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Configuring inter-AS IPv6 VPN option A ································································································ 311

Configuring inter-AS IPv6 VPN option C ································································································ 312

Configuring an OSPFv3 sham link ················································································································· 313

Configuring a loopback interface ············································································································ 313

Redistributing the loopback interface address ······················································································· 313

Creating a sham link ······························································································································ 314

Configuring BGP AS number substitution and SoO attribute ········································································· 314

Enabling logging for BGP route flapping ········································································································ 315

Displaying and maintaining IPv6 MPLS L3VPN ····························································································· 315

IPv6 MPLS L3VPN configuration examples ··································································································· 316

Configuring IPv6 MPLS L3VPNs ············································································································ 316

Configuring a hub-spoke network ·········································································································· 322

Configuring IPv6 MPLS L3VPN inter-AS option A ················································································· 329

Configuring IPv6 MPLS L3VPN inter-AS option C ················································································· 334

Configuring IPv6 MPLS L3VPN carrier's carrier in the same AS ··························································· 340

Configuring an OSPFv3 sham link ········································································································· 347

Configuring BGP AS number substitution ······························································································ 352

Configuring BGP AS number substitution and SoO attribute ································································· 356

Configuring MPLS OAM ·············································································· 359

Overview ························································································································································ 359

MPLS ping ·············································································································································· 359

MPLS tracert ·········································································································································· 359

BFD for MPLS ········································································································································ 359

Periodic MPLS tracert ···························································································································· 360

Protocols and standards ································································································································ 360

Configuring MPLS OAM for LSP tunnels ······································································································· 360

Configuring MPLS ping for LSPs ··········································································································· 360

Configuring MPLS tracert for LSPs ········································································································ 360

Configuring BFD for LSPs ······················································································································ 361

Configuring periodic MPLS tracert for LSPs ·························································································· 362

Configuring MPLS OAM for MPLS TE tunnels ······························································································ 362

Configuring MPLS ping for MPLS TE tunnels ························································································ 362

Configuring MPLS tracert for MPLS TE tunnels ····················································································· 362

Configuring BFD for MPLS TE tunnels ·································································································· 363

Displaying MPLS OAM ·································································································································· 363

BFD for LSP configuration example ··············································································································· 364

Network requirements ···························································································································· 364

Configuration procedure ························································································································· 364

Verifying the configuration ······················································································································ 365

Configuring MCE ························································································· 367

MPLS L3VPN overview ·································································································································· 367

Basic MPLS L3VPN architecture ··········································································································· 367

MPLS L3VPN concepts ·························································································································· 367

MCE overview ················································································································································ 369

MCE configuration task list ···························································································································· 618H370

280HConfiguring VPN instances ···························································································································· 619H370

281HCreating a VPN instance ························································································································ 620H371

282HAssociating a VPN instance with an interface ························································································ 621H371

283HConfiguring route related attributes for a VPN instance ········································································· 622H371

284HConfiguring routing on an MCE ······················································································································ 623H372

285HConfiguring routing between an MCE and a VPN site ··········································································· 624H373

286HConfiguring routing between an MCE and a PE ···················································································· 625H377

287HDisplaying and maintaining MCE ··················································································································· 626H380

288HMCE configuration examples ························································································································· 627H380

289HConfiguring the MCE that uses OSPF to advertise VPN routes to the PE ············································· 628H380

290HConfiguring the MCE that uses EBGP to advertise VPN routes to the PE ············································ 629H385

291HConfiguring IPv6 MCE ················································································ 630H390

292HIPv6 MPLS L3VPN overview ························································································································· 631H390

293HIPv6 MCE overview ········································································································································ 632H390