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Cabletron Systems 9032578-02 manual Chapter Routing Policy Configuration Guide

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Chapter 7

Routing Policy

Configuration

Guide

Route Import and Export Policy Overview

The SSR family of routers supports extremely flexible routing policies. The SSR allows the network administrator to control import and export of routing information based on criteria including:

•Individual protocol

•Source and destination autonomous system

•Source and destination interface

•Previous hop router

•Autonomous system path

•Tag associated with routes

•Specific destination address

The network administrator can specify a preference level for each combination of routing information being imported by using a flexible masking capability.

The SSR also provides the ability to create advanced and simple routing policies. Simple routing policies provide a quick route redistribution between various routing protocols (RIP and OSPF). Advanced routing policies provide more control over route redistribution.

SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-02 manual Chapter Routing Policy Configuration Guide, Route Import and Export Policy Overview

Contents

9032578-02 SmartSwitch Router User Reference ManualSSR User Reference Manual FCC Notice Vcci Notice Declaration of Conformity Addendum SSR User Reference Manual Contents IP Routing Configuration Guide Assigning IP/IPX Interfaces RIP Configuration GuideRouting Policy Configuration Guide 107 Creating IPX Interfaces 153 143Security Configuration Guide 161 185 Contents Who Should Read This Manual? PrefaceAbout This Manual For Information About See How to Use This ManualRelated Documentation If You Want To SeeChapter SmartSwitch Router Product Overview Feature Specification SSR Hardware and software specificationsSupported Routing Protocols Supported Media Encapsulation TypeCommon CLI key commands Configuring the Cabletron SmartSwitch RouterUnderstanding the Command Line Interface Basic Line Editing CommandsAccess Modes Enable Mode User ModeOspf Configure Mode Disabling a Function or Feature Loading System Images and Configuration FilesBoot Prom Mode Loading System Image Software Boot and System ImageConfiguration Files Enter the system image list command to verify the change Loading Boot Prom SoftwareCtron-ssr-1#system show version Activate the Configuration Commands in the ScratchpadEnter yes or y to activate the changes Copy the Configuration to the Startup Configuration FileManaging the SSR CLI displays the following messageSet SSR Date and Time Configure NTPConfigure the SSR CLI Set SSR NameConfigure DNS Monitoring ConfigurationConfigure Snmp Services Task Command Spanning Tree Ieee 802.1d Chapter Bridging Configuration GuideBridging Overview Bridging Modes Flow-Based and Address-Based Vlan OverviewSubnet-based VLANs Port-based VLANsMAC-address-based VLANs Protocol-based VLANsVLANs and the SSR SSR Vlan SupportMulticast-based VLANs Policy-based VLANsPorts, VLANs, and L3 Interfaces Access Ports and Trunk Ports 802.1Q supportExplicit and Implicit VLANs Configuring SSR Bridging FunctionsConfigure Address-based or Flow-based Bridging Address-Based Bridge Table Flow-Based Bridge Table Configuring Spanning TreeSet a Port Priority Adjust Spanning-Tree ParametersEnable spanning tree on one or more ports Set the Bridge PriorityAssign Port Costs Adjust Bridge Protocol Data Unit Bpdu IntervalsAdjust the Interval between Hello Times Define the Forward Delay IntervalCreate a Port or Protocol Based Vlan Configuring a Port or Protocol based VlanConfiguring Vlan Trunk Ports Define the Maximum AgeMonitor Bridging Configure Bridging for Non-IP/IPX ProtocolsConfigure Layer-2 Filters Creating an IP or IPX Vlan Configuration ExamplesIP Routing Overview Chapter IP Routing Configuration GuideMulticast Routing Protocols IP Routing ProtocolsSSR supports standards based TCP, UDP, and IP Unicast Routing ProtocolsSpecify Ethernet Encapsulation Method Configuring IP Interfaces and ParametersConfigure IP Addresses to Ports Configure IP Interfaces for a VlanConfigure Proxy ARP Configure Address Resolution ProtocolConfigure ARP Cache Entries Specify ping Configure DNS ParametersConfigure IP Services Icmp Configure IP HelperMonitor IP Parameters Configure Direct BroadcastShow DNS parameters Assigning IP/IPX InterfacesShow ARP entries in routing table Page RIP Overview Chapter RIP Configuration GuideConfigure RIP Enabling and Disabling RIP Configuring RIP InterfacesConfigure RIP Parameters Configure RIP Route Preference Monitoring RIP Configure RIP Route Default-MetricShow detailed information of response Configuration ExamplePackets sent by the router Show RIP timer information Page Ospf Overview Configuration GuideChapter Disable Ospf Configure OspfEnable Ospf Enable OspfOspf Interface Parameters Configure Ospf Interface ParametersOspf Parameter Default Value Add an interface to an Ospf area Configure an Ospf AreaCreate an Ospf area Add a network to an Ospf area for Configure Ospf Area ParametersCreate Virtual Links Add a stub host to an Ospf areaSet virtual link Configure Ospf over Non-Broadcast Multiple AccessCreate a virtual LinkMonitoring Ospf Ospf Configuration Examples Export All RIP, Interface & Static Routes to Ospf Exporting All Interface & Static Routes to OspfCreate a Static export source Create a Ospf export destination for type-1 routesCreate a Ospf export destination for type-2 routes Create a RIP export sourceCreate OSPF-ASE export source Create a RIP export destinationCreate Ospf export source R10 BGP Overview Chapter BGP Configuration GuideSSR BGP Implementation Basic BGP TasksIp-router global set autonomous-system num1 loops num2 Setting the Autonomous System NumberSetting the Router ID Configuring a BGP Peer GroupAutonomous-system number WhereBgp add network ip-addr-maskall group number Using AS-Path Regular ExpressionsAdding a BGP Peer Starting BGPTo import MCI routes with a preference AS-Path Regular Expression ExamplesUsing the AS Path Prepend Feature BGP Peering Session Example BGP Configuration ExamplesPhysical Link Peering Relationship AS-1 AS-2Gated.conf file for router SSR1 is as follows CLI configuration for router SSR1 is as followsCLI configuration for router SSR2 is as follows Ibgp Routing Group Example Ibgp Configuration ExampleGated.conf file for router SSR2 is as follows AS-64801 Sample Ibgp Configuration Routing Group TypeFollowing lines in the Cisco router configure Ospf Ibgp Internal Group Example Sample Ibgp Configuration Internal Group Type Illustrates a sample Ibgp Internal group configurationGated.conf file for router SSR1 is as follows Configuration for router C2 a Cisco router is as follows Ebgp Multihop Configuration ExampleConfiguration for router C1 a Cisco router is as follows Physical Link AS-64800CLI configuration for router SSR3 is as follows Gated.conf file for router SSR4 is as follows CLI configuration for router SSR4 is as followsCommunity Attribute Example Gated.conf file for router SSR3 is as followsSample BGP Configuration Specific Community Sample BGP Configuration Well-Known Community , router SSR11 has the following configuration , router SSR13 has the following configuration , router SSR14 has the following configuration , router SSR10 has the following configurationBGP Configuration Guide LocalPref Attribute Example Sample BGP Configuration LocalPref Attribute Multi-Exit Discriminator Attribute Example Router SSR6 has the following CLI configuration Sample BGP Configuration MED AttributeAS-64901 Router SSR8 has the following CLI configurationEbgp Aggregation Example AS-64900Route Reflection Example Router SSR9 has the following CLI configurationAS-64902 Shows a sample configuration that uses route reflectionBgp set peer-group rtr11 reflector-client SmartSwitch Router User Reference Manual 105 106 Route Import and Export Policy Overview Chapter Routing Policy Configuration GuidePreference Default Preference ValuesPreference Defined by CLI Command Default Import-Source Import PoliciesExport-Source Export PoliciesRoute-Filter Export-DestinationSpecifying a Route Filter Aggregates and Generates Aggregate-Source Aggregate-DestinationAuthentication Methods AuthenticationAuthentication Keys and Key Management Configure Simple Routing PoliciesRedistributing Directly Attached Networks Redistributing Static RoutesRedistributing Aggregate Routes Redistributing RIP into RIPRedistributing RIP into Ospf Redistributing Ospf to RIPExample 1 Redistribution into RIP Simple Route Redistribution ExamplesTo redistribute aggregate Routes into OspfExample 2 Redistribution into Ospf Exporting a Given Static Route to All RIP InterfacesExporting All Static Routes to All RIP Interfaces 120 Configure Advanced Routing Policies 122 Creating an Export Source Creating an Export DestinationCreate a RIP import Creating an Import SourceCreating a Route Filter Creating an Aggregate RouteSmartSwitch Router User Reference Manual 125 Example 1 Importing from RIP Creating an Aggregate DestinationCreating an Aggregate Source Examples of Import PoliciesR41 128 Example 2 Importing from Ospf 130 131 Routing Policy Configuration Importing a Selected Subset of OSPF-ASE Routes Example 1 Exporting to RIP Examples of Export PoliciesIp-router policy create rip-export-source ripExpSrc Exporting a Given Static Route to a Specific RIP Interface Exporting Aggregate-Routes into RIP Ip-router policy create aggr-export-source aggrExpSrc Example 2 Exporting to Ospf SmartSwitch Router User Reference Manual 139 Exporting All RIP, Interface & Static Routes to Ospf SmartSwitch Router User Reference Manual 141 142 Igmp Overview Chapter Multicast Routing Configuration GuideIP Multicast Overview Dvmrp Overview Configure Igmp Response Wait Time Configure IgmpConfiguring Igmp on an IP Interface Configure Igmp Query IntervalStarting and Stopping Dvmrp Configure DvmrpConfigure Per-Interface Control of Igmp Membership Configure the Dvmrp Routing Metric Configure Dvmrp on an InterfaceConfigure Dvmrp Parameters Configure a Dvmrp Tunnel Configure Dvmrp TTL & ScopeMonitor Igmp & Dvmrp Show all multicast routes Show all interfaces runningMulticast protocols Igmp RIP Routing Information Protocol Chapter IPX Routing Configuration GuideIPX Routing Overview SAP Service Advertising Protocol IPX Addresses Configuring IPX RIP & SAPCreating IPX Interfaces Specify IPX Encapsulation Method Configuring IPX Interfaces and ParametersConfigure IPX Addresses to Ports Configure IPX Interfaces for a VlanConfigure Static Routes Configure IPX RoutingEnable IPX RIP Enable SAPCreate an IPX Access Control List Configure Static SAP Table EntriesControl Access to IPX Networks Create an IPX GNS Access Control List Create an IPX Type 20 Access Control ListCreate an IPX SAP Access Control List Monitor an IPX Network Create an IPX RIP Access Control ListAdds a SAP access list Adds a GNS access list 160 Security Overview Chapter Security Configuration GuideMonitor Radius Configuring SSR Access SecurityConfigure Radius Configure TacacsMonitor Tacacs Plus Configure Tacacs PlusMonitor Tacacs Layer-2 Security Filters Configure PasswordsConfiguring Layer-2 Port-to-Address Lock Filters Configuring Layer-2 Address FiltersConfigure a destination static Configuring Layer-2 Static Entry FiltersConfiguring Layer-2 Secure Port Filters Configure a source staticMonitor Layer-2 Security Filters Engineers, Consultant Engineering Finance File Servers Layer-2 Filter ExamplesEt.1.1 et.1.2et.1.3 HubExample 2 Secure Ports Port-to-Address Lock ExamplesAnatomy of an ACL Rule Layer-3 Access Control Lists ACLsLayer-3 & Layer-4 Traffic Filters Access Control List Ordering of ACL Rules Implicit Deny Rule Applying ACLs to Interfaces ACL Logging Applying ACLs to ServicesMaintaining ACLs Offline Using Tftp or RCP Defining an IP ACL Maintaining ACLs Using the ACL EditorConfigure ACL Applying an ACL to an Interface Monitoring Access Control ListsApplying an ACL to a Service Defining an IPX ACLShow ACLs on all IPX interfaces QoS & Layer-2/Layer-3/Layer-4 Flow Overview Chapter QoS Configuration GuideLayer-2, Layer-3 & Layer-4 Flow Specification SSR Queuing Policies Precedence for Layer-3 FlowsConfiguring Layer-3 & Layer-4 QoS Configure Layer-2 QoSSpecifying Precedence for an IP QoS Policy Configuring IP QoS PoliciesConfiguring IPX QoS Policies Setting an IP QoS PolicySpecifying Precedence for an IPX QoS Policy Configuring SSR Queueing PolicyAllocating Bandwidth for a Weighted-Fair Queuing Policy Setting an IPX QoS PolicyShow all Layer-2 QoS flows Monitoring QoSShow all IP QoS flows Show all IPX QoS flowsPerformance Monitoring Overview Chapter Performance Monitoring GuideMAC table Show information about a Bridging mode Show information about the masterShow port error statistics Show all L2 flows for ports in flowPort port list Configuring the SSR for Port Mirroring188 Hot Swapping Line Cards Chapter Hot Swapping Line Cards Control ModulesHot Swapping Overview To remove a line card from the SSR Deactivating the Line CardRemoving the Line Card To deactivate the line card, do one of the followingHot Swapping One Type of Line Card With Another Installing a New Line CardTo install a new line card Hot Swapping a Secondary Control ModuleTo remove a Control Module from the SSR Deactivating the Control ModuleRemoving the Control Module To deactivate the Control ModuleTo deactivate the Switching Fabric Module Hot Swapping a Switching Fabric Module SSR 8600 onlyInstalling the Control Module To install a new Control Module or line card into the slotTo install a Switching Fabric Module To remove the Switching Fabric ModuleVrrp Overview Configuring VrrpFollowing is the configuration file for Router R1 in Figure Basic Vrrp ConfigurationBackup Configuration of Router R1Following is the configuration file for Router R2 in Figure Symmetrical ConfigurationConfiguration for Router R2 Symmetrical Vrrp Configuration Master for VRID=1 Master for VRID=2 Backup for VRID=2Configuration of Router R2 Multi-Backup ConfigurationMulti-Backup Vrrp Configuration SmartSwitch Router User Reference Manual 201 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 Specific virtual router Vrrp Configuration NotesIp-redundancy show Virtual routers Display information about allSmartSwitch Router User 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