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Cabletron Systems manual SmartSwitch Router User Reference Manual 143

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Chapter 10: BGP Configuration Guide

The gated.conf file for router SSR1 is as follows:

autonomoussystem 1 ;

routerid 16.122.128.1 ;

bgp yes {

traceoptions aspath detail packets detail open detail update ;

group type internal peeras 1

{

peer 16.122.128.2

;

peer 16.122.128.8

;

peer 16.122.128.9

;

};

};

The CLI configuration for router SSR2 is as follows:

ip-router global set autonomous-system 1

bgp create peer-group int-ibgp-1 type internal autonomous-system 1 bgp add peer-host 16.122.128.1 group int-ibgp-1

bgp add peer-host 16.122.128.8 group int-ibgp-1 bgp add peer-host 16.122.128.9 group int-ibgp-1

The gated.conf file for router SSR2 is as follows:

autonomoussystem 1 ;

routerid 16.122.128.2 ;

bgp yes {

traceoptions aspath detail packets detail open detail update ;

group type internal peeras 1

{

peer 16.122.128.1

;

peer 16.122.128.8

;

peer 16.122.128.9

;

};

};

SmartSwitch Router User Reference Manual

143

Image 143

Cabletron Systems manual SmartSwitch Router User Reference Manual 143

Contents

9032578-04 SmartSwitch Router User Reference ManualSmartSwitch Router User Reference Manual Vcci Notice Industry Canada NoticeCabletron SYSTEMS, INC Program License Agreement SmartSwitch Router User Reference Manual SmartSwitch Router User Reference Manual SmartSwitch Router User Reference Manual Cabletron Systems Limited Program License Agreement SmartSwitch Router User Reference Manual Laser Radiation and Connectors Safety InformationEC Directive 73/23/EEC EC Directive 89/336/EECSmartSwitch Router User Reference Manual Contents Hot Swapping Line Cards and Control Modules Creating a non-IP/non-IPX Vlan SmartTRUNK Configuration GuideVrrp Configuration Guide 127 IP Multicast Overview 199 Multicast Routing Configuration Guide 199209 Web Hosting Configuration Guide 233 255 QoS Configuration Guide 283 WAN Configuration Guide 315 Contents Who Should Read This Manual? How to Use This ManualPreface About This ManualPreface For Information About See Installing and setting up the SSRManaging the SSR using Cabletron’s Related DocumentationPreface SmartSwitch Router User Reference Manual Chapter SSR Product Overview SSR Hardware and software specificationsFeature Specification Multicast IGMP, Dvmrp IPX RIP, SAPSupported Routing Protocols Supported Media Encapsulation TypeRouting Information Protocol RIP Version 1 Configuring the SmartSwitch RouterUnderstanding the Command Line Interface Key Sequence Command Basic Line Editing CommandsAccess Modes Common CLI key commandsUser Mode Enable Mode Exit Configure Mode Pvst Boot Prom ModeConfiguration Files Loading System Images and Configuration FilesDisabling a Function or Feature Boot and System ImageSsr# system show version Loading System Image SoftwareEnter the system image list command to verify the change Loading Boot Prom SoftwareActivating the Configuration Commands in the Scratchpad Enter yes or y to activate the changes Copying the Configuration to the Startup Configuration FileCLI displays the following message Managing the SSR Displaying Configuration ChangesConfiguring NTP Setting the SSR NameSetting SSR Date and Time Configuring DNS Configuring the SSR CLIConfiguring Snmp Services Configuring Logging Connecting Between the SSR and Other SystemsTask Command Monitoring ConfigurationReboot Show the status of the switching fabric Show the SSR login bannerShow the type of Power-On Self Test Post Show the configuration changesHot Swapping Line Cards Chapter Hot Swapping Line Cards Control ModulesHot Swapping Overview Removing the Line Card Deactivating the Line CardHot Swapping One Type of Line Card With Another Installing a New Line CardHot Swapping a Secondary Control Module Removing the Control Module Deactivating the Control ModuleInstalling the Control Module Hot Swapping a Switching Fabric Module SSR 8600 onlySSR-SF-16 Offline Switching Fabric 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 FunctionsConfiguring Address-based or Flow-based Bridging Address-Based Bridge Table Flow-Based Bridge Table Configuring Spanning TreeMore ports for a particular Vlan Adjusting Spanning-Tree ParametersSetting the Bridge Priority Assigning Port Costs Setting a Port PriorityAdjusting Bridge Protocol Data Unit Bpdu Intervals Defining the Maximum Age Adjusting the Interval between Hello TimesDefining the Forward Delay Interval Creating a Port or Protocol Based Vlan Configuring a Port or Protocol based VlanConfiguring Vlan Trunk Ports Configuring VLANs for BridgingMonitoring Bridging Configuring Layer-2 FiltersShow information on MACs Configuration ExamplesCreating an IP or IPX Vlan Creating a non-IP/non-IPX VlanPage Overview Chapter SmartTRUNK Configuration GuideAdd Physical Ports to the SmartTRUNK Configuring SmartTRUNKsCreating a SmartTRUNK Specify Traffic Distribution Policy Optional Monitoring SmartTRUNKsSt.2 St.4 Router Switch Server Example ConfigurationsSmartTRUNK Configuration Guide Page Dhcp Overview Configuration GuideChapter Client Parameters Configuring DhcpConfiguring an IP Address Pool Configuring Client ParametersGrouping Scopes with a Common Interface Configuring a Static IP AddressMonitoring the Dhcp Server Configuring Dhcp Server ParametersUpdating the Lease Database Define a static IP address for Dhcp Configuration ExamplesDefine Dhcp network parameters for the scope ‘scope1’ Define an IP address pool for addresses 10.1.1.10 throughConfiguring Secondary Subnets Include ‘scope2’ in the superscope ‘super1’ Secondary Subnets and Directly-Connected ClientsInteracting with Relay Agents Define the address pool for ‘scope1’ Page IP Routing Overview Chapter IP Routing Configuration GuideMulticast Routing Protocols IP Routing ProtocolsSSR supports standards-based TCP, UDP, and IP Unicast Routing ProtocolsSpecifying Ethernet Encapsulation Method Configuring IP Interfaces and ParametersConfiguring IP Addresses to Ports Configuring IP Interfaces for a VlanConfiguring Proxy ARP Configuring Address Resolution Protocol ARPConfiguring ARP Cache Entries Defining MAC-to-IP Address Mappings Configuring Reverse Address Resolution Protocol RarpSpecifying IP Interfaces for Rarp Specify ping Configuring DNS ParametersConfiguring IP Services Icmp Monitoring RarpConfiguring Denial of Service DOS Configuring IP HelperConfiguring Direct Broadcast Monitoring IP Parameters Configuring Router DiscoveryAssigning IP/IPX Interfaces IP Routing Configuration Guide Vrrp 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 101 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 Reference Manual 107 108 RIP Overview Chapter RIP Configuration GuideConfiguring RIP Enabling and Disabling RIP Configuring RIP InterfacesConfiguring RIP Parameters Specify that RIP V2 packets Set the authentication methodCharacters Set the authentication method To RIPMonitoring RIP Configuring RIP Route PreferenceConfiguring RIP Route Default-Metric Configuration Example 114 Ospf Overview OspfOspf Multipath Configuring OspfEnable Ospf Disable OspfOspf Interface Parameters Configuring Ospf Interface ParametersOspf Parameter Default Value Add an interface to an Ospf area Configuring an Ospf AreaCreate an Ospf area Add a network to an Ospf area for Configuring Ospf Area ParametersCreating Virtual Links Add a stub host to an Ospf areaSet virtual link Configuring Ospf over Non-Broadcast Multiple AccessCreate a virtual LinkMonitoring Ospf Ospf Configuration Examples Exporting 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 WhereStarting BGP Using AS-Path Regular ExpressionsAdding and Removing a BGP Peer 132 To import MCI routes with a preference Using the AS Path Prepend FeatureAS-Path Regular Expression Examples Following is an example BGP Configuration ExamplesBGP Peering Session Example Physical Link Peering Relationship CLI configuration for router SSR1 is as followsAS-1 AS-2 Gated.conf file for router SSR2 is as follows Ibgp Configuration ExampleCLI configuration for router SSR2 is as follows Gated.conf file for router SSR1 is as followsIbgp Routing Group Example 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 configurationSmartSwitch Router User Reference Manual 143 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 configurationSmartSwitch Router User Reference Manual 153 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 reflectionSmartSwitch Router User Reference Manual 161 162 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 Configuring Simple Routing PoliciesRedistributing Directly Attached Networks Redistributing Static RoutesRedistributing Aggregate Routes Redistributing RIP into RIPRedistributing RIP into Ospf Redistributing Ospf to RIP Example 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 176 Configuring Advanced Routing Policies 178 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 181 Example 1 Importing from RIP Creating an Aggregate DestinationCreating an Aggregate Source Examples of Import PoliciesR41 184 Example 2 Importing from Ospf 186 R41 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 195 196 SmartSwitch Router User Reference Manual 197 198 Igmp Overview Chapter Multicast Routing Configuration GuideIP Multicast Overview Dvmrp Overview Configuring Igmp Response Wait Time Configuring IgmpConfiguring Igmp on an IP Interface Configuring Igmp Query IntervalStarting and Stopping Dvmrp Configuring DvmrpConfiguring Per-Interface Control of Igmp Membership Configuring the Dvmrp Routing Metric Configuring Dvmrp on an InterfaceConfiguring Dvmrp Parameters Configuring a Dvmrp Tunnel Configuring Dvmrp TTL & ScopeMonitoring Igmp & Dvmrp Show all multicast routes Show all interfaces runningMulticast protocols Igmp Page 208 Chapter IP Policy-Based Forwarding Configuration Guide Associating the Profile with an IP Policy Configuring IP PoliciesDefining an ACL Profile Creating Multi-statement IP Policies Setting the IP Policy Action Setting Load Distribution for Next-hop GatewaysChecking the Availability of Next-hop Gateways Applying an IP Policy to an InterfaceAll IP interfaces on the SSR IP Policy Configuration ExamplesRouting Traffic to Different ISPs An IP interface Apply a defined IP policy toUsing an IP policy to route traffic to two different ISPs Using an IP policy to prioritize service to customers Prioritizing Service to CustomersUsing an IP policy to authenticate users through a firewall Authenticating Users through a FirewallSelecting Next Hop Gateway from IP Packet Information Firewall Load BalancingDisplay statistics about a Monitoring IP PoliciesDisplay information about all IP policiesIp-policy show interface interface SmartSwitch Router User Reference Manual 221 222 Chapter Network Address Translation Configuration Guide Setting Inside and Outside Interfaces Configuring NATDynamic Setting NAT RulesManaging Dynamic Bindings StaticMonitoring NAT Static ConfigurationSpecify the FTP session timeout NAT and FTPThen, define the NAT static rules Using Static NATFirst step is to create the interfaces Next, define the interfaces to be NAT inside or outsideUsing Dynamic NAT Dynamic ConfigurationDynamic NAT with IP Overload PAT Configuration Dynamic NAT with Outside Interface Redundancy Using Dynamic NAT with IP OverloadUsing Dynamic NAT with Matching Interface Redundancy 232 Chapter Web Hosting Configuration Guide Specifying Load Balancing Policy Optional Configuring Load BalancingLoad Balancing Creating the Server GroupAdding Servers to the Load Balancing Group Setting Server StatusLoad Balancing and FTP Allowing Access to Load Balancing ServersSetting Timeouts for Load Balancing Mappings Displaying Load Balancing Information Configuration Examples207.135.89.16 10.1.1.1 Ftp.quick..com 10.1.1.2 Ftp.quick.com Internet Router User Queries207.135.89.16 207.135.89.17 207.135.89.18 Virtual IP Address RangesWeb Caching Configuring Web CachingNot redirected to cache servers Creating the Cache GroupSpecifying the Clients for the Cache Group Optional Redirected to cache serversBypassing Cache Servers Configuration ExampleOther Configurations Proxy Server Redundancy Distributing Frequently-Accessed Sites Across Cache ServersMonitoring Web-Caching Show cache server information Show caching policy informationRIP Routing Information Protocol Chapter IPX Routing Configuration GuideIPX Routing Overview SAP Service Advertising Protocol IPX Addresses Configuring IPX RIP & SAPCreating IPX Interfaces Specifying IPX Encapsulation Method Configuring IPX Interfaces and ParametersConfiguring IPX Addresses to Ports Configuring IPX Interfaces for a VlanEnabling SAP Configuring IPX RoutingConfiguring Static Routes Enabling IPX RIPCreating an IPX Access Control List Configuring Static SAP Table EntriesControlling Access to IPX Networks Creating an IPX GNS Access Control List Creating an IPX Type 20 Access Control ListCreating an IPX SAP Access Control List Monitoring an IPX Network Creating an IPX RIP Access Control ListAdds a SAP access list Adds a GNS access list 254 Chapter Access Control List Configuration Guide Defining Selection Criteria in ACL Rules ACL BasicsHow 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 Using ACLs as Profiles Applying ACLs to ServicesUsing Profile ACLs with the IP Policy Facility Following SSR features use ACL profilesSSR Feature ACL Profile Usage Using Profile ACLs with the Traffic Rate Limiting Facility Using Profile ACLs with the Port Mirroring Facility Using Profile ACLs with Dynamic NATRedirecting Http Traffic to Cache Servers Using Profile ACLs with the Web Caching FacilityPreventing Web Objects From Being Cached Enabling ACL LoggingMonitoring ACLs 270 Security Overview Chapter Security Configuration GuideConfiguring Radius Configuring SSR Access SecurityMonitoring Tacacs Configuring TacacsMonitoring Radius Monitoring Tacacs Plus Configuring Tacacs PlusLayer-2 Security Filters Configuring 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 staticMonitoring Layer-2 Security Filters Static Entries Example Layer-2 Filter ExamplesEt.1.1 Et.1.2 Et.1.3 Hub Example 2 Secure Ports Port-to-Address Lock ExamplesLayer-3 Access Control Lists ACLs 282 QoS & Layer-2/Layer-3/Layer-4 Flow Overview Chapter QoS Configuration GuidePrecedence for Layer-3 Flows Layer-2 and Layer-3 & Layer-4 Flow SpecificationSSR Queuing Policies Configuring Layer-2 QoSTraffic Prioritization for Layer-2 Flows Traffic Prioritization for Layer-3 & Layer-4 Flows Configuring IP QoS PoliciesSpecifying Precedence for an IP QoS Policy Configuring IPX QoS PoliciesSetting an IP QoS Policy Setting an IPX QoS PolicySpecifying Precedence for an IPX QoS Policy Configuring SSR Queueing PolicyAllocating Bandwidth for a Weighted-Fair Queuing Policy ToS RewriteMBZ Configuring ToS Rewrite for IP PacketsTos-rewrite Show all IPX QoS flows Monitoring QoSLimiting Traffic Rate Show all IP QoS flowsInterface Example ConfigurationDefine a rate limit profile Apply a rate limit profile to anInterface interface Displaying Rate Limit Information294 Performance Monitoring Overview Chapter Performance Monitoring GuideParticular MAC address Show info about multicasts Show port error statisticsShow information about the master MAC table Show information about aOnly IP ACLs can be specified for port mirroring Configuring the SSR for Port MirroringMonitoring Broadcast Traffic 298 Rmon Overview Configuring and Enabling RmonExample of Rmon Configuration Commands Lite Rmon Groups Rmon GroupsProfessional Rmon Groups Standard Rmon GroupsControl Tables Using Rmon Configuring Rmon Groups Size owner string status enabledisable EnabledisableNum status enabledisable String status enabledisableRmon user-history-control index index-number Port port owner string status enabledisableOid type absolutedelta status enabledisable Rmon protocol-distribution index index-numberDisplaying Rmon Information Rmon CLI Filters 01000CCCCCCC Following shows Host table output without a CLI filterCreating Rmon CLI Filters Troubleshooting RmonUsing Rmon CLI Filters 312 Ssr# rmon show status Rmon Status Allocating Memory to RmonRmon set memory number WAN Overview WANStatic Addresses Configuring WAN InterfacesPrimary and Secondary Addresses Static, Mapped, and Dynamic Peer IP/IPX AddressesDynamic Addresses Following command line displays an example for a VlanFollowing command line displays two examples for PPP Mapped AddressesPacket Compression Following command line displays an example for PPPForcing Bridged Encapsulation Link Integrity Example ConfigurationsAverage Packet Size Nature of the DataPacket Encryption WAN Quality of ServiceRandom Early Discard RED Weighted-Fair QueueingSource Filtering and ACLs Congestion ManagementAdaptive Shaping Frame Relay OverviewVirtual Circuits Permanent Virtual Circuits PVCs Configuring Frame Relay Interfaces for the SSRApplying a Service Profile to an Active Frame Relay WAN Port Setting up a Frame Relay Service ProfileMonitoring Frame Relay WAN Ports Frame Relay Port Configuration326 Use of LCP Magic Numbers Configuring PPP InterfacesPoint-to-Point Protocol PPP Overview Defining the Type and Location of a PPP Interface Setting up a PPP Service ProfileCompression on MLP Bundles or Links Applying a Service Profile to an Active PPP PortConfiguring Multilink PPP Bundles Monitoring PPP WAN Ports PPP Port ConfigurationSsrconfig# ppp apply service profile2 ports hs.5.1 Simple Configuration File WAN Configuration ExamplesMulti-router WAN configuration Multi-Router WAN ConfigurationFollowing configuration file applies to Router R2 Router R1 Configuration FileFollowing configuration file applies to Router R1 Router R2 Configuration FileFollowing configuration file applies to Router R4 Router R3 Configuration FileFollowing configuration file applies to Router R3 Router R4 Configuration FileFollowing configuration file applies to Router R6 Router R5 Configuration FileFollowing configuration file applies to Router R5 Router R6 Configuration FileSmartSwitch Router User Reference Manual 337 338