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SmartSwitch Router User Reference Manual 17
Contents
Configuring OSPF over Non-Broadcast Multiple Access .......................................120
Monitoring OSPF..................................................................................................................121
OSPF Configuration Examples...........................................................................................122
Exporting All Interface & Static Routes to OSPF .......................................123
Exporting All RIP, Interface & Static Routes to OSPF...............................123
Chapter 10: BGP Configuration Guide................................................. 127
BGP Overview ......................................................................................................................127
The SSR BGP Implementation.....................................................................................128
Basic BGP Tasks....................................................................................................................128
Setting the Autonomous System Number ................................................................129
Setting the Router ID ....................................................................................................129
Configuring a BGP Peer Group ..................................................................................129
Adding and Removing a BGP Peer............................................................................131
Starting BGP...................................................................................................................131
Using AS-Path Regular Expressions ..........................................................................131
AS-Path Regular Expression Examples ..............................................................133
Using the AS Path Prepend Feature...........................................................................133
Notes on Using the AS Path Prepend Feature...................................................134
BGP Configuration Examples ............................................................................................134
BGP Peering Session Example ....................................................................................135
IBGP Configuration Example......................................................................................137
IBGP Routing Group Example.............................................................................138
IBGP Internal Group Example.............................................................................141
EBGP Multihop Configuration Example...................................................................144
Community Attribute Example ..................................................................................147
Notes on Using Communities..............................................................................154
Local_Pref Attribute Example.....................................................................................154
Notes on Using the Local_Pref Attribute ...........................................................156
Multi-Exit Discriminator Attribute Example............................................................156
EBGP Aggregation Example .......................................................................................158
Route Reflection Example............................................................................................159
Notes on Using Route Reflection.........................................................................162
Chapter 11: Routing Policy Configuration Guide ............................... 163
Route Import and Export Policy Overview......................................................................163
Preference.......................................................................................................................164
Import Policies...............................................................................................................165
Import-Source.........................................................................................................165
Route-Filter .............................................................................................................166
Export Policies ...............................................................................................................166
Export-Destination ................................................................................................166
Export-Source .........................................................................................................166
Route-Filter .............................................................................................................167
Specifying a Route Filter ..............................................................................................167
Aggregates and Generates...........................................................................................168
Aggregate-Destination..........................................................................................169
Aggregate-Source ..................................................................................................169
Route-Filter .............................................................................................................170