SmartSwitch Router User Reference Manual 9ContentsAssigning IP/IPX Interfaces..........................................................................................51Chapter 4: RIP Configuration Guide ...................................................... 53RIP Overview..........................................................................................................................53Configure RIP .........................................................................................................................53Enabling and Disabling RIP ..........................................................................................54Configuring RIP Interfaces ............................................................................................54Configure RIP Parameters .............................................................................................54Configure RIP Route Preference...................................................................................55Configure RIP Route Default-Metric ...........................................................................56Monitoring RIP .......................................................................................................................56Configuration Example .........................................................................................................57Chapter 5: OSPF Configuration Guide................................................... 59OSPF Overview .................................................................................................................. ....59OSPF Multipath...............................................................................................................60Configure OSPF................................................................................................................. .....60Enable OSPF.................................................................................................................... .60Configure OSPF Interface Parameters .........................................................................61Configure an OSPF Area................................................................................................62Configure OSPF Area Parameters ................................................................................63Create Virtual Links........................................................................................................63Configure Autonomous System External (ASE) Link Advertisements ..................64Configure OSPF over Non-Broadcast Multiple Access.............................................64Monitoring OSPF....................................................................................................................65OSPF Configuration Examples.............................................................................................66Exporting All Interface & Static Routes to OSPF .........................................67Export All RIP, Interface & Static Routes to OSPF ......................................67Chapter 6: BGP Configuration Guide..................................................... 71BGP Overview ........................................................................................................................71The SSR BGP Implementation.......................................................................................72Basic BGP Tasks......................................................................................................................72Setting the Autonomous System Number ..................................................................73Setting the Router ID ......................................................................................................73Configuring a BGP Peer Group ....................................................................................73Adding a BGP Peer .........................................................................................................75Starting BGP.....................................................................................................................75Using AS-Path Regular Expressions ............................................................................75AS-Path Regular Expression Examples ................................................................76Using the AS Path Prepend Feature.............................................................................77Notes on Using the AS Path Prepend Feature.....................................................78BGP Configuration Examples ..............................................................................................78BGP Peering Session Example ......................................................................................78IBGP Configuration Example........................................................................................81IBGP Routing Group Example...............................................................................81IBGP Internal Group Example...............................................................................84EBGP Multihop Configuration Example.....................................................................87Community Attribute Example ....................................................................................90