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Chapter 22: Performance Monitoring Guide

312	SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-05 manual 312

Contents

SmartSwitch Router User Reference Manual 9032578-05 Disclaimer CopyrightChanges Trademarks Regulatory Compliance Information Regulatory Compliance Statements Industry Canada Compliance Statement Vcci Compliance Statement Safety Information Class 1 Laser Transceivers Laser Radiation and Connectors Cabletron Systems, Inc Program License Agreement SmartSwitch Router User Reference Manual Vii Viii SmartSwitch Router User Reference Manual SmartSwitch Router User Reference Manual Cabletron Systems Limited Program License Agreement Cabletron Systems Limited Program License Agreement Declaration of Conformity Addendum Contents SmartTRUNK Configuration Guide Dhcp Configuration Guide Vrrp Configuration Guide 111 Routing Policy Configuration Guide 161 160 197 Network Address Translation Configuration Guide Firewall Load Balancing 214 Monitoring IP Policies 215 249 Security Configuration Guide 275 QoS & Layer-2/Layer-3/Layer-4 Flow Overview 291 309 Lfap Configuration Guide 329 357 Contents Xxvi SmartSwitch Router User Reference Manual Document Conventions About This ManualRelated Documentation For Information About See Keywords or arguments separated by vertical bars indicate a Keywords and arguments within a set of square brackets areOptional Choice. Select one keyword or argument Configuration Files Chapter Introduction User Mode Using the Command Line InterfaceCommand Modes Enable Mode Boot Prom Mode Getting Help with CLI CommandsConfigure Mode CLI completes the command as follows Line Editing Commands CLI Line Editing Commands Word-backward command Next command from history bufferPrevious command from history buffer Show all commands currently stored in the history buffer Displaying and Changing Configuration Information Commands to Display and Change Configuration Information Erase startup Task CommandErase scratchpad Save active Port Numbers for Line Cards Port NamesEach port in the SSR is referred to in the following manner Line Card Port Number Arrangement Left to Right Base LLX Quad Serial WAN Hssi WAN Chapter Hot Swapping Line Cards Control Modules Hot Swapping Overview Hot Swapping Line Cards Deactivating the Line Card Hot Swapping One Type of Line Card With Another Installing a New Line CardRemoving the Line Card Hot Swapping a Secondary Control Module Deactivating the Control Module Installing a Control Module Removing the Control Module Hot Swapping a Switching Fabric Module SSR 8600 only Removing the Switching Fabric Module Installing a Switching Fabric ModulePage Spanning Tree Ieee 802.1d Chapter Bridging Configuration GuideBridging Overview Vlan Overview Bridging Modes Flow-Based and Address-Based Protocol-based VLANs Port-based VLANsMAC-address-based VLANs Subnet-based VLANs Policy-based VLANs SSR Vlan SupportMulticast-based VLANs VLANs and the SSR Access Ports and Trunk Ports 802.1Q support Ports, VLANs, and L3 Interfaces Explicit and Implicit VLANs Configuring SSR Bridging FunctionsConfiguring Address-based or Flow-based Bridging SSR Address-Based Bridge Table Flow-Based Bridge Table More ports for a particular Vlan Configuring Spanning TreeAdjusting Spanning-Tree Parameters Assigning Port Costs Setting the Bridge PrioritySetting a Port Priority Defining the Forward Delay Interval Adjusting Bridge Protocol Data Unit Bpdu IntervalsAdjusting the Interval between Hello Times Defining the Maximum Age Creating a Port or Protocol Based Vlan Configuring a Port- or Protocol-Based VlanConfiguring Vlan Trunk Ports Adding Ports to a Vlan Configuring VLANs for Bridging Configuring Layer-2 Filters Creating an IP or IPX Vlan Configuration ExamplesMonitoring Bridging Creating a non-IP/non-IPX Vlan Next, assign ports to the ‘RED’ Vlan Chapter SmartTRUNK Configuration Guide Overview Add Physical Ports to the SmartTRUNK Configuring SmartTRUNKsCreating a SmartTRUNK Monitoring SmartTRUNKs Specify Traffic Distribution Policy Optional Example Configurations St.2 St.4 Router Switch Server SmartTRUNK Configuration Guide Page Virtual Channels Chapter ATM Configuration GuideATM Overview Atm create vcl port port list Service Class DefinitionCreating a Virtual Channel Creating a Service Class Definition Applying a Service Class Definition Atm set port port list pdh-cell-scramble on off Cell ScramblingEnabling Cell Scrambling Pdh-cell-scramble onoff Cell MappingSelecting the Cell Mapping Format Atm set port port list cell-mapping direct plcp Atm set port port list vpi-bits num Setting the Bit Allocation for VPICreating a Non-Zero VPI Displaying ATM Port Information Atm show vpl port port list all-ports Atm show serviceall Atm show port-settings port list all-ports B3ZS G832 is used for E3 framing Esf indicates extended super frame and is usedFor T1 framing G751 is used for E3 framing ATM Sample Configuration Consider the following network configuration Configuring an Interface on an Ethernet Port Defining an ATM Service Class Configuring an IP Route Applying an ATM Service ClassConfiguring an Interface on an ATM Port Ssr1config# ip add route 11.1.2.0/24 gateway ATM Sample Configuration Chapter Packet-over-SONET Configuration Guide Configuring Packet-over-SONET Links Configuring IP Interfaces for PoS Links Configuring Automatic Protection Switching Configuring Working and Protecting Ports Specifying Bit Error Rate Thresholds Monitoring PoS Ports Specify signal degrade BERThreshold Specify signal failure BER Threshold Following is the configuration for router B This section shows example configurations for PoS linksFollowing is the configuration for router a APS PoS Links Between SSRs PoS Link Between the SSR and a Cisco Router Router So.6.1 So-1 40.1.1.1/16 Bridging and Routing Traffic Over a PoS Link Router So.6.1Page Dhcp Overview Configuration GuideChapter Configuring Client Parameters Configuring DhcpConfiguring an IP Address Pool Client Parameters Configuring a Static IP Address Grouping Scopes with a Common Interface Monitoring the Dhcp Server Configuring Dhcp Server ParametersUpdating the Lease Database Define an IP address pool for addresses 10.1.1.10 through Dhcp Configuration ExamplesDefine Dhcp network parameters for the scope ‘scope1’ Define a static IP address for Configuring Secondary Subnets Secondary Subnets and Directly-Connected Clients Include ‘scope2’ in the superscope ‘super1’ Interacting with Relay Agents Define the address pool for ‘scope1’ Page Unicast Routing Protocols Chapter IP Routing Configuration GuideIP Routing Protocols Configuring IP Interfaces and Parameters Multicast Routing Protocols Specifying Ethernet Encapsulation Method Configuring IP Interfaces to PortsConfiguring IP Interfaces for a Vlan Configuring Jumbo Frames To clear the entire ARP table Configuring Address Resolution Protocol ARPConfiguring ARP Cache Entries Unresolved MAC Addresses for ARP Entries Configuring Reverse Address Resolution Protocol Rarp Configuring Proxy ARP Specifying IP Interfaces for Rarp Defining MAC-to-IP Address Mappings Configuring IP Helper Configuring DNS ParametersConfiguring IP Services Icmp Monitoring Rarp Configuring Direct Broadcast Configuring Denial of Service DOS Monitoring IP Parameters Interface show ip Configuring Router DiscoveryArp show all System show dns Ssrconfig# rdisc add address To display router discovery information Ssr# rdisc show all Assigning IP/IPX Interfaces Configuring Vrrp Vrrp Overview Configuration of Router R1 Basic Vrrp ConfigurationBackup Following is the configuration file for Router R1 in Figure Following is the configuration file for Router R2 in Figure Symmetrical ConfigurationConfiguration for Router R2 Master for VRID=1 Master for VRID=2 Backup for VRID=2 Symmetrical Vrrp Configuration Multi-Backup Configuration Configuration of Router R2 Multi-Backup Vrrp Configuration Configuration of Router R1 Virtual Router Default Priority Configured Priority Following is the configuration file for Router R3 in Figure Additional ConfigurationConfiguration of Router R3 Setting Pre-empt Mode Setting the Backup PrioritySetting the Advertisement Interval Ip-redundancy trace Setting an Authentication KeyMonitoring Vrrp Ip-redundancy show Ssr# ip-redundancy show vrrp interface int1 Vrrp Configuration Notes Ssr# ip-redundancy show vrrp 1 interface int1 verbose 104 RIP Overview Chapter RIP Configuration GuideConfiguring RIP Enabling and Disabling RIP Configuring RIP InterfacesConfiguring RIP Parameters To RIP Set the authentication methodCharacters Set the authentication method Specify that RIP V2 packets Monitoring RIP Configuring RIP Route PreferenceConfiguring RIP Route Default-Metric Configuration Example 110 Ospf Ospf Overview Configuring Ospf Ospf Multipath Ospf Interface Parameters Configuring Ospf Interface ParametersEnabling Ospf Port Media Type Speed Ospf Default Cost Default Cost of an Ospf InterfaceOspf Default Cost Per Port Type Add an interface to an Ospf area Configuring an Ospf AreaCreate an Ospf area Add a stub host to an Ospf area Configuring Ospf Area ParametersCreating Virtual Links Add a network to an Ospf area for Link Configuring Ospf for Different Types of InterfacesCreate a virtual Set virtual link Monitoring Ospf Show Ospf errors Monitor Ospf error conditionsConfigured for Ospf Show information about all interfaces Shows information about all valid next Ospf Configuration ExamplesRoutes Show Ospf timers Shows information about Ospf Border Exporting All Interface & Static Routes to Ospf Exporting All RIP, Interface & Static Routes to Ospf Create a RIP export source Create a Ospf export destination for type-1 routesCreate a Ospf export destination for type-2 routes Create a Static export source Create OSPF-ASE export source Create a RIP export destinationCreate Ospf export source R10 Chapter BGP Configuration Guide BGP Overview Basic BGP Tasks SSR BGP Implementation Configuring a BGP Peer Group Setting the Autonomous System NumberSetting the Router ID Ip-router global set autonomous-system num1 loops num2 Where Autonomous-system number Starting BGP Using AS-Path Regular ExpressionsAdding and Removing a BGP Peer 130 To import MCI routes with a preference Using the AS Path Prepend FeatureAS-Path Regular Expression Examples BGP Configuration Examples Following is an example BGP Peering Session Example Physical Link Peering Relationship CLI configuration for router SSR1 is as followsAS-1 AS-2 Gated.conf file for router SSR1 is as follows Ibgp Configuration ExampleCLI configuration for router SSR2 is as follows Gated.conf file for router SSR2 is as follows Ibgp Routing Group Example Sample Ibgp Configuration Routing Group Type AS-64801 Following lines in the Cisco router configure Ospf Ibgp Internal Group Example Illustrates a sample Ibgp Internal group configuration Sample Ibgp Configuration Internal Group Type SmartSwitch Router User Reference Manual 141 Configuration for router C2 a Cisco router is as follows Ebgp Multihop Configuration ExampleConfiguration for router C1 a Cisco router is as follows AS-64800 Physical Link CLI configuration for router SSR3 is as follows Gated.conf file for router SSR3 is as follows CLI configuration for router SSR4 is as followsCommunity Attribute Example Gated.conf file for router SSR4 is as follows Sample BGP Configuration Specific Community Sample BGP Configuration Well-Known Community , router SSR11 has the following configuration , router SSR13 has the following configuration , router SSR10 has the following configuration , router SSR14 has the following configuration SmartSwitch Router User Reference Manual 151 Local Preference Examples Sample BGP Configuration Local Preference For router SSR13, local-prefis set to Using the local-pref OptionUsing the set-pref Option Sample BGP Configuration MED Attribute Multi-Exit Discriminator Attribute Example AS-64900 Router SSR6 has the following CLI configurationEbgp Aggregation Example AS-64901 Route Reflection Example Router SSR8 has the following CLI configurationRouter SSR9 has the following CLI configuration Shows a sample configuration that uses route reflection AS-64902 SmartSwitch Router User Reference Manual 159 160 Chapter Routing Policy Configuration Guide Route Import and Export Policy Overview Preference Default Preference ValuesPreference Defined by CLI Command Default Import Policies Import-Source Export-Destination Export PoliciesRoute-Filter Export-Source Specifying a Route Filter Aggregates and Generates Aggregate-Destination Aggregate-Source Authentication Authentication Methods Configuring Simple Routing Policies Authentication Keys and Key Management Redistributing Static Routes Redistributing Directly Attached Networks Redistributing Ospf to RIP Redistributing RIP into RIPRedistributing RIP into Ospf Redistributing Aggregate Routes Routes into Ospf Simple Route Redistribution ExamplesTo redistribute aggregate Example 1 Redistribution into RIP Example 2 Redistribution into Ospf Exporting a Given Static Route to All RIP InterfacesExporting All Static Routes to All RIP Interfaces 174 Configuring Advanced Routing Policies 176 Creating an Export Destination Creating an Export Source Create a RIP import Creating an Import SourceCreating a Route Filter Destination Create an Ospf import Creating an Aggregate Route Examples of Import Policies Creating an Aggregate DestinationCreating an Aggregate Source Example 1 Importing from RIP R41 182 Rip add source-gateways 140.1.1.41 rip add trusted-gateways Example 2 Importing from Ospf 185 Routing Policy Configuration Importing a Selected Subset of OSPF-ASE Routes Examples of Export Policies Example 1 Exporting to RIP 188 Exporting a Given Static Route to a Specific RIP Interface 190 Exporting Aggregate-Routes into RIP Example 2 Exporting to Ospf SmartSwitch Router User Reference Manual 193 194 SmartSwitch Router User Reference Manual 195 196 Igmp Overview Chapter Multicast Routing Configuration GuideIP Multicast Overview Dvmrp Overview Configuring Igmp Query Interval Configuring IgmpConfiguring Igmp on an IP Interface Configuring Igmp Response Wait Time Configuring Static Igmp Groups Configuring DvmrpConfiguring Per-Interface Control of Igmp Membership Ship to a specific group Starting and Stopping Dvmrp Configuring Dvmrp on an InterfaceConfiguring Dvmrp Parameters Configuring the Dvmrp Routing Metric Configuring Dvmrp TTL & Scope Shows all the interfaces Configuring a Dvmrp TunnelMonitoring Igmp & Dvmrp Membership details running Igmp Show information about multicasts Memberships on a port basis Show all Igmp timersShows all Igmp group Registered by Igmp Show Igmp status on a Vlan SmartSwitch Router User Reference Manual 205 206 Chapter IP Policy-Based Forwarding Configuration Guide Associating the Profile with an IP Policy Configuring IP PoliciesDefining an ACL Profile Setting the IP Policy Action Creating Multi-Statement IP Policies Applying an IP Policy to Locally Generated Packets Setting Load Distribution for Next-Hop GatewaysApplying an IP Policy to an Interface IP Policy Configuration Examples Routing Traffic to Different ISPs Prioritizing Service to Customers Using an IP Policy to Prioritize Service to Customers Authenticating Users through a Firewall Using an IP Policy to Authenticate Users Through a Firewall Firewall Load Balancing Selecting Next Hop Gateway from IP Packet Information Following is the configuration for Policy Router 1 in Figure Monitoring IP Policies Ssr# ip-policy show policy-name p1 SmartSwitch Router User Reference Manual 217 218 Chapter Network Address Translation Configuration Guide Configuring NAT Setting Inside and Outside Interfaces Static Setting NAT RulesForcing Flows through NAT Dynamic Managing Dynamic Bindings NAT and DNS NAT and FTP Specify the FTP session timeoutNAT and Icmp Packets Specify the FTP control port Monitoring NAT Static ConfigurationThis section shows examples of NAT configurations Next, define the interfaces to be NAT inside or outside Dynamic Configuration Using Static NAT Using Dynamic NAT Dynamic NAT with IP Overload PAT Configuration Using Dynamic NAT with IP Overload Dynamic NAT with DNS DNS Using Dynamic NAT with DNS Dynamic NAT with Outside Interface Redundancy Using Dynamic NAT with Matching Interface Redundancy Chapter Web Hosting Configuration Guide Creating the Server Group Configuring Load BalancingLoad Balancing Adding Servers to the Load Balancing Group Session Persistence Persistence Default Binding Level Timeout Sticky Minutes Specifying a Connection Threshold Optional Group or Server Operating ParametersSpecifying Load Balancing Policy Verifying Servers and Applications Specify application verification Setting Server StatusVerifying Extended Content Load Balancing and FTP Allowing Access to Load Balancing ServersSetting Timeouts for Load Balancing Mappings Configuration Examples Displaying Load Balancing Information Web requests forwarded to One of the servers Router 10.1.1.4 Internet Web requests Domain Name Virtual IP TCP Port Real Server Virtual IP Address Ranges 207.135.89.16 207.135.89.17 207.135.89.18 207.135.89.50 Session and Netmask Persistence Creating the Cache Group Configuring Web CachingWeb Caching Not redirected to cache servers Specifying the Clients for the Cache Group OptionalRedirected to cache servers Redirecting Http Traffic on an Interface Bypassing Cache Servers Configuration ExampleOther Configurations Proxy Server Redundancy Distributing Frequently-Accessed Sites Across Cache ServersMonitoring Web-Caching Show caching policy information Show cache server information RIP Routing Information Protocol Chapter IPX Routing Configuration GuideIPX Routing Overview SAP Service Advertising Protocol IPX Addresses Configuring IPX RIP & SAPCreating IPX Interfaces Configuring Secondary Addresses on an IPX Interface Configuring IPX Interfaces and ParametersConfiguring IPX Addresses to Ports Configuring IPX Interfaces for a Vlan Enabling IPX RIP Configuring IPX RoutingSpecifying IPX Encapsulation Method Enabling SAP Controlling Access to IPX Networks Configuring Static RoutesConfiguring Static SAP Table Entries Creating an IPX Access Control List Creating an IPX Type 20 Access Control List Creating an IPX SAP Access Control List Creating an IPX GNS Access Control List Creating an IPX RIP Access Control List Monitoring an IPX Network 258 Chapter Access Control List Configuration Guide ACL Basics Defining Selection Criteria in ACL Rules SmartSwitch Router User Reference Manual 261 How ACL Rules are Evaluated Implicit Deny Rule Allowing External Responses to Established TCP Connections Editing ACLs Offline Following ACL illustrates this featureCreating and Modifying ACLs Maintaining ACLs Using the ACL Editor These uses of ACLs are described in the following sections Using ACLsApplying ACLs to Interfaces Applying ACLs to Services Applying ACLs to Layer-4 Bridging Ports Using ACLs as Profiles SSR Feature ACL Profile Usage Using Profile ACLs with the IP Policy Facility Using Profile ACLs with the Traffic Rate Limiting Facility Using Profile ACLs with Dynamic NAT Using Profile ACLs with the Port Mirroring Facility Using Profile ACLs with the Web Caching Facility Redirecting Http Traffic to Cache Servers Preventing Web Objects From Being Cached Enabling ACL Logging Monitoring ACLs Chapter Security Configuration Guide Security Overview Configuring SSR Access Security Configuring Radius Monitoring Tacacs Configuring TacacsMonitoring Radius Configuring Tacacs Plus Monitoring Tacacs Plus Configuring PasswordsLayer-2 Security Filters Configuring Layer-2 Address Filters Configure a source static Configuring Layer-2 Port-to-Address Lock FiltersConfiguring Layer-2 Static Entry Filters Configure a destination static Configure a destination secure Configuring Layer-2 Secure Port FiltersConfigure a source secure port Port filter Monitoring Layer-2 Security Filters Layer-2 Filter Examples Static Entries Example Port-to-Address Lock Examples Layer-3 Access Control Lists ACLs Example 2 Secure Ports Layer-4 Bridging and Filtering Sample Vlan for Layer-4 bridging Placing the Ports on the Same Vlan For example, to enable Layer-4 Bridging on the blue VlanCreating a Port-Based Vlan for Layer-4 Bridging Enabling Layer-4 Bridging on the Vlan Applying a Layer-4 Bridging ACL to a Port SmartSwitch Router User Reference Manual 289 290 Chapter QoS Configuration Guide QoS & Layer-2/Layer-3/Layer-4 Flow Overview Layer-2 and Layer-3 & Layer-4 Flow Specification SSR Queuing Policies Traffic Prioritization for Layer-2 FlowsPrecedence for Layer-3 Flows Control Configuring Layer-2 QoS802.1p Priority Mapping Creating and Applying a New Priority Map Removing or Disabling Per-Port Priority Map Displaying Priority Map Information Configuring IP QoS PoliciesTraffic Prioritization for Layer-3 & Layer-4 Flows Setting an IPX QoS Policy Configuring IPX QoS PoliciesSetting an IP QoS Policy Specifying Precedence for an IP QoS Policy Specifying Precedence for an IPX QoS Policy Configuring SSR Queueing PolicyAllocating Bandwidth for a Weighted-Fair Queuing Policy Weighted Random Early Detection Wred ToS Rewrite Configuring ToS Rewrite for IP Packets Tos-rewrite Tos-precedence-rewrite = 5 tos-rewrite = Monitoring QoS Limiting Traffic Rate Rate Limiting Modes Policy Per-Flow Rate LimitingPort Rate Limiting Apply a per-flow rate limit Limit incoming traffic on a port Aggregate Rate LimitingDefine a port rate limit policy to Limit outgoing traffic on a port Example Configurations Per-Flow Rate Limiting Aggregate Rate Limiting Displaying Rate Limit Information Chapter Performance Monitoring Guide Performance Monitoring Overview MAC table Show information about a Show port error statisticsShow information about the master Particular MAC address Show info about multicasts Only IP ACLs can be specified for port mirroring Configuring the SSR for Port MirroringMonitoring Broadcast Traffic 312 Rmon Rmon Overview Configuring and Enabling Rmon Example of Rmon Configuration Commands Rmon Groups Lite Rmon Groups Standard Rmon Groups Professional Rmon Groups Control Tables Using Rmon Configuring Rmon Groups String status enabledisable EnabledisableNum status enabledisable Size owner string status enabledisable Rmon protocol-distribution index index-number Port port owner string status enabledisableOid type absolutedelta status enabledisable Rmon user-history-control index index-number Displaying Rmon Information Rmon CLI Filters Following shows Host table output without a CLI filter 01000CCCCCCC Creating Rmon CLI Filters Troubleshooting RmonUsing Rmon CLI Filters 326 Allocating Memory to Rmon Ssr# rmon show status Rmon set memory number Lfap Cabletron’s Traffic Accounting Services Configuring the Lfap Agent on the SSR Start the Lfap protocol on the SSR Allow external ACL policy control Command Displays Monitoring the Lfap Agent on the SSR WAN WAN Overview Static, Mapped, and Dynamic Peer IP/IPX Addresses Configuring WAN InterfacesPrimary and Secondary Addresses Static Addresses Mapped Addresses Following command line displays an example for a VlanFollowing command line displays two examples for PPP Dynamic Addresses Packet Compression Following command line displays an example for PPPForcing Bridged Encapsulation Nature of the Data Example ConfigurationsAverage Packet Size Link Integrity WAN Quality of Service Packet Encryption Congestion Management Weighted-Fair QueueingSource Filtering and ACLs Random Early Discard RED Adaptive Shaping Frame Relay OverviewVirtual Circuits Configuring Frame Relay Interfaces for the SSR Permanent Virtual Circuits PVCs Setting up a Frame Relay Service Profile Applying a Service Profile to an Active Frame Relay WAN Port Frame Relay Port Configuration Monitoring Frame Relay WAN Ports 344 Use of LCP Magic Numbers Configuring PPP InterfacesPoint-to-Point Protocol PPP Overview Setting up a PPP Service Profile Defining the Type and Location of a PPP Interface Compression on MLP Bundles or Links Applying a Service Profile to an Active PPP PortConfiguring Multilink PPP Bundles PPP Port Configuration Monitoring PPP WAN Ports Ssrconfig# ppp apply service profile2 ports hs.5.1 WAN Configuration Examples Simple Configuration File Multi-Router WAN Configuration Multi-router WAN configuration Router R2 Configuration File Router R1 Configuration FileFollowing configuration file applies to Router R1 Following configuration file applies to Router R2 Router R4 Configuration File Router R3 Configuration FileFollowing configuration file applies to Router R3 Following configuration file applies to Router R4 Router R6 Configuration File Router R5 Configuration FileFollowing configuration file applies to Router R5 Following configuration file applies to Router R6 SmartSwitch Router User Reference Manual 355 356 SSR 8000/8600 Line Cards Appendix a New Features Supported on Line CardsIntroduction Line Cards Available Prior to the 3.0 Firmware Release Pre-3.0 SSR Firmware Line Card Part Number Features WFQ Line Cards Introduced at the 3.1 Firmware Release T-Series Line Card Part Firmware Number FeaturesListed 3.0 Features Pre-3.0 Routing Table on Pre-3.0 Line card POS OC-12cSMF SSR-ATM29-02 ATM OC-3c SSR-ATM31-02 ATM OC-12c AAs -- Chassis SSR 2000 Line CardsSSR-2-LX70 AAs Line Cards SSR-2-LX70-AA New Features that Require Specific Line CardsNetwork Address Translation Page Load Balancing Lsnat Layer 4 Bridging Per-Protocol Vlan QoS Rate Limiting Port Rate Limiting Multiple IPX Encapsulation ToS RewriteEstablished Bit ACL Summary Weighted Random Early Detection WredPort Interface Ingress Port Egress Port Features Base Jumbo Frames Example Identifying a Line CardMultiple IPX Encapsulation Interface AA/T-series Non -AA Line Card 372