Network Router User Manual

SmartSwitch Router User Reference Manual xvii
Contents
Configuring RIP Route Preference.............................................................................108
Configuring RIP Route Default-Metric......................................................................108
Monitoring RIP.....................................................................................................................108
Configuration Example.......................................................................................................109
Chapter 11: OSPF Configuration Guide............................................... 111
OSPF Overview....................................................................................................................111
OSPF Multipath.............................................................................................................112
Configuring OSPF................................................................................................................112
Enabling OSPF...............................................................................................................113
Configuring OSPF Interface Parameters ...................................................................113
Default Cost of an OSPF Interface..............................................................................114
Configuring an OSPF Area..........................................................................................115
Configuring OSPF Area Parameters..........................................................................116
Creating Virtual Links..................................................................................................116
Configuring Autonomous System External (ASE) Link Advertisements............117
Configuring OSPF for Different Types of Interfaces ...............................................117
Monitoring OSPF..................................................................................................................118
OSPF Configuration Examples...........................................................................................120
Exporting All Interface & Static Routes to OSPF.......................................121
Exporting All RIP, Interface & Static Routes to OSPF...............................121
Chapter 12: BGP Configuration Guide................................................. 125
BGP Overview......................................................................................................................125
The SSR BGP Implementation.....................................................................................126
Basic BGP Tasks....................................................................................................................126
Setting the Autonomous System Number ................................................................127
Setting the Router ID....................................................................................................127
Configuring a BGP Peer Group..................................................................................127
Adding and Removing a BGP Peer............................................................................129
Starting BGP...................................................................................................................129
Using AS-Path Regular Expressions..........................................................................129
AS-Path Regular Expression Examples..............................................................131
Using the AS Path Prepend Feature...........................................................................131
Notes on Using the AS Path Prepend Feature...................................................132
BGP Configuration Examples ............................................................................................132
BGP Peering Session Example ....................................................................................133
IBGP Configuration Example......................................................................................135
IBGP Routing Group Example.............................................................................136
IBGP Internal Group Example.............................................................................139
EBGP Multihop Configuration Example...................................................................142
Community Attribute Example..................................................................................145
Notes on Using Communities..............................................................................152
Local Preference Examples..........................................................................................152
Using the local-pref Option..................................................................................154
Using the set-pref Option.....................................................................................154
Multi-Exit Discriminator Attribute Example............................................................155
EBGP Aggregation Example .......................................................................................156
Route Reflection Example............................................................................................157