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Table of Contents 
1 IP Routing Overview··································································································································1-1 
IP Routing and Routing Table·················································································································1-1 
Routing ············································································································································1-1 
Routing Table ··································································································································1-1 
Routing Protocol Overview ·····················································································································1-3 
Static Routing and Dynamic Routing·······························································································1-3 
Routing Protocols and Routing Priority ···························································································1-3 
Displaying and Maintaining a Routing Table ··························································································1-3 
2 Static Routing Configuration····················································································································2-1 
Introduction ·············································································································································2-1 
Static Route·····································································································································2-1 
Default Route···································································································································2-1 
Application Environment of Static Routing ······················································································2-2 
Configuring a Static Route······················································································································2-2 
Configuration Prerequisites ·············································································································2-2 
Configuration Procedure··················································································································2-3 
Detecting Reachability of the Static Route’s Nexthop ············································································2-3 
Detecting Nexthop Reachability Through Track··············································································2-3 
Displaying and Maintaining Static Routes·······························································································2-4 
Static Route Configuration Example·······································································································2-4 
Basic Static Route Configuration Example······················································································2-4 
3 RIP Configuration······································································································································3-1 
RIP Overview ··········································································································································3-1 
Operation of RIP······························································································································3-1 
Operation of RIP······························································································································3-2 
RIP Version ·····································································································································3-2 
RIP Message Format·······················································································································3-3 
Supported RIP Features··················································································································3-5 
Protocols and Standards·················································································································3-5 
Configuring RIP Basic Functions ············································································································3-5 
Configuration Prerequisites ·············································································································3-5 
Configuration Procedure··················································································································3-5 
Configuring RIP Route Control ···············································································································3-7 
Configuring an Additional Routing Metric························································································3-7 
Configuring RIPv2 Route Summarization························································································3-8 
Disabling Host Route Reception ·····································································································3-9 
Advertising a Default Route·············································································································3-9 
Configuring Inbound/Outbound Route Filtering·············································································3-10 
Configuring a Priority for RIP·········································································································3-10 
Configuring RIP Route Redistribution ···························································································3-11 
Configuring RIP Network Optimization ·································································································3-11 
Configuring RIP Timers·················································································································3-11 
Configuring Split Horizon and Poison Reverse·············································································3-12