all ports or for an individual bridge port on from the Module View window see Enabling and Disabling Ports in Chapter 2 for details Bridge Statistics The following sections describe the Statistics windows available for the selected bridge both at the device and port levels Performance Graphs 5 6 You use the Bridge Performance Graphs to view a color coded strip chart that shows you the traffic being bridged through all networks or an individual network supported by your device You can configure the display to show
37. d by the following parameters In Octets The number of bytes received by this interface expressed as a percentage of the theoretical maximum load Out Octets The number of bytes transmitted by this interface expressed as a percentage of the theoretical maximum load Rate The count for the selected statistic during the last poll interval The available parameters are the same as those provided for Raw Counts Refer to the Raw Counts section above for a complete description of each parameter Interface Statistics Window The Interface Statistics window Figure 2 9 provides MIB II interface statistical information including counts for both transmit and receive packets and error and buffering information for each available port interface Color coded pie charts also let you graphically view statistics for both received and transmitted Unicast Non Unicast Discarded and Error packets To open the Interface Statistics window 1 Inthe I F Summary window click to select the interface for which you d like to view more detailed statistics 2 Click on Detail The appropriate Interface Statistics window Figure 2 9 will appear ZAG Statistics Interface 3 x at r E 172185880 UE 00 00 00 00 00 Description FDDI 1 port Address O0 D0 1D 14 F8 23 Type fddi Received Packets Transmitted Packets Unicast 284630 INon Unicast 15131 D Iro p 1 Unkn
38. d by this bridge port You can lower a port s Path Cost to make the port more competitive in the selection of the Designated Port for example you may want to assign a lower path cost to a port on a higher performance bridge The allowable range is 1 to 65535 Designated Cost Displays the cost of the path to the Root Bridge of the Designated Port on the LAN to which this port is attached This cost is added to the Path Cost to test the value of the Root Path Cost parameter received in Configuration BPDUs Designated Root Displays the unique bridge identifier of the bridge that is assumed to be the Root Bridge Designated Bridge Displays the network address portion of the Bridge ID MAC address priority component for the bridge that is believed to be the Designated Bridge for the LAN associated with this port The Designated Bridge ID along with the Designated Port and Port Identifier parameters for the port is used to determine whether this port should be the Designated Port for the LAN to which it is attached The Designated Bridge ID is also used to test the value of the Bridge Identifier parameter in received BPDUs Designated Port Displays the network address portion of the Port ID which includes a manageable Priority component of the port believed to be the Designated Port for the LAN associated with this port The Designated Port ID along with the Designated Bridge and Port Identifier parameters for the port is used to
39. dule View window Bridge allows you to select one of five status type displays for the bridge ports I F Mapping I F Speed I F Type Bridge Port State or Bridge Mapping Viewing Module Information The 9A128 01 Module View e Connect will display the each FDDI port s connection status e LER Estimate will display the cumulative long term average of the bit error rate for each FDDI port which represents the quality of the physical link When you select the LER Estimate port status display this port status display will be reflected in both the bridge and FDDI ports The FDDI ports will display the LER Estimate while the bridge ports will display the Percent Errors For more information on the bridge and FDDI port display options available via this menu see Selecting a Port Status View page 2 9 The FDDI Menu The FDDI menu provides the following options which allow you to monitor and manage the 9A128 01 s connection to the FNB FDDI backplane Configuration Connection Policy e Station List e Performance Refer to Chapter 4 FDDI Management for details on these options The Utilities Menu The Utilities menu provides access to the MIBTools utility which provides direct access to the 9A128 01 s MIB information The MIB Tools selection is also available from the Tools menu at the top of the SPECTRUM Element Manager primary window refer to your Tools Guide included in this package for a thorough explanation
40. e Filtering Database The port is monitoring Bridge Protocol Data Unit BPDU traffic while preparing to move to the Forwarding state e Learning magenta the Forwarding database is being created or the Spanning Tree Algorithm is being executed due to a network topology change the port is monitoring network traffic learning network addresses e Blocking orange Spanning Tree Algorithm has configured this port to block filter frames to prevent redundant data loops in the bridged network the port can t receive or forward traffic but bridge topology information will be forwarded Broken red the physical interface has malfunctioned Interface Type Indicates the interface type which applies to each bridge port interface fddi atm or other for the INB The interface type ifType is a mandatory object type from the SNMP MIB II Interface IF Group Bridge Address Indicates the physical MAC address of the bridge port Speed Indicates the theoretical maximum speed of the selected interface in kilobytes per second 2500 Mbits for the INB interface 100 Mbits for FDDI and 155 Mbits for ATM Accessing Other Management Options from the Bridge Status Window At the top of the Bridge Status window you can click on Bridge to access a menu that provides other bridge management options The Bridge Status Window 5 3 Bridging A Module Type window that contains a description of the 9A128 01 module see Viewing Ha
41. e Port is considered promiscuous i e any port and will be designated by an in the Address Entry panel 4 Click on OK 5 Specify the Port Filtering action on the address entry as described in the previous section To delete an address 1 Click to highlight the address entry in the Address Entry panel that you wish to delete from the filtering database 2 Click on Delete Clearing All Permanent Static or Dynamic Entries To erase all Permanent Static or Dynamic entries from the Filtering Database dick on the associated Clear button in the upper portion of the window Filtering Database 5 27 Bridging 5 28 Filtering Database A Absolute 4 10 ACT active 2 11 Address Mode 4 8 Ageing Time bridging 5 22 5 24 ATM 3 1 B BLK Blocking 2 10 Blocking 5 3 5 5 Board Menus 2 7 Boot Prom revision 2 3 bridge port state 5 3 Bridge Priority 5 15 Bridge Protocol Data Units BPDUs 5 14 bridging interface status 5 2 BRK 2 10 Broken 5 3 buffer space 2 18 5 12 C Cabletron Systems Global Call Center 1 5 Cancel button 1 4 channel trunking 3 3 claim token process 4 4 CMT 4 1 4 5 color codes 2 12 color coded port display 2 2 command buttons 1 4 Concentrator M Ports 4 5 Concentrator Non M Ports 4 5 Configuration window 4 2 Connection Management 4 1 4 5 Connection Policy window 4 6 connection rules 4 6 Connection State 2 11 Connection Status 2 3 Cumulative 4 10 D data loops 5 3
42. e changed via the System Group window see the Generic SNMP User s Guide for details IP Address Displays the device s IP Internet Protocol Address this will be the IP address used to define the device icon IP addresses are assigned via Local Management they cannot be changed via SPECTRUM Element Manager Software Conventions 1 3 Introduction Location Displays the user defined location of the device The location is entered through the System Group window see the Generic SNMP User s Guide for details MAC Address Displays the manufacturer set MAC address of the channel through which SPECTRUM Element Manager is communicating with the device MAC addresses are factory set and cannot be altered Using Buttons The _Cancel button that appears at the bottom of most windows allows you to exit a window and terminate any unsaved changes you have made You may also have to use this button to close a window after you have made any necessary changes and set them by clicking on an OK Set or Apply button OK t or Apply button appears in windows that have configurable me it allows you to confirm and SET changes you have made to those values In some windows you may have to use this button to confirm each individual set in other windows you can set several values at once and confirm the sets with one click on the button he _ Help button brings up a Help text box with information specific to the current
43. e placed in parallel e With the Filtering Database window you can see the contents of the Static and Learned databases the two address databases which construct the IEEE 802 1 Source Address Table The bridge uses the contents of these databases to make its packet filtering and forwarding decisions You can configure entries in these databases to increase bridging efficiency across your network The following sections detail how to use each of the bridge management windows Be Bridging By default the 9A128 01 perform traditional switching or bridging Firmware version 2 10 13 and earlier do not support the ability to select SecureFast switching if you have a later version of firmware check your hardware manuals to see if your version of firmware supports this feature The toggle from traditional bridging to SecureFast switching is performed via Local Management see your Local Management documentation for details Bridging related windows will not be available for devices which have been configured for SecureFast switching The Bridge Status Window The Bridge Status window provides you with basic information about the current status of bridging across your 9A128 01 Color coding of each port display allows you to quickly ascertain the status of each interface The Bridge Status window also lets you access further windows to control bridging parameters To access the Bridge Status window from the Module View window
44. effect that the Licensed Software is virus free Copyright 1997 by Cabletron Systems Inc All rights reserved Printed in the United States of America Order Number 9031589 03 August 1997 Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 Cabletron Systems SPECTRUM BRIM DNI FNB INA Integrated Network Architecture LANVIEW LANVIEW Secure Multi Media Access Center MiniMMAC and TRMM are registered trademarks and Bridge Router Interface Modules BRIM A100 CRBRIM W E CRXMIM CXRMIM Desktop Network Interface Distributed LAN Monitoring Distributed Network Server DLM DNSMIM E1000 E2000 E3000 EEDMIM EMM E6 EMME EPIM EPIM 3PS EPIM A EPIM C EPIM F1 EPIM F2 EPIM F3 EPIM T EPIM T1 EPIM X ESXMIM ETSMIM ETWMIM FDCMIM 04 FDCMIM 08 FOMMIM FDMMIM 4 Flexible Network Bus FOMIM FORMIM HubSTACK IRBM IRM IRM 2 IRM 3 Media Interface Module MicroMMAC MIM MMAC MMAC 3 MMAC 3FNB MMAC 5 MMAC 5ENB MMAC 8 MMAC 8ENB MMAC MSENB MMAC Plus MRX MRXI MRXI 24 MultiChannel NB20E NB25E NB30 NB35 NBR 220 420 620 RMIM SecureFast Switch SecureFast Packet Switching SFS SFPS SPECTRUM Element Manager SPECTRUM for Open Systems SPIM A SPIM C SPIM F1 SPIM F2 SPIM T SPIM T1 TPMIM TPMIM 22 TPMIM T1 TPRMIM TPRMIM 36 TPT T TRBMIM TRMM 2 TRMMIM and TRXI are trademarks of Cabletron Systems Inc AppleTalk Apple Macintosh and TokenTalk are registered trademarks and Apple Remote Access
45. ene tnmen 2 12 Viewing Hardware Types ccscscscecsessssssescecenesescsesssneesesescesesescecenenesesesnsnsneness 2 13 Device Ty peisen a a a ii aE 2 13 ModuleTypes crate nue qut aedi pibe tas 2 13 Viewing I F Summary InfOFraatigEiusasdensno sr tentis nsi dedii 2 14 Interface Performance Statistics Bar Graphs A pta Meat epa Eo ERRARE T 2 15 Interface Statistics Window sse 2 17 Making Sense of Interface Statistics 2 19 Using the Find Source Address Feature ien eene iore cottura section 2 19 M naging th PMG MM 2 20 Setting the Device Date atid Tinie assisas ror inisini 2 20 Enabling and Disabling Ports stsssrsissisisi eiiie nasii 2 21 inest 2 21 AS Kote bil cid Portscccoetentmonenm et emma 2 22 Chapter3 ATM Configuration Accessing the ATM Connections WindOw i eec inest eei ads per ci 3 1 Contents Chapter 4 Chapter 5 Index vi Configuring Connections is ier ettet HS nte IR Ren E FH EEEE SERIE EXE Fee eee ERE spetta 3 4 Adding a New Connection essent 3 4 Deleting a Connection intrent pierre te e er PIS HEP AREE Pe skenan 3 5 FDDI Management COD PUrdtiODn ueneno ndm eun Eee net 4 2 Connection Poly eise ute fede n reciente piede Peine i refer dep 4 6 Station LAS E E E nude d edu E 4 8 Dtations PATI css iieri etit tn d dtd rdiet ren Fiet d Ra E RH ri RE 4 9 Performance ennaii dram dpi v Deer cedit cia 4 10 Bridging The
46. es from the Filtering Database Note that although configuration changes will appear in the window no action actually takes place in the bridge s Filtering Database until you click on the OK button in the bottom right of the window This saves the new configuration If you change the window without clicking OK then attempt to exit the window by clicking Cancel a text box will appear stating Changes have been made Cancel them Click on Yes to exit the window without changing the Filtering Database or No to return to the window When you reconfigure the Filtering Database and click OK the screen will clear temporarily and a message will appear to indicate that the information is being updated When the changes have been successfully set and the Filtering Database has updated the screen information will be refreshed Filtering Database 5 25 Bridging Altering the Ageing Time To alter the Ageing Time for Dynamic and Learned entries 1 Highlight the Ageing Time field with the cursor 2 Typein the new Ageing Time allowable range is 10 to 1 000 000 seconds Changing the Type of Entry You can change any entry type from its current type Learned Self Permanent Static or Dynamic to either a Permanent Static or Dynamic entry To do so 1 Click on the shadowed Type button A menu will appear with the three possible types to which the entry can be changed 2 Highlight the desired type Changing the Receive Port
47. ese windows will generate Set Failed errors but will not affect the device s bridging functions To access the Duplex Modes window Click on Bridge to display the main Bridge menu 2 Drag down to Duplex Mode s and release The Duplex Modes Window Figure 5 2 will appear Configuring Duplex Modes Bridging lij Duplex Modes x aan a 172 19 56 222 07 00 00 00 00 00 Interface Full Duplex Interface 1 Interface 2 Interface 3 Interface 4 Cancel Help Figure 5 2 The Duplex Modes Window The main portion of the Duplex Modes window consists of a list of the interfaces available on the 9A128 01 module and their current Full Duplex state ON indicates that Full Duplex mode has been enabled for the selected interface OFF indicates that it has not N A indicates that Full Duplex is not available To configure the Duplex Mode for any standard Ethernet or FDDI interface 1 In the Duplex Modes window highlight the interface whose Duplex Mode you wish to change Note that only one interface can be selected at a time 2 Double click the selected interface to toggle the Full Duplex setting from ON to OFF or vice versa The set will take place immediately Enabling and Disabling Bridging When you disable a bridge port you disconnect that port s network from the bridge entirely The port does not forward any packets nor does it participate in Spanning Tree operations Nodes connected to the network
48. etron s SecureFast Switching An ATM network uses two types of virtual channels or circuits Switched Virtual Circuits or SVCs and Permanent Virtual Circuits or PVCs SVCs are created and dismantled dynamically on an as needed basis and require no management definition PVCs however must be manually configured The Current ATM Connections window provides the means for accomplishing these configurations For current firmware versions available for the 9A128 01 you can only view current connections you will not be allowed to add new connections or modify existing connections Accessing the ATM Connections Window To access the ATM Connections window from the Module View 1 Click on Device on the Module View menu bar to access the Device menu 2 Drag down to ATM Connections and release The Current ATM Connections window Figure 3 1 will appear 3 1 ATM Configuration VF 5 4 vc Mux 802 3 Bridged Add Delete Refresh Current ATM Connections 172 19 59 80 x Connection Data Due to a firmware VF Maximum Connections Current Configured anomaly Connection Data will not be available in Settings this window for the VF VPI VCI Encapsulation Type Status aus 9A128 Also you will YC MUX 802 3 Bridge Enabled day s VC MUX 802 3 Bridged Enabled o day s 00 17 47 not be able to set any new connections or modify any existing connections from this vcl Encapsula
49. f the destination address is not found in the Filtering Database the bridge forwards the packet to all networks To keep Filtering Database entries current older entries are purged after a period of time which is called the Dynamic Ageing Time The Filtering Database consists of two separate databases the Static and the Learned Databases The Static Database contains addresses that are entered by a network administrator You add these addresses directly to the database while the bridge is powered up or to the selected module s battery backed RAM so that they are stored on shutdown till the next power up The Learned Database consists of addresses that accumulate as part of the bridge s learning process as it is up and running These do not remain in the Source Address Table when the system is shut down The Learned Database also contains the addresses that are in the Static Database upon start up of the bridge Entries to the Source Address Table are one of four types Permanent Static Dynamic or Learned 5 21 Bridging 5 22 e Permanent entries are addresses that you add to the Static Database via the Filtering Database window that are stored in the selected module s battery backed RAM Since they remain in the module on shutdown or restart they are considered Permanent Static entries are addresses that you add to the Static Database via the Filtering Database window These entries remain in the selected modu
50. frames filtered forwarded and or transmitted as well as the number of errors The graph has an x axis that indicates the 60 second interval over which charting occurs continuously while its y axis measures the number of packets or errors that are processed by the selected module as a whole or by one of its bridging interfaces For the 9A128 01 selecting the Detail button on the device level performance graph window allows you to compare the packets forwarded filtered or transmitted across all networks supported by the 9A128 01 as well as errors on all networks for a selected bridged network the Detail button allows you to view the number of packets forward to or received from each other network supported by the 9A128 01 You can select the statistics you wish to monitor by using the menu buttons provided when you change Performance Graph parameters the graph will refresh and generate a strip chart based on the newly defined parameters To access the collective Bridge Performance Graph window 1 From the Bridge Status window click on Bridge to display the bridge menu or From the Module View window click on the Bridge label in the module display the bridge menu will appear Bridge Statistics Bridging 2 Drag down to Performance Graph and release The Bridge Performance Graph window Figure 5 3 will appear The individual port Bridge Performance Graph windows are similar except that they display a graph appli
51. g Sense of Interface Statistics The statistics available in this window can give you an idea of how an interface is performing by using the statistics in a few simple calculations it s also possible to get a sense of an interface s activity level To calculate the percentage of input errors Received Errors Packets Received To calculate the percentage of output errors Transmitted Errors Packets Transmitted To calculate the total number of inbound and outbound discards Received Discards Transmitted Discards To calculate the percentage of inbound packets that were discarded Received Discards Packets Received To calculate the percentage of outbound packets that were discarded Transmit Discards Packets Transmitted Using the Find Source Address Feature You can select the Find Source Address option to discover which bridging interface a specified source MAC address is communicating through When you select the Find Source Address option a search is made of the 802 1d Bridge Filtering Database to discover the bridge interface associated with the address that you specify If the search is successful the corresponding interface will flash in the Module View window For more information on the Filtering Database and bridging in general refer to Chapter 5 Bridging Use the Find Source Address option as follows 1 Click to display the Device menu Viewing Module Information 2 19 The 9A128 01 Module View 2 Dragto Find
52. ge the interval click to select the desired radio button in the Count Display panel in the top right hand corner of the window Performance FDDI Management Performance Available statistics are Transmit Frames The number of frames transmitted by the MAC associated with the SMT during the chosen interval Receive Frames The number of frames received by the MAC associated with the SMT during the chosen interval Frame Errors The number of error frames detected by the MAC associated with the SMT during the chosen interval that had not been detected previously by other stations Error frames may include frames with an invalid Frame Check Sequence FCS with data length errors or with internal errors that prevent the MAC from transferring the frame to the Logical Link Control LLC layer Lost Frames The number of frames detected by the MAC associated with the SMT during the chosen interval that have an unknown error so their validity is in doubt When the MAC encounters a frame of this type it increments the Lost Frame counter and strips the remainder of the frame from the ring replacing it with idle symbols Ring Ops The number of times the ring has entered the Ring Operational state from the Ring Not Operational state during the selected interval This counter updates when the MAC informs Station Management SMT of a change in Ring Operation status FDDI Management 4 12 Performance Bridging Bridge
53. gh they contained no errors that would prevent transmission Good packets are typically discarded to free up buffer space when the network becomes very busy if this is occurring routinely it usually means that network traffic is overwhelming the device To solve this problem you may need to re configure your bridging parameters or perhaps re configure you network to add additional bridges or switches Consult the Cabletron Systems Network Troubleshooting Guide for more information These statistics are displayed in the pie chart color coded magenta Error Displays the number of packets received or transmitted that contained errors These statistics are displayed in the pie chart color coded red Unknown Protocol Received only Displays the number of packets received which were discarded because they were created under an unknown or unsupported protocol Viewing Module Information The 9A128 01 Module View Packets Received Received only Displays the number of packets received by the selected interface Transmit Queue Size Transmit only Displays the number of packets currently queued for transmission from this interface The amount of device memory devoted to buffer space and the traffic level on the target network determine how large the output packet queue can grow before the 9A128 01 will begin to discard packets Packets Transmitted Transmit only Displays the number of packets transmitted by this interface Makin
54. ging Hello Time This parameter indicates in seconds the length of time the Root Bridge or bridge attempting to become the Root waits before resending Configuration BPDUs The range for this field is 1 to 10 seconds with a default value of 2 seconds The Root Bridge sets the Hello Time Max Age This parameter displays the bridge s BPDU ageing timer This controls the maximum time a BPDU can be retained by the bridge before it is discarded During normal operation each bridge in the network receives a new Configuration BPDU before the timer expires If the timer expires before a Configuration BPDU is received it indicates that the former Root is no longer active The remaining bridges begin Spanning Tree operation to select a new Root The current Root Bridge on the network sets the Max Age time The range for this field is 6 to 40 seconds with a default value of 20 seconds Forwarding Delay This parameter displays the time period which elapses between states while the bridge is moving to the Forwarding state For example while moving from a Blocking to a Forwarding state the port first moves from Blocking to Listening to BPDU activity on the network remains there for the Forward Delay period then moves to the Learning State and remains in it for the Forward Delay period and finally moves into a Forwarding state This timer is set by the Root Bridge During a topology change the Forward Delay is also used as the Filtering Databa
55. gy 5 14 Node Class 4 9 Non Op 4 3 Non Op Dup 4 3 Non Unicast 2 18 Non Unicast Multicast 5 11 Index 2 Not Available 4 3 Number of MACs 4 5 Number of Nodes 4 8 O OK button 1 4 P P Sta 2 15 Packets Received 2 19 5 12 Packets Transmitted 2 19 5 12 Path Cost 5 18 Performance window 4 10 Permanent entries 5 22 Permanent Virtual Circuits PVCs 3 1 port display color codes 2 2 Port Filtering 5 25 Port Menus 2 8 Port Status 2 3 port status color codes 2 12 Port Status Menu 2 6 Priority 5 17 Protocol bridging 5 16 R Rate 2 17 Raw Counts 2 16 Receive Frames 4 11 Receive Port 5 25 Requested Target Token Rotation Time 4 4 Ring Configuration 4 5 Ring Management 4 1 Ring Ops 4 11 Ring Op 4 3 Ring Op Dup 4 3 RMT 4 1 Root Bridge 5 14 5 16 Root Bridge selection process 5 14 Root Cost 5 16 Root Port 5 14 5 16 S SBY standby 2 11 Set button 1 4 SMT Connection Policy 4 6 SMT Version 4 4 Source Address Table bridging 5 21 Source Port 5 24 Index Spanning Tree Algorithm 5 14 Static Database 5 21 Static entries 5 22 Station List 4 8 Switched Virtual Circuits SVCs 3 1 T technical support 1 5 T Neg 4 4 lopology 4 9 Topology Change 5 18 Trace 4 3 Transmit Frames 4 11 Transmit Queue Size 2 19 5 12 transparent bridges 5 21 T Req 4 4 twisted ring 4 6 U Unicast 2 18 5 11 Unknown Protocol 2 18 5 12 Up Time 2 15 5 3 Upstream Neighbor 4 9 UpTime 2 3
56. have not changed the port status selection since launching the Module View window this field will display Default For more information about changing the port status display see Selecting a Port Status View on page 2 9 MAC The physical layer address assigned to the interface through which SPECTRUM Element Manager is communicating with the device Note that each interface on the 9A128 01 module has its own MAC address these addresses are hard coded in the device and are not configurable Boot Prom The revision of BOOT PROM installed in the 9A128 01 Firmware The revision of device firmware stored in the 9A128 01 s FLASH PROMs Viewing Module Information 2 3 The 9A128 01 Module View Time The current time in a 24 hour hh mm ss format set in the 9A128 01 s internal clock Date The current date in an mm dd yy format set in the 9A128 01 s internal clock You can set the date and time by using the Edit Device Date and Edit Device Time options on the Device menu see Setting Device Date and Time page 2 20 for details Menu Structure 2 4 By clicking on various areas of the 9A128 01 Module View display you can access menus which provide access to FDDI ATM MMAC Plus chassis and bridging configuration and performance information as well as utility applications and general device management functions The following illustration displays the menu structure and indicates how to use the mouse to access the v
57. hoosing the Device Type option on the Device menu brings up a window that describes the management device being modeled 94128 01 ATM FDDI Bridge with 1 ATM and 1 FNB connection Figure 2 6 Device Type Window Module Type From the Board menus labeled Bridge and FNB on the 9A128 01 Module View window you can view a description of the Module type for the 9A128 01 the same information provided in the Device Type window To view the Module type 1 Click on the Bridge or FNB Board label The Board menu will appear 2 Drag down to Module Type The Module Type text box Figure 2 7 will appear Viewing Module Information 2 13 The 9A128 01 Module View Module Type x 94128 01 ATM FDDI Bridge with 1 amp TM and 1 FNB connection Figure 2 7 Module Type Window Viewing I F Summary Information 2 14 The I F Summary option available from the Device menu lets you view statistics displayed both graphically and numerically for the traffic processed by each network interface on your device The window also provides access to a detailed statistics window that breaks down Transmit and Receive traffic for each interface To access the I F Summary window 1 From the Module View click on the Device option from the menu bar 2 Drag down to I F Summary and release The I F Summary window Figure 2 8 will appear 172185880 0000000000 pui EM Index Type Description P Sta LSta In Octets load s dic n
58. im frames from other issuing stations and either continues its own bid and removes the competing Claim Frame from the ring or defers halts transmission of its own bid and repeats the competing bid according to the following hierarchy of arbitration e AClaim Frame with the lowest TTRT bid has precedence e If the values of TTRT are equal the frame with the longest source address 48 vs 16 bits has precedence If both TTRT value and source address length are equal the frame with the highest address has precedence The 9A128 01 is shipped with a T Req 83 msec earlier versions of firmware or 6 msec later firmware versions T Req is stored within the MIB in units of nanoseconds one billionth of a second rather than milliseconds one thousandth of a second SPECTRUM Element Manager converts nanoseconds to milliseconds for display purposes You can use any SNMP Set Request tool to edit the T Req value just remember that you must enter your value in nanoseconds rather than milliseconds T Neg Negotiated The winning time negotiated in the ring initialization sequence Configuration FDDI Management Configuration Concentrator M Ports This field displays the number of Master M ports on the device that are associated with the selected SMT entity A Master port is a port that provides a connection for Single Attachment Station SAS devices to the FDDI network The 9A128 01 does not support M ports so this field
59. is monitoring network traffic and learning network addresses LIS Listening if the port is not adding information to the filtering database It is monitoring Bridge Protocol Data Unit BPDU traffic while preparing to move to the forwarding state BLK Blocking if the port is on line but filtering traffic from going across the 9A128 01 from one network segment to another Bridge topology information will be forwarded by the port BRK Broken if the physical interface has malfunctioned Bridge Mapping If you have selected the Bridge Mapping status mode the port display will alter to show the physical interface index ifIndex associated with each front panel bridge port Bridge Port Status Color Codes The Bridge Port Status Display options will use the following color code regardless of which bridge port status option is selected green forwarding blue disabled magenta learning and listening orange blocking and red broken The FDDI Port Status Displays When you open the Module View each FDDI port on the 9A128 01 will by default display its current connection status defined below to change this status display select one of the options on the Port Status menu as described in the previous section 2 10 Viewing Module Information The 9A128 01 Module View FDDI port status view options are Connection State The Connection State port display form indicates the port s connection status e CON co
60. itted menu will appear Click on the desired mode Once you have selected a new mode it will appear in its respective button and after the next poll the Performance Graph will refresh and begin to measure using the new mode The Bridge Detail Breakdown Window 5 8 The Bridge Detail Breakdown window allows you to compare the number of frames forwarded filtered and transmitted on the network segments connected to each bridging interface on your 9A128 01 as well as the number of errors experienced on each interface To access this window from the Bridge performance graph click on Detail The Bridge Detail Breakdown window Figure 5 4 will appear Bridge Statistics Bridging E Bridge Detail Breakdown 338873 NNI LAN3 fo N4 fo Forwarded Filtered Errors mitted 36763745 NN od N4 fo Cancel Help Figure 5 4 The Bridge Detail Breakdown Window The following information is available for the network segments connected to each of the bridge ports on the 9A128 01 The information is expressed both numerically and in pie charts Each port s network segment has a corresponding color for its statistics or pie chart segments LAN 1 red LAN 2 light green LAN 3 yellow LAN 4 blue The values given in these fields are cumulative totals read from the 9A128 01 Forwarded The total number of frames forwarded on each port s network segment Filtered The total number of frames filtered o
61. le s memory until it is shut down e Dynamic entries are addresses that you add to the Static Database via the Filtering Database window With the Ageing Time feature you set the time period that these addresses are saved in the Source Address Table Addresses that have not transmitted a packet during one complete cycle of the ageing timer are deleted from the database Learned entries are addresses that are added to the Learned Database through the bridge s learning process With the Ageing Time feature you set the time period that these addresses are saved in the Source Address Table Addresses which are inactive within a cycle of the ageing timer are dropped from the database Learned address entries are divided into two types Learned and Self Address entries classified as Learned have transmitted frames destined for a device attached to a segment connected to the selected module Address entries classified as Self are those that have sent a frame with a destination address of one of the selected module s bridging port At the Filtering Database window Figure 5 10 you can view the number of entries of each type Permanent Static Dynamic or Learned When you first initialize the Filtering Database window a message will appear to inform you that data is being retrieved The message will disappear when all information has been returned from the Filtering Database and you will be able to view and configure database entries Fi
62. le summarizes the FDDI connection rules Table 4 1 FDDI Connection Rules A V U V V U V P B V V U VVU VP S V U V U V V M V V V X V valid connection X illegal connection U undesirable but legal connection this requires that SMT is notified P valid but when both A and B are connected to M ports a dual homing configuration only the B connection is used Though technically legal under FDDI connection rules undesirable connections will LAN cause a twisted or wrapped ring 4 6 Connection Policy FDDI Management Each device has its own connection policy however when two devices attempt to connect their combined established connection policies dictate the connections that will be allowed In an attempted connection between two nodes the most lenient policy will determine whether the connection as long as it is legal can be made For example if two FDDI nodes attempt an A gt A connection and this connection is not allowed at one FDDI node but allowed at the other the connection would be accepted If the connection policy at both nodes disallows the connection the connection will be rejected This is a read only window you currently cannot edit the connection policy via SPECTRUM Element Manager You can use any SNMP Set Request or MIB tool to edit the Connection Policy for your w gt device by setting the fddimibSMTConnectionPolicy MIB OID part of the MIB II FDDI Transmissi
63. ltering Database Bridging Filtering Database Ea D ae 172 19 56 222 07 00 00 00 00 00 List Type Number Capacity Ageing Time Permanent Permanent Clear bsec pas n Ese 1 __ OnReset ES Source Receive Port Filtering Address Type Pot Pot s 4 gt 80 00 01 00 00 00 Permanent 00 00 1D 0E 4F 01 Learned 00 00 0C 07 AC 01 Static ME 00 00 81 04 17 03 Learned 1 00 00 1D 07 CB 03 POY i New Delete OK Cancel Help Figure 5 10 The Filtering Database Window A scrollable Address Entry panel allows you to e View the address entries in the Filtering Database e Alter an entry s type e g from Learned to Permanent Dynamic or Static e View and configure the bridging action taking place on the packets entering each of the bridging ports In addition you can use buttons to add individual addresses to or delete them from these databases or clear all Permanent Static or Dynamic entries in the database To access the Filtering Database window 1 Click on Bridge to display the Bridge menu or Click on the Bridge label in the module display the bridge menu will appear 2 Drag down to Filtering Database and release The Filtering Database window will appear Filtering Database 5 23 Bridging 5 24 The following fields are listed in the top portion of the Filtering Database window List The List checkboxes indicate whether the associ
64. management overview the Bridge Status window enabling and disabling bridging Bridge Performance Graphs bridge detail breakdown the Bridge Spanning Tree window changing bridge Spanning Tree parameters the Filtering Database window configuring the filtering database With SPECTRUM Element Manager s Bridge Status window you can view and manage each bridging interface supported by the 9A128 01 You manage your bridge by using the following windows e The Bridge Status window provides you with basic information about the current status of each available bridging interface and allows you to enable or disable bridging at each interface The Bridge Status window also provides access to additional windows which allow you to configure bridging parameters e The bridge level Duplex Modes option allows you to set Duplex Mode operation for the FDDI interface although the window is available duplex mode operation is not currently supported for the 9A128 01 e The Performance Graph and Interface Statistics windows graphically display the traffic passing between your bridged networks and let you compare and contrast traffic processed by each interface the Source Addressing window lists the MAC addresses of devices communicating through each interface e The Spanning Tree window shows bridge port information and protocol parameters relating to the Spanning Tree Algorithm the method of determining the controlling bridge when a series of bridges ar
65. n each port s network segment Errors The total number of frames either inbound or outbound containing errors which prevented them from being processed Xmitted The total number of frames transmitted over each port s network segment The Bridge Port Detail Breakdown Window Bridge Statistics For the selected bridge interface the Bridge Port Detail Breakdown window allows you to view the number of packets forwarded to or received from each of the other interfaces on your 9A128 01 To access the Bridge Port Detail Breakdown window from the port Bridge performance graph click on Detail The Bridge Port Detail Breakdown window Figure 5 5 will appear 5 9 Bridging P4Bridge Port 2 Detail Breakdown X Forwarded to Forwarded from Q ANT fo Mani 137521023 LAN2 Jo jLAN2 JO Cancel Help Figure 5 5 The Bridge Port Detail Breakdown Window The following information is available for each bridge interface on the 9A128 01 the information is expressed both numerically and in pie charts Forwarded to The number of frames forwarded by the selected bridge interface to each other interface on the bridge Forwarded from The total number of frames received by the selected bridge interface from each of the other bridge interfaces The Interface Statistics Window The Interface IF Statistics window Figure 5 6 provides MIB II interface statistical information including counts for bo
66. nd The lower LER Estimate numbers represent the highest bit error rates as summarized in the figure below 000000125 00000125 0000125 000125 00125 Bit Errors per Second 1 25 12 5 125 1250 12500 4 5 6 7 8 9 10 11 12 13 14 15 Reported LER Estimate Figure 2 4 LER Estimate Values Viewing Module Information 2 11 The 9A128 01 Module View The bridge ports will display Percent Errors when the LER Estimate port status display is selected Percent Errors are calculated by the following formula ErrorPkts ErrorPkts ValidPkts 100 where Error Pkts IflnErrors IfOutErrors ifInDiscards ifOutDiscards ifInUnknownProtos and ValidPkts ifInUcastPkts ifOutUcastPkts ifInNUcastPkts ifOutNUcastPkts FDDI Port Status Color Codes FDDI port status color codes always reflect the port s connection status even when the LER Estimate port display form has been selected Under that color coding scheme CON Connecting yellow ACT Active green SBY Standby red DIS Disabled red The Chassis Manager Window Like most networking devices Cabletron s devices draw their functionality from a collection of proprietary MIBs and IETF RFCs In addition Cabletron s newer intelligent devices like the 9A128 01 organize their MIB data into a series of components A MIB component is a logical grouping of MIB data and each group controls a defined se
67. neen E R dette tats e eret t toes 5 21 Configuring the Filtering Database test es ccrte tne rnntettaenbigs 5 25 Altering the Aoeino Tae aeo uud deor ipai cta ibt o et RI 5 26 Changing the Type of B lty aie eei ttai liners 5 26 Changing the Keteive Port 2o h orones ota siet aio bo deans 5 26 Changing the Port Filtering ACHOn iuce turiitate cies 5 26 Adding or Deleting Individual Entries sss 5 26 Clearing All Permanent Static or Dynamic Entries 5 27 Chapter 1 Introduction How to use this guide getting help software conventions related reading firmware versions Welcome to the Cabletron Systems MMAC Plus Remote Management for the 9A128 01 User s Guide We have designed this document to serve as a simple reference guide for using MMAC Plus Remote Management for the 9A128 01 FDDI ATM bridge module You should read through this guide to fully understand SPECTRUM Element Manager remote management for the 9A128 01 The 9A128 01 ATM Access Module provides two bridging interfaces which allow you to connect an external ATM network to either one of the two FDDI networks resident on the MMAC Plus hub s FNB backplane External front panel connections are made via a SONET OC3 ATM interface The 9A128 01 can be used to aggregate FNB traffic to an ATM backbone or provide connectivity between ATM workstations and traditional LAN users The 9A128 01 is an 802 3 LAN Emulation Clien
68. nical or MAC format as currently selected of each node s upstream neighbor 4 9 FDDI Management Performance 4 10 The Performance window Figure 4 5 provides graphical and numeric performance statistics for the selected SMT entity including Transmit Frames Receive Frames Frame Errors Lost Frames Ring Ops Ei Performance SMT 1 x 1S LAB Count Display 172 19 59 80 04 00 00 00 00 00 Absolute C Cumulative System Uptime 0 days 09 15 18 C Delta Count Hpersecond 0 Be 100 Figure 4 5 Performance Window Statistics are displayed in three ways By count i e the number detected of each for the selected interval By rate i e the number of each per second as averaged over the selected interval Graphically as a percentage of each with respect to total network load processed by the selected interface during the last interval e g a transmit frames rate of 75 during a delta interval indicates that of all frames processed by the selected interface 75 were transmitted by that interface You can view performance for three different intervals Absolute Counts recorded since the selected module was last started Cumulative Counts recorded since the Performance window was opened Delta Counts recorded during a single polling interval that is set for SPECTRUM Element Manager refer to the Installing and Using guide for information on setting polling intervals To chan
69. ning Tree window allows you to display and modify the selected module s bridge port information and protocol parameters relating to the Spanning Tree Algorithm In a network design with multiple bridges placed in parallel i e attached to the same LAN data loops must be prevented The Spanning Tree Algorithm STA is the method that bridges use to communicate with each other to ensure that only a single data route exists between any two end stations On a LAN interconnected by multiple bridges Spanning Tree selects a controlling Root Bridge and Port for the entire bridged LAN and a Designated Bridge and Port for each individual LAN segment A Designated Port Bridge for a LAN segment forwards frames from that LAN towards the Root Bridge or from the Root Bridge onto the LAN All other bridge ports attached to that LAN are configured to filter block frames When data passes from one end station to another across a bridged LAN it is forwarded through the Designated Bridge Port for each LAN segment towards the Root Bridge which in turn forwards frames towards Designated Bridges Ports on its opposite side During the Root Bridge Selection process all bridges on the network communicate STA information via Bridge Protocol Data Units BPDUs With BPDUS all network bridges collectively determine the current network topology and communicate with each other to ensure that the topology information is kept current To access the Bridge Spanning
70. nnecting the port is trying to establish a link but has not yet been successful Ports which are not connected and which have not been disabled by management will display this status e ACT active the port has been enabled by management and has successfully established a link e SBY standby the port has a physical link but the SMT Connection Policy is prohibiting a logical connection to the ring because the attempted connection is illegal FDDI protocol always forbids connecting two master ports all other connections are theoretically legal although some are not desirable You can view the SMT Connection Policy by selecting the SMT Connection Policy option from the FDDI menu for more information see Chapter 4 FDDI Management e DIS disabled the port has been disabled by management note that this status does not indicate whether or not there is a physical link connected to the port LER Estimate The Link Error Rate LER Estimate port display form displays a cumulative long term average of the bit error rate which represents the quality of the physical link Itis computed when the port is connected and every 10 seconds thereafter The value of the LER Estimate can range from 10 to 10 but it is always displayed as the absolute value of the exponent for example if the port s LER Estimate is computed to be 10 the value displayed in the Port Status box will be 5 0 which represents an actual rate of 1 250 bit errors per seco
71. nown Protocol Received only Displays the number of packets received which were discarded because they were created under an unknown or unsupported protocol Packets Received Received only Displays the number of packets received by the selected interface Transmit Queue Size Transmit only Displays the number of packets currently queued for transmission from this interface The amount of device memory devoted to buffer space and the traffic level on the target network determine how large the output packet queue can grow before the 9A128 01 will begin to discard packets Packets Transmitted Transmit only Displays the number of packets transmitted by this interface Using Source Addressing gere You can use the Port Source Addresses window to view the MAC addresses that are communicating through a selected bridge interface To open the Source Addresses window from the Bridge Status window 1 Click on the individual index 1 of the bridge interface of interest The port menu will appear 2 Select Source Addressing The Source Addresses window Figure 5 7 will appear Using Source Addressing Bridging Gi Port 1 Source Addresses X ELI 172 19 56 222 07 00 00 00 00 00 00 00 0C 01 00 AB 00 00 0C 01 73 80 00 00 0C 01 73 AA 00 00 0C 02 10 EA 00 00 0C 03 E8 77 Device Ageing Time seconds Help X Cancel Figure 5 7 The Port Source Addresses Window You can also open the Port Source
72. of the MIB Tools utility The Help Menu The Help Menu has three selections e MIBs Supported which brings up the Chassis Manager window described on page 2 12 e Chassis Manager Help which brings up a help window with information specifically related to using the Chassis Manager and Module View windows e About Chassis Manager which brings up a version window for the Chassis Manager application in use The Board Menus The Board menu labeled Bridge provides access to most of the available bridging related selections which are also available from the Bridge Status window Viewing Module Information 2 7 The 9A128 01 Module View e Module Type which brings up a window containing a description of the 9A128 01 board see Viewing Hardware Types page 2 13 e Performance Graph which visually displays performance between all bridging ports on the 9A128 01 see Chapter 5 Bridging e Spanning Tree which allows you to set bridge parameters when it is operating using the Spanning Tree Algorithm STA the method that bridges use to decide the controlling root bridge when two or more bridges are installed in parallel see Chapter 5 Bridging for more information e Filtering Database which allows you to monitor and manage bridge forwarding and filtering across each port of the 9A128 01 see Chapter 5 for details e Duplex Modes which allows you to set Duplex Mode operation for standard Ethernet interfaces
73. on MIB RFC1512 fddimibSMTConnectionPolicy is simply a 16 bit integer value ranging from 32768 to 65535 that corresponds to the connection policy in the Reject X Y format where X represents a port on the FDDI Switch Module and Y represents the attaching node To set the connection policy for the device total the bit values corresponding to the desired connection policy according to the table below and then use your SNMP Set Request or Mib tool to set the value for the appropriate SMT index For example to set a connection policy that disallowed the undesirable A A or B B connections you would set the fddimibSM TConnectionPolicy MIB OID to 32 801 32 768 reject M M required 32 reject B B 1 reject A A Policy Power reject A A 28 1 reject A B a reject A S 2 4 reject A M 23 8 reject B A 24 16 reject B B 2 32 reject B S 2 64 reject B M 2 128 reject S A 28 256 reject S B 2 512 reject S S 210 1 024 reject S M 2 2 048 reject M A 212 4 096 reject M B 21 8 192 reject M S 214 16 384 reject M M 215 32 768 a permanently set value for this bit Connection Policy 4 7 FDDI Management Station List The Station List illustrates the configuration of the ring associated with the currently selected SMT entity including number of nodes on the ring node addresses both Canonical and MAC node class and ring topology Station List SMT 1 x IS LAB Number of Nodes 12 17
74. or modify existing connections on 9A128 01 s with the firmware currently supported 3 3 ATM Configuration Add Selecting the Add button either adds a new connection or modifies an existing one using the parameters entered in the fields below the list box A confirmation window will appear for both additions and modifications Delete Selecting the Delete button deletes the selected connection a confirmation window requires that you confirm the deletion Refresh Selecting Refresh refreshes the connection information displayed in the window Configuring Connections Adding a New Connection 3 4 To configure new Permanent Virtual Circuits PVCs enter the following information in the text fields which appear just below the settings list box Current versions of 9A128 01 firmware do not support the ability to add new connections delete existing connections or modify existing connections 1 In the I F text box click on the down arrow to the right of the text field and drag down to select the interface for which you wish to configure a connection All available ATM interfaces will be listed in this menu index 4 for the 9A128 01 2 Inthe VPI text box enter the Virtual Path Identifier you wish to assign to this connection Allowable values are 0 to 3 remember the VPI you assign will be used to group virtual connections allowing for channel trunking between ATM switches 3 In the VCI text box enter the
75. own Protocol OS Packets Received 299761 Cancel Help Figure 2 9 Interface Statistics Window 10494586 4227635662 0 Emo 0 0 Packets Transmitted 4238130248 Viewing Module Information 2 17 The 9A128 01 Module View 2 18 Three informational fields appear in the upper portion of the window Description Displays the interface description for the currently selected port Ctron SMB 1 Ctron SMB 10 FDDI or ATM Address Displays the MAC physical address of the selected port Type Displays the interface type of the selected port sdlc for SMB 1 ethernet csmacd for SMB 2 fddi or atm The lower portion of the window provides the following transmit and receive statistics note that the first four statistics are also graphically displayed in the pie charts Unicast Displays the number of packets transmitted to or received from this interface that had a single unique destination address These statistics are displayed in the pie chart color coded green Non Unicast Displays the number of packets transmitted to or received from this interface that had a destination address that is recognized by more than one device on the network segment The non unicast field includes a count of broadcast packets those that are recognized by all devices on a segment These statistics are displayed in the pie chart color coded dark blue Discarded Displays the number of packets which were discarded even thou
76. panning Tree Bridging Changing Path Cost To change the Path Cost 1 If necessary select the desired port by clicking the mouse to highlight the port in the lower right quadrant of the window The lower left quadrant of the window will now allow you to edit parameters for the selected port 2 Highlight the Path Cost field and type in a new value from 1 to 65535 decimal default is 100 decimal 3 Click on Set The new path cost will be applied to the port Filtering Database Filtering Database The Filtering Database which makes up the IEEE 802 1 Source Address Table is used to determine which frames will be forwarded or filtered between the selected module s bridging ports Transparent bridges like the 9A128 01 use the Filtering Database to determine a packet s route through the bridge During initialization the bridge copies the contents of its Permanent Database to the Filtering Database Next the bridge learns network addresses by entering the source address and port association of each received packet into the Filtering Database When in the Forwarding state the bridge examines each received packet and checks it against the contents of the Filtering Database If the destination address is located on the network from which the packet was received the bridge filters does not forward the packet If the destination address is located on a different network the bridge forwards the packet to the appropriate network I
77. plays the device s IP Internet Protocol Address this will be the IP address you have used to create the 9A128 01 module in the Chassis Setup window or the IP address used to create the device icon IP addresses are assigned via Local Management and cannot be changed via SPECTRUM Element Manager Note that although each interface on the 9A128 01 module has its own MAC or physical address only a single IP address is assigned Connection Status This color coded area indicates the current state of communication between SPECTRUM Element Manager and the 9A128 01 e Green indicates the 9A128 01 is responding to device polls valid connection e Magenta indicates that the 9A128 01 is in a temporary stand by mode while it responds to a physical change in the hub a board is inserted or removed or a board s FNB connection has been reconfigured note that board and port menus are inactive during this stand by state e Blue indicates an unknown contact status polling has not yet been established with the 9A128 01 e Red indicates the 9A128 01 is not responding to device polls device is off line or device polling has failed across the network for some other reason UpTime The amount of time in a days hh mm ss format that the 9A128 01 has been running since the last start up Port Status Indicates the Port Status display selection currently in effect for the FDDI port display The default port status view is connection status if you
78. r of frames forwarded by the bridge at the device or port level Nothing The Frames Forwarded function is currently not measuring any statistics bey Bridging Filtered Magenta Filtered The total number of frames filtered by the bridge at the device or port level Nothing The Filtered scale is not currently measuring the number of packets filtered by the bridge Total Errors Red Total Errors The total number of errors experienced by all bridging interfaces on the selected module or by an individual bridge interface Nothing The Errors scale is currently not measuring error packets coming through the device as a whole or a single port Xmitted Blue Xmitted The total number of frames transmitted by the selected bridge interface or by all bridge interfaces Nothing The Xmitted scale is not currently measuring the number of packets filtered by the bridge or the selected individual interface Configuring the Bridge Performance Graphs To configure the Bridge Performance Graph 1 Using the mouse click on Forwarded with green statistics to the right The Forwarded menu will appear Click on the desired mode 2 Clickon Filtered with magenta statistics to the right The Filtered menu will appear Click on the desired mode 3 Click on Total Errors with red statistics to the right The Errors menu will appear Click on the desired mode 4 Clickon Xmitted with blue statistics to the right The Xm
79. rdware Types in Chapter 2 for more information A Bridge Performance Graph that displays statistics for traffic across the entire bridge see Bridge Statistics page 5 6 A Performance Graph window is also available for each individual interface by clicking on a port index button to display the port level management options see Bridge Statistics page 5 6 The Spanning Tree window which allows you to set the Spanning Tree Algorithm parameters see Bridge Spanning Tree page 5 14 The Filtering Database window which lets you configure the bridge s acquired and permanent filtering databases to filter or forward traffic across the selected module see Filtering Database page 5 21 The Duplex Modes window which allows you to configure duplex mode on or off for standard Ethernet and FDDI interfaces see Configuring Duplex Modes below for details Configuring Duplex Modes 5 4 Enabling Full Duplex mode on an interface allows the interface to receive and transmit packets at the same time effectively doubling the available bandwidth and therefore the wire speed on the selected interface Interfaces which are not set to Full Duplex mode must receive and transmit separately waiting for one activity to be completed before the other is begun Although this option appears on the menu accessed from the Bridge Status window the Duplex Mode functionality is not supported by the 9A128 01 module Attempting to set options in th
80. rth in paragraph b of this clause Any other rights or limitations regarding the use duplication or disclosure of this computer software are to be expressly stated in or incorporated in the contract e This Notice shall be marked on any reproduction of this computer software in whole or in part Chapter 1 Introduction B nte orit M 1 1 Related Reading uro tert noe IUD LED eat SR 1 2 Software Conventions sissies eene enr iie nie ir reri iic er iiai 1 3 Common Window Fields sse 1 3 lu r 1 4 Getting Flelpuxnsanieaaataeietan che nen o od Wan EUR 1 4 Using Ondine Help ien rette e trt tm rr rt rte eee etat 1 4 Getting Help from the Cabletron Systems Global Call Center 1 5 Firmware Versions Supported sosede na 1 6 Chapter 2 The 9A128 01 Module View Viewing Module Information ccccccccccesecsssssseesssessesesesceceesesescsnsneneseeceeeseseseeeans 2 2 Front Panel Information sss nennen 2 2 Memu Str CET oss a tco qr ue DU OI RU GEH ORIENTE 2 4 PortStatus Displays ette eite tein as 2 8 Selecting a Port Status View 2 9 Bridge Port Status Displays sss 2 9 Bridge Port Status Color Codes sess 2 10 The FDDI Port Statits Displdy8 eidieebe tac tice rniran 2 10 FDDI Port Status Color Codes sss 2 12 The Chassis Manager WIDdOW ucciso ttt terrere e
81. s View 2 The 9A128 01 Module View Viewing Module Information The 9A128 01 Module View window Figure 2 2 provides a graphic representation of the 9A128 01 including a color coded port display which immediately informs you of the current configuration and status of each port Ej 94128 134 141 56 222 Device Port d FDDI Utilities Help E M M O ej UPTime O day s 01 35 27 ee ff act J Port Status Default MAC 00 00 1D 14 F8 44 Boot Prom 1 02 01 Fi 01 17 penses onde FDDI Port Status Time 13 36 21 Ports 1 and 2 are the A Dote E aa and B port connections to the FNB FDDI backplane Bridge Port Status Port 1 FDDI Backplane interface Port 2 Front Panel ATM interface Figure 2 2 9A128 01 Module View Window By clicking in designated areas of the device graphical display as detailed later in this chapter or by using the menu bar at the top of the Module View window you can access all of the menus that lead to more detailed device and port information When you move the mouse cursor over a management hot spot the cursor icon will gt change into a hand symbol d to indicate that clicking in the current location will bring up a management option Front Panel Information In addition to the main interface display the Module View window provides the following device information 2 2 Viewing Module Information The 9A128 01 Module View IP The Module View window title dis
82. se Aging Time refer to Filtering Database page 5 21 which ensures that the Filtering Database maintains current topology information Hold Time This parameter displays in seconds the minimum time that can elapse between the transmission of Configuration BPDUs through a bridge port The Hold Time ensures that Configuration BPDUs are not transmitted too frequently through any bridge port Receiving a BPDU starts the Hold Timer After the Hold Timer expires the port transmits its Configuration BPDU to send configuration information to the Root The Hold Time is a fixed value as specified by the IEEE 802 1d specification The following fields are applicable to each bridge port on the selected module Priority If two or more ports on the same bridge are connected to the same LAN segment they will receive the same Root ID Root Cost Bridge ID information in Configuration BPDUs received at each port In this case the BPDU s Port ID information the transmitting port s identifier and its manageable Priority component is used to determine which is the Designated Port for that segment A lower assigned value gives the port a higher Priority when BPDUs are compared The allowable range is 0 FF hexadecimal 0 255 decimal the default is 80 hexadecimal Bridge Spanning Tree 5 17 Bridging Path Cost Displays the cost that this port will contribute to the calculation of the overall Root path cost in a Configuration BPDU transmitte
83. sual display of the 9A128 01 and explains how to use the mouse within the Module View the operation of several device level management functions such as changing the port display enabling and disabling ports and setting device date and time is also described here Chapter 4 ATM Configuration describes how to configure Permanent Virtual Circuits PVCs for the ATM interface s available on each device s front panel Chapter 5 FDDI Management describes the Configuration Connection Policy Station List and Performance selections available from the FDDI menu These windows provide information about each module s FDDI FNB connections Chapter 6 Bridging provides a comprehensive look at all management options associated with the bridge portion of the 9A128 01 including Bridge Performance Graphs Spanning Tree and the Filtering Database We assume that you have a general working knowledge of Ethernet IEEE 802 3 FDDI ANSI X3T9 5 and ATM Forum type data communications networks and their physical layer components and that you are familiar with basic bridging and switching concepts Related Reading The 9A128 01 user s guide is only part of a complete document set designed to provide comprehensive information about the features available to you through SPECTRUM Element Manager Other guides which supply important information related to managing these modules include Cabletron Systems Installing and Using SPECTRUM Element
84. t LEC device and will operate in an 802 3 emulated LAN see Chapter 6 LEC Administrator in your SPECTRUM Element Manager Tools Guide for more information IETF RFC 1483 Multi Protocol Encapsulation over ATM Adaptation Layer 5 specifies a number of methods for encapsulating LAN traffic for transmission over ATM networks Current versions of the 9A128 01 firmware use 802 3 VC based multiplexing for bridging protocols the most recent version of firmware 2 10 13 supports ATM Forum LAN Emulation and UNI 3 0 3 1 SVC signaling future version will add support for Cabletron s SecureFast Switching Using This Guide Each chapter in this guide describes one major functionality or a collection of several smaller functionalities supported by the 9A128 01 module This guide contains information about software functions which are accessed directly from the Module View for information about functions which are accessed via the MMAC Plus Chassis View and or the console window menu bar consult the id Introduction Installing and Using SPECTRUM Element Manager Guide Using MMAC Remote Management User s Guide and SPECTRUM Element Manager Tools Guide Chapter 1 Introduction provides a list of related documentation describes certain software conventions and shows you how to contact Cabletron Systems Global Call Center A brief description of the 9A128 01 module is also provided Chapter 2 The 9A128 01 Module View describes the vi
85. t of objects For example 9A128 01 bridging information is organized into its own component FDDI and ATM information resides in two separate components one for each of the 9A128 01 s interfaces Note too that there is no one to one correspondence between MIBs and MIB components a single MIB component might contain objects from several different proprietary MIBs and RFCs The Chassis Manager window Figure 2 5 is a read only window that displays the MIBs and the MIB components and therefore the functionality supported by the currently monitored device To view the Chassis Manager window 1 Click on Help on the far right of the menu bar at the top of the chassis manager window 2 Drag down to MIBs Supported and release 2 12 Viewing Module Information The 9A128 01 Module View The MIBs which provide the Il Chassis Manager LX 9A128 01 s functionality MIBs Components both proprietary MIBs and ET uo A atmMIB RFCs are listed here chassis i chPower ctDownLoad ctFDDINonMux MIB Components are listed here ctlfDuplex remember there s no one to one ctronMib2 correspondence between MIBs and MIB Components Figure 2 5 Chassis Manager Window Viewing Hardware Types In addition to the graphical displays described above menu options provide specific information about the physical characteristics of ports in the 9A128 01 as well as information about the 9A128 01 module itself Device Type C
86. t the FDDI component of the 9A128 01 module are e Configuration This window displays the current configuration of the selected module with respect to its SMT entity and shows the status of the backplane ring to which it is connected e Connection Policy This window shows the types of connections between the four FDDI PHY port types A B M and S that will be allowed by the SMT entity 4 1 FDDI Management e Station List With this window you can see the configuration of the ring on which the SMT entity resides including number of nodes node addresses both Canonical and MAC node class and current ring topology e Performance This window lets you view the number of frames transmitted and received on the ring as detected by the selected SMT entity along with error and lost frames and the number of ring initializations To use the FDDI menu 1 Click on FDDI in the Module View drag down to select SMT 1 and to the right to reveal the following FDDI menu Figure 4 1 Configuration Connection Policy Station List Performance Figure 4 1 The FDDI Menu 2 Drag to select the desired option Configuration The Configuration window Figure 4 2 informs you about the configuration of the selected module s FDDI backplane connection and the operating state of the FDDI ring to which it is connected and displays parameters relating to ring initialization lt Configura
87. te that the first four statistics are also graphically displayed in the pie charts Unicast Displays the number of packets transmitted to or received from this interface that had a single unique destination address These statistics are displayed in the pie char color coded green Non Unicast Displays the number of packets transmitted to or received from this interface that had a destination address that is recognized by more than one device on the network segment The non unicast field includes a count of broadcast packets those that are recognized by all devices on a segment These statistics are displayed in the pie chart color coded dark blue 5 11 Bridging Discarded Displays the number of packets which were discarded even though they contained no errors that would prevent transmission Good packets are typically discarded to free up buffer space when the network becomes very busy if this is occurring routinely it usually means that network traffic is overwhelming the device To solve this problem you may need to re configure your bridging parameters or perhaps re configure your network to add additional bridges Consult the Cabletron Systems Network Troubleshooting Guide for more information These statistics are displayed in the pie chart color coded magenta Error Displays the number of packets received or transmitted that contained errors These statistics are displayed in the pie chart color coded red Unk
88. th transmit and receive packets and error and buffering information for each of the interfaces available on the 9A128 01 A color coded pie chart in the middle of the window lets you graphically view statistics for Unicast Non Unicast Discarded and Error packets This window is also available for all port interfaces via the I F Summary window available gt from the Module View Device menu See Viewing I F Summary Information in Chapter 2 for more information To access the IF Statistics window 1 Click on the appropriate bridge port index h to reveal the Port menu 2 Drag down to IF Statistics and release 5 10 Bridge Statistics Bridging Bridge Statistics FA I F Statistics Interface 3 aes Rese 172 19 56 222 07 00 00 00 00 00 Description FDDI 1 port Address 00 00 1D 14 F8 4B Type fddi Received Packets Transmitted Packets Unicast 1 ir 0 Packets Transmitted INon Unicast 136661623 Emor a O Unknown Protocol Os Packets Received 138121519 Cancel Help Figure 5 6 Interface Statistics Window Three informational fields appear in the upper portion of the window Description Displays the interface description for the currently selected port Address Displays the MAC physical address of the selected port Type Displays the interface type of the selected port The lower portion of the window provides the following transmit and receive statistics no
89. the MAC has no connection to the ring or other concentrator ports e Not Available means that there is no MAC on the FDDI ring associated with the selected SMT entity Again this state will not occur for the 9A128 01 e Unknown means that device firmware cannot determine the MAC path indicates that SPECTRUM Element Manager cannot determine the MAC path Ring Configuration The current configuration of the MAC and physical layers of the A and B ports 4 5 FDDI Management Connection Policy The SMT Connection Policy determines which types of connections are allowed among the four FDDI port types A B M Master and S Slave FDDI protocol forbids Master gt Master connections all other connection types are legal although some are considered to be undesirable The Connection Policy window Figure 4 5 lists potential connection types in a Reject X Y format where X represents the FDDI port on the selected module and Y represents the attaching node An X in the checkbox next to a Connection Policy indicates that the connection has been disallowed Connection Policy SMT 1 x IS LAB 172 19 59 80 04 00 00 00 00 00 Reject A Reject 5 Reject 4 B Reject 5 B Reject 4 S Reject S Reject A M Reject 5 M Reject B A Reject M A Reject B B Reject M B Reject B S Reject M S Reject B M V Reject M M Cancel Help Figure 4 3 The Connection Policy Window The following tab
90. the deletion or on Cancel to cancel Configuring Connections 3 5 ATM Configuration 3 6 Configuring Connections Chapter 4 FDDI Management Configuration connection policy station list and performance The FDDI menu lets you access windows to view FDDI configuration connection policy station list and performance with respect to the single Station Management SMT entity which provides each device s connectivity to the FDDI FNB backplane SMT provides the system management services for the FDDI protocols including connection management node configuration error recovery statistics collection and management frame encoding SMT is comprised of various subcomponent functions including Connection Management CMT and Ring Management RMT The 9A128 01 is also encoded with MAC Media Access Control protocol layer information which you can assign to either FNB 1 or FNB 2 The primary function of the MAC layer is to deliver frames for stations attached to the ring this involves transmitting frames onto the ring removing frames from the ring and repeating frames Other services provided by the MAC component include providing attached stations with access to the ring in a fair and structured manner providing address recognition for incoming frames and generating and verifying frame check sequences Each ring must have at least one MAC associated with it for correct operation The windows that provide information abou
91. ther by highlighting the field you wish to change and using the up and down arrow buttons or by simply entering the new value in the appropriate field 4 Click on to save your changes or on Cancel to cancel To edit the device date 1 Click on Device on the Module View window menu bar to access the Device menu drag down to Edit Device Date and release 2 The Device Date change window Figure 2 12 will appear e fre far Cancel Figure 2 12 New Date Window 3 Enter the new date in a mm dd yy format either by highlighting the field you wish to change and using the up and down arrow buttons or by simply entering the new value in the appropriate field 4 Click on OK to save your changes or on Cancel to cancel Enabling and Disabling Ports Bridge Ports When you disable a bridge port you disconnect that port s network from the bridge entirely The port does not forward any packets nor does it participate in Spanning Tree operations Nodes connected to the network can still communicate with each other but they can t communicate with the bridge or with other Managing the Hub 2 21 The 9A128 01 Module View Module Ports DD networks connected to the bridge When you enable a port the port moves from the Disabled state through the Learning and Listening states to the Forwarding state bridge port state color codes will change accordingly To enable or disable
92. they come from the same vendor the bridge with the earlier manufacture date will be likely to have the lower MAC address value Root Bridge Displays the MAC address of the bridge that is currently functioning as the Root Bridge Root Cost Indicates the cost of the data path from this bridge to the Root Bridge Each port on each bridge adds a cost to a particular path that a frame must travel For example if each port in a particular path has a Path Cost of 1 the Root Cost would be a count of the number of bridges along the path You can edit the Path Cost of bridge ports as described later The Root Bridge s Root Cost is 0 Root Port This field displays the identifier the physical index number of the selected module s bridge port that has the lowest cost path to the Root Bridge on the network If the selected module is currently the Root Bridge this field will read 0 Protocol Displays the Spanning Tree Algorithm Protocol type the selected module is currently using The choices are e 8021 e DEC DEC Lanbridge 100 e None The following four fields display values used for various Spanning Tree timers that are set at the Root Bridge and this bridge In Spanning Tree operations the value used for the tree is the one set at the Root Bridge with the exception of Hold Time which is a fixed value but you can change the value for each bridge on your network in the event that it becomes Root Bridge Spanning Tree Brid
93. tion SMT 1 Ea walnut IS LAB ISLAB_ 172 19 59 80 04 00 00 00 00 00 Uptime D days 09 10 13 Concentrator M Ports 0 Concentrator NonM Ports 2 Reg Bs Number of MAC s ooo MAC Path Primary Cancel Help Figure 4 2 The Configuration Window 4 2 Configuration FDDI Management Configuration MAC State This field indicates the current state of the selected module s MAC component The RMT component of SMT monitors MAC operation and takes actions necessary to aid in achieving an operational ring Possible states are Not Available Ring Op Isolated Non Op Detect Non Op Dup Ring Op Dup Directed Trace There is no MAC on the FDDI ring associated with the SMT entity or the selected SMT entity is not attached to the main ring through the backplane FNB A and B ports The ring is functioning normally While in this state the MAC being managed is part of an operational FDDI ring SMT has just initialized RMT or RMT has entered this state during a path test trace after ring beaconing RMT is not aware of the ring path or state The MAC being managed by the selected SMT is participating in ring recovery the ring is not operational The claim beacon process of the FDDI ring protocol has exceeded one second There may be a problem on the ring any duplicate address conditions are being detected In this state the ring is still alive but no data is being transmitted
94. tion Type window 3 2 Figure 3 1 The Current ATM Connections Window The Current ATM Connections window provides the following information about the device s ATM connections Connection Data The Connection Data fields provide the following information about each ATM interface available on the device I F Displays the index number assigned to each ATM interface present on the selected module The 9A128 01 has a single ATM interface indexed 4 The 9A128 01 supports a total of four interfaces For more detailed information about the interfaces present on each module and their index number assignment see Viewing I F Summary Information in Chapter 2 Maximum Connections Displays the maximum number of connections allowed by current device firmware Current Configured Displays the number of Permanent Virtual Circuits or PVCs currently configured Connection Data will not be available for the 9A128 01 s ATM interface Accessing the ATM Connections Window ATM Configuration Settings The Settings portion of the window contains a list box which displays information about each of the currently configured PVCs as well as the fields used to configure new connections I F VPI VCI Encapsulation Type Status UpTime Accessing the ATM Connections Window The device interface on which the PVC was configured Displays the Virtual Path Identifier assigned to the connection current versions of 9
95. tron SMB 1 Poin Up l 0 04 e tenerent CuonSMB 10 Online Up 003X B je FDDI 1 port Dres up 55x 4 ethemetcsmacd ATM 1 pot Dnine Up W 376x Figure 2 8 I F Summary Window The I F Summary window provides a variety of descriptive information about each interface on your device as well as a bar graph and statistics which display each interface s performance The following descriptive information is provided for each interface Viewing Module Information The 9A128 01 Module View UpTime The UpTime field lists the amount of time in a days hh mm ss format that the device has been running since the last start up Index The index value assigned to each interface on the device Type The type of the interface distinguished by the physical link protocol s running immediately below the network layer Possible values are sdlc for the MMAC Plus SMB 1 proprietary management backplane ethernet csmacd for the MMAC Plus SMB 10 ethernet management backplane fddi for the FDDI FNB interface and atm for the front panel ATM connection Description A text description of the interface Ctron SMB for the MMAC Plus SMB 1 and SMB 10 management backplane interfaces FDDI for the FDDI FNB interface or ATM P Sta Displays the current physical status or operational state of the interface Online or Offline L Sta Displays the current logical stat
96. ty in the root selection process Changing the Spanning Tree Algorithm Protocol Type To change the type of protocol used in Spanning Tree 1 Click the mouse on the appropriate option button IEEE 802 1 DEC or None 2 Click on Set The selected Spanning Tree Algorithm protocol type will be applied to the bridge If you selected None the Spanning Tree Algorithm will be disabled if it already was enabled If STA Protocol Type was changed from None to IEEE 802 1 or DEC you must restart the bridge for the newly selected STA protocol to be applied All bridges in a network must use the same Spanning Tree version Mixing Spanning Tree AN Algorithm protocols will cause an unstable network Changing Hello Time If the bridge is the Root Bridge or is attempting to become the Root and you want to change the length of time the bridge waits between sending configuration BPDUs 1 Highlight the Hello Time field and type in a new value 2 Click on Set The IEEE 802 1d specification recommends that Hello Time 2 seconds the allowable range is 1 to 10 seconds Bridge Spanning Tree 5 19 Bridging Changing Max Age Time If the selected module is the Root Bridge or attempting to become the Root and you want to change the maximum time that bridge protocol information will be kept before it is discarded 1 Highlight the Max Age field and type in a new value 2 Click on Set The IEEE 802 1d specification recommends that Max Age
97. us or administrative state of the interface Up or Down Interface Performance Statistics Bar Graphs The statistical values and accompanying bar graphs to the right of the interface description fields provide a quick summary of interface performance You can select the statistical value you want to display and the units in which you want those values displayed by using the two menu buttons directly above the graphs as follows 1 Click on the right menu button to select the unit in which you wish to display the selected statistic Rate Raw Counts or Load 2 Once you have selected the base units click on the left menu button to specify the statistic you d like to display The options from this menu will vary depending on the base units you have selected After you select a new display mode the statistics and graphs will refresh to reflect the current choice as described below Viewing Module Information 2 15 The 9A128 01 Module View 2 16 Bar graphs are only available when Load is the selected base unit Raw Counts The total count of network traffic received or transmitted on the indicated interface since device counters were last reset Raw counts are provided for the following parameters In Octets In Packets In Discards In Errors In Unknown Out Octets Out Packets Out Discards Out Errors Load Octets received on the interface including framing characters Packets
98. window For more information concerning Help buttons see Getting Help below The command buttons for example Bridge call up a menu listing the windows screens or commands available for that topic Any menu topic followed by three dots for example Statistics calls up a window or screen associated with that topic Getting Help This section describes two different methods of getting help for questions or concerns you may have while using SPECTRUM Element Manager Using On line Help You can use the Help buttons to obtain information specific to a particular window When you click on a Help button a window will appear which contains context sensitive on screen documentation that will assist you in the use of the windows and their associated command and menu options Note that if a Help button is grayed out on line help has not yet been implemented for the associated window Getting Help Introduction From the Help menu accessed from the Module View window menu bar you can access on line Help specific to the Module View window as well as bring up the Chassis Manager window for reference Refer to Chapter 2 for information on the Module View and Chassis Manager windows All of the SPECTRUM Element Manager help windows use the standard Microsoft Windows help facility if you are unfamiliar with this feature of Windows you can select Help gt How to Use Help from the console window menu bar or consult
99. ys a list of the stations on the ring to which the selected SMT is connected in ring sequence from the MAC along with each station s node class and current topology Note that the information displayed in the Station List is static once the window is opened for updated information click on the Refresh button If the number of nodes exceeds the panel size scroll bars will appear will appear in the list box that will allow you to scroll through the station list to view the node of interest Information provided in the Stations Panel includes An index number assigned to each station that indicates its position on the ring in relation to the monitored SMT s MAC address The monitored SMT s MAC is always the first entry 1 in the station list MAC Address Displays the 48 bit hardware address used for universal address assignment of the node inserted into the ring These addresses are hardcoded into the device and are not configurable The address will appear in Canonical or MAC format as currently selected Node Class Displays the type of ring device Possible values are Station Indicates an FDDI node capable of transmitting receiving and repeating data Concentrator Indicates an FDDI node that provides attachment points to the ring for stations that are not directly connected to the dual ring Topology Indicates the node s MAC configuration topology Upstream Neighbor Displays hardware address in Cano

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