SmartSwitch Router User Reference Manual 17
Contents
Configuring OSPF ove r Non-Broadcast M ultiple Access ................... .................... 120
Monitoring OSPF.... .......................... ......................... ........................ ........................ ...........121
OSPF Configuration E xamples............ ........................... ........................ ......................... ...122
Exporting All Interf ace & Static Routes to OSPF ....................... ................123
Exporting All RIP, In terface & Static R outes to OSPF. ........................ ......123
Chapter 10: BGP Configuration Guide.................................................127
BGP Overview ...................... ........................... ........................... .......................... ................127
The SSR BGP Implementati on....................... ........................... ........................... ........128
Basic BGP Tasks........ ........................... .......................... ........................... ............................128
Setting the Autonomo us System Number .......................... ......................... .............129
Setting the Router ID ................... .......................... ........................... ........................... .129
Configuring a BGP Pe er Group ............... ......................... ........................ ..................129
Adding and Removing a BGP Peer ..................... ........................... ......................... ...131
Starting BGP......... ......................... .......................... ......................... ........................ ......131
Using AS-Path Regula r Expressions ............ ........................ ........................... ...........131
AS-Path Regular Exp ression Examples ............... ........................ ....................... 133
Using the AS Path Prepend Feature...........................................................................133
Notes on Using the AS Path Prepend Feature...................................................134
BGP Configuration Exampl es ......................... ........................... ........................... .............134
BGP Peering Session Example ................. ......................... ........................ ..................1 35
IBGP Configuration Examp le................... ........................... ............................. ...........137
IBGP Routing Group E xample.......... ......................... ........................ ..................138
IBGP Internal Grou p Example. .......................... ......................... ........................ .141
EBGP Multihop Config uration Example .................... ........................ ....................... 144
Community Attribute Example .................... ........................ ......................... .............147
Notes on Using Comm unities......... ........................ ......................... .................... 154
Local_Pref Attribute E xample...... ........................ ......................... ........................ ......154
Notes on Using the L ocal_Pref Attribute ....... ........................ ........................... .156
Multi-Exit Discrimina tor Attribute Exam ple........ ........................ ......................... ...156
EBGP Aggregation Exa mple .................. ........................... ........................ ..................15 8
Route Reflection Exam ple............. ........................ ........................... ......................... ...159
Notes on Using Route Reflection...... ......................... .......................... ................16 2
Chapter 11: Routing Policy Configuration Guide............................... 163
Route Import and Exp ort Policy Overvie w.................. ........................... ........................ .163
Preference...... ................................................... ................................................... ...........164
Import Policies... ........................... ............................. ........................... ......................... 165
Import-Source....... ................................................... ............................................... 165
Route-Filter ............................................... ................................................... ...........166
Export Policies .................. ........................ ........................ ......................... ....................1 66
Export-Destination ..... ............................. ............................. ........................... ......166
Export-Source ................................................ ................................................... ......166
Route-Filter ............................................... ................................................... ...........167
Specifying a Route F ilter... ........................... ........................ ........................ ................167
Aggregates and Gener ates............ ........................ ......................... ........................ ......168
Aggregate-Destinati on...................................... ................................................... .169
Aggregate-Source ....... ........................ ........................... ........................... .............169
Route-Filter ............................................... ................................................... ...........170