R3303-HP 6600/HSR6600 Routers MPLS Configuration Guide
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MPLS L3VPN routing information advertisement ······························································································ 255
Inter-AS VPN ························································································································································ 256
Carrier's carrier ··················································································································································· 259
Nested VPN ························································································································································· 261
Multi-role host ······················································································································································· 263
HoVPN ·································································································································································· 263
OSPF VPN extension ··········································································································································· 265
BGP AS number substitution and SoO ·············································································································· 268
MPLS L3VPN FRR ················································································································································· 269
Multi-VPN-instance CE ········································································································································ 270
MPLS L3VPN configuration task list ···························································································································· 271
Configuring basic MPLS L3VPN ································································································································· 271
Configuration prerequisites ································································································································ 272
Configuring VPN instances ································································································································ 272
Configuring routing between a PE and a CE ··································································································· 276
Configuring routing between PEs ······················································································································ 282
Configuring routing features for BGP VPNv4 subaddress family ·································································· 282
Configuring inter-AS VPN ··········································································································································· 285
Configuring inter-AS option A ···························································································································· 285
Configuring inter-AS option B ···························································································································· 285
Configuring inter-AS option C···························································································································· 286
Configuring nested VPN ·············································································································································· 288
Configuring multi-role host ·········································································································································· 289
Configuring and applying policy routing ········································································································· 289
Configuring a static route ··································································································································· 290
Configuring HoVPN ····················································································································································· 290
Configuring an OSPF sham link ································································································································· 291
Configuring a loopback interface ····················································································································· 291
Redistributing the loopback interface route and OSPF routes into BGP ························································ 292
Creating a sham link ··········································································································································· 292
Configuring routing on an MCE ································································································································· 293
Configuring routing between an MCE and a VPN site ··················································································· 293
Configuring routing between MCE and PE ······································································································ 298
Specifying the VPN label processing mode ·············································································································· 302
Configuring BGP AS number substitution and SoO ································································································· 302
Configuring MPLS L3VPN FRR ···································································································································· 303
Resetting BGP connections ·········································································································································· 304
Displaying and maintaining MPLS L3VPN ················································································································ 304
MPLS L3VPN configuration examples ························································································································ 307
Configuring MPLS L3VPNs using EBGP between a PE and a CE ·································································· 307
Configuring MPLS L3VPNs using IBGP between a PE and a CE ··································································· 314
Configuring an MPLS L3VPN that uses a GRE tunnel ······················································································ 322
Configuring a hub-spoke network ····················································································································· 326
Configuring inter-AS option A ···························································································································· 334
Configuring inter-AS option B ···························································································································· 339
Configuring inter-AS option C···························································································································· 344
Configuring carrier's carrier ······························································································································ 350
Configuring nested VPN ····································································································································· 357
Configuring multi-role host·································································································································· 367
Configuring HoVPN ············································································································································ 368
Configuring OSPF sham links ···························································································································· 375
Configuring MCE ················································································································································ 380
Configuring BGP AS number substitution ········································································································· 385
Configuring BGP AS number substitution and SoO ························································································ 388