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Cabletron Systems SMARTSWITCH ROUTER 9032578-05 User Manual

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SmartSwitch Router User Reference Manual

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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