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Configuring a large scale BGP network ···················································································································· 231
Configuration prerequisites ································································································································ 231
Configuring BGP peer groups ··························································································································· 231
Configuring BGP community ······························································································································ 233
Configuring a BGP route reflector ····················································································································· 233
Configuring a BGP confederation ····················································································································· 234
Configuring BGP GR ··················································································································································· 235
Enabling Trap ······························································································································································· 236
Enabling logging of peer state changes ···················································································································· 236
Configuring BFD for BGP ············································································································································ 236
Displaying and maintaining BGP ······························································································································· 237
Displaying BGP ···················································································································································· 237
Resetting BGP connections ································································································································· 238
Clearing BGP information ·································································································································· 239
BGP configuration examples ······································································································································ 239
BGP basic configuration example ····················································································································· 239
BGP and IGP synchronization configuration example ···················································································· 243
BGP load balancing configuration example ···································································································· 245
BGP community configuration example ············································································································ 247
BGP route reflector configuration example······································································································· 250
BGP confederation configuration example ······································································································· 251
BGP path selection configuration example······································································································· 255
BGP GR configuration example ························································································································· 258
BFD for BGP configuration example ················································································································· 259
Troubleshooting BGP ··················································································································································· 263
BGP peer relationship not established ·············································································································· 263
Configuring policy-based routing ·························································································································· 265
Introduction to policy-based routing ··························································································································· 265
What is policy-based routing ····························································································································· 265
Policy ···································································································································································· 265
PBR and track ······················································································································································· 267
Configuring PBR ··························································································································································· 267
Defining a policy ················································································································································· 267
Configuring local PBR ········································································································································· 268
Configuring interface PBR ·································································································································· 268
Displaying and maintaining PBR configuration ········································································································ 269
PBR configuration examples ········································································································································ 270
Configuring local PBR based on packet type ··································································································· 270
Configuring interface PBR based on packet type ···························································································· 271
Configuring IPv6 static routing ······························································································································· 274
Introduction to IPv6 static routing ······························································································································· 274
IPv6 static routes features ··································································································································· 274
Default IPv6 route ················································································································································ 274
Configuring an IPv6 static route ································································································································· 274
Configuration prerequisites ································································································································ 274
Configuration procedure ···································································································································· 274
Displaying and maintaining IPv6 static routes ·········································································································· 275
IPv6 static routing configuration example ················································································································· 276
Configuring RIPng ··················································································································································· 278
Introduction to RIPng ···················································································································································· 278
RIPng working mechanism ·································································································································· 278
RIPng packet format ············································································································································ 278
RIPng packet processing procedure ·················································································································· 279
