R3102-R3103-HP 6600/HSR6600 Routers MPLS Configuration Guide

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MPLS L3VPN routing information advertisement ······························································································ 251
Inter-AS VPN ························································································································································ 252
Carrier's carrier ··················································································································································· 255
Nested VPN ························································································································································· 257
Multi-role host ······················································································································································· 259
HoVPN ·································································································································································· 259
OSPF VPN extension ··········································································································································· 261
BGP AS number substitution and SoO ·············································································································· 264
Multi-VPN-instance CE ········································································································································ 265
MPLS L3VPN configuration task list ···························································································································· 266
Configuring basic MPLS L3VPN ································································································································· 266
Configuration prerequisites ································································································································ 267
Configuring VPN instances ································································································································ 267
Configuring routing between a PE and a CE ··································································································· 271
Configuring routing between PEs ······················································································································ 277
Configuring routing features for BGP VPNv4 subaddress family ·································································· 277
Configuring inter-AS VPN ··········································································································································· 280
Configuring inter-AS option A ···························································································································· 280
Configuring inter-AS option B ···························································································································· 280
Configuring inter-AS option C···························································································································· 281
Configuring nested VPN ·············································································································································· 283
Configuring multi-role host ·········································································································································· 284
Configuring and applying policy routing ········································································································· 284
Configuring a static route ··································································································································· 285
Configuring HoVPN ····················································································································································· 285
Configuring an OSPF sham link ································································································································· 286
Configuring a loopback interface ····················································································································· 286
Redistributing the loopback interface route and OSPF routes into BGP ························································ 287
Creating a sham link ··········································································································································· 287
Configuring routing on an MCE ································································································································· 288
Configuring routing between an MCE and a VPN site ··················································································· 288
Configuring routing between MCE and PE ······································································································ 293
Specifying the VPN label processing mode ·············································································································· 297
Configuring BGP AS number substitution and SoO ································································································· 297
Resetting BGP connections ·········································································································································· 298
Displaying and maintaining MPLS L3VPN ················································································································ 299
MPLS L3VPN configuration examples ························································································································ 302
Configuring MPLS L3VPNs using EBGP between a PE and a CE ·································································· 302
Configuring MPLS L3VPNs using IBGP between a PE and a CE ··································································· 309
Configuring an MPLS L3VPN that uses a GRE tunnel ······················································································ 316
Configuring a hub-spoke network ····················································································································· 321
Configuring inter-AS option A ···························································································································· 329
Configuring inter-AS option B ···························································································································· 334
Configuring inter-AS option C···························································································································· 339
Configuring carrier's carrier ······························································································································ 345
Configuring nested VPN ····································································································································· 352
Configuring multi-role host·································································································································· 362
Configuring HoVPN ············································································································································ 363
Configuring OSPF sham links ···························································································································· 370
Configuring MCE ················································································································································ 375
Configuring BGP AS number substitution ········································································································· 380
Configuring BGP AS number substitution and SoO ························································································ 383
Configuring IPv6 MPLS L3VPN ······························································································································ 387
Overview ······································································································································································· 387