v
Configuring area authentication ············································································································· 162
Configuring routing domain authentication····························································································· 163
Configuring IS-IS GR ····································································································································· 163
Configuring IS-IS NSR ··································································································································· 164
Configuring BFD for IS-IS ······························································································································ 165
Configuring IS-IS FRR ··································································································································· 165
Configuration prerequisites ···················································································································· 166
Configuration guidelines ························································································································· 166
Configuration procedure ························································································································· 166
Displaying and maintaining IS-IS ··················································································································· 168
IS-IS configuration examples ························································································································· 169
Basic IS-IS configuration example ········································································································· 169
DIS election configuration example········································································································ 173
IS-IS route redistribution configuration example ···················································································· 177
IS-IS authentication configuration example···························································································· 181
IS-IS GR configuration example············································································································· 184
IS-IS NSR configuration example ·········································································································· 185
BFD for IS-IS configuration example ······································································································ 188
IS-IS FRR configuration example··········································································································· 191
Configuring BGP ························································································ 195
Overview ························································································································································ 195
BGP speaker and BGP peer ·················································································································· 195
BGP message types ······························································································································ 195
BGP path attributes ································································································································ 195
BGP route selection ······························································································································· 199
BGP route advertisement rules ·············································································································· 199
BGP load balancing ······························································································································· 200
Settlements for problems in large-scale BGP networks ········································································· 201
MP-BGP ················································································································································· 204
BGP multi-instance ································································································································ 205
BGP configuration views ························································································································ 205
Protocols and standards ························································································································ 207
BGP configuration task list ····························································································································· 208
Configuring basic BGP ··································································································································· 211
Enabling BGP ········································································································································· 212
Configuring a BGP peer ························································································································· 213
Configuring dynamic BGP peers ············································································································ 214
Configuring a BGP peer group ··············································································································· 217
Specifying the source address of TCP connections ··············································································· 227
Generating BGP routes ·································································································································· 228
Injecting a local network ························································································································· 228
Redistributing IGP routes ······················································································································· 230
Controlling route distribution and reception ··································································································· 232
Configuring BGP route summarization ··································································································· 232
Advertising optimal routes in the IP routing table ··················································································· 235
Advertising a default route to a peer or peer group················································································ 236
Configuring BGP to first send updates of the default route ···································································· 238
Limiting routes received from a peer or peer group ··············································································· 239
Configuring BGP route filtering policies ································································································· 241
Setting the BGP route sending rate ······································································································· 247
Configuring BGP route update delay ····································································································· 248
Configuring a startup policy for BGP route updates ··············································································· 248
Configuring BGP route dampening ········································································································ 249
Controlling BGP path selection ······················································································································ 251
Setting a preferred value for routes received ························································································· 251
Configuring preferences for BGP routes ································································································ 252
Configuring the default local preference ································································································ 254
Configuring the MED attribute ················································································································ 256
Configuring the NEXT_HOP attribute ···································································································· 260
Configuring the AS_PATH attribute ······································································································· 263
Ignoring IGP metrics during optimal route selection ·············································································· 269
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