Configuring MCE ················································································································································ 284

Configuring BGP AS number substitution ········································································································· 290

Configuring BGP AS number substitution and SoO attribute ········································································· 293

Configuring MPLS L3VPN FRR through VPNv4 route backup for a VPNv4 route ········································ 296

Configuring MPLS L3VPN FRR through VPNv4 route backup for an IPv4 route ··········································· 298

Configuring MPLS L3VPN FRR through IPv4 route backup for a VPNv4 route ············································· 300

Configuring IPv6 MPLS L3VPN ······························································································································ 303

Overview ······································································································································································· 303

IPv6 MPLS L3VPN packet forwarding ··············································································································· 304

IPv6 MPLS L3VPN routing information advertisement ····················································································· 304

IPv6 MPLS L3VPN network schemes and functions ·························································································· 305

Protocols and standards ····································································································································· 305

IPv6 MPLS L3VPN configuration task list ··················································································································· 305

Configuring basic IPv6 MPLS L3VPN ························································································································· 305

Configuring VPN instances ································································································································ 306

Configuring routing between a PE and a CE ··································································································· 308

Configuring routing between PEs ······················································································································ 313

Configuring BGP VPNv6 route control ············································································································· 313

Configuring inter-AS IPv6 VPN ··································································································································· 314

Configuring inter-AS IPv6 VPN option A ·········································································································· 315

Configuring inter-AS IPv6 VPN option C ·········································································································· 315

Configuring routing on an MCE ································································································································· 316

Configuring routing between an MCE and a VPN site ··················································································· 316

Configuring routing between an MCE and a PE ····························································································· 321

Configuring BGP AS number substitution and SoO attribute ·················································································· 325

Displaying and maintaining IPv6 MPLS L3VPN ········································································································ 325

IPv6 MPLS L3VPN configuration examples ··············································································································· 327

Configuring IPv6 MPLS L3VPNs ························································································································· 327

Configuring an IPv6 MPLS L3VPN over a GRE tunnel ···················································································· 334

Configuring IPv6 MPLS L3VPN inter-AS option A ···························································································· 338

Configuring IPv6 MPLS L3VPN inter-AS option C ···························································································· 343

Configuring IPv6 MPLS L3VPN carrier's carrier ······························································································· 350

Configuring IPv6 MCE ········································································································································ 358

Configuring BGP AS number substitution ········································································································· 363

Configuring BGP AS number substitution and SoO attribute ········································································· 368

Configuring MPLS L2VPN ······································································································································· 371

Basic concepts of MPLS L2VPN ························································································································· 371

MPLS L2VPN network models ···························································································································· 372

Remote connection establishment ······················································································································ 373

Local connection establishment ·························································································································· 374

PW types ······························································································································································ 374

Control word ························································································································································ 376

MPLS L2VPN interworking ·································································································································· 377

PW redundancy ··················································································································································· 377

Multi-segment PW ················································································································································ 378

VCCV ···································································································································································· 380

MPLS L2VPN configuration task list ···························································································································· 380

Enabling L2VPN ··························································································································································· 381

Configuring an AC ······················································································································································ 381

Configuring the interface with Ethernet or VLAN encapsulation ···································································· 381

Configuring the interface with PPP encapsulation ··························································································· 382

Configuring the interface with HDLC encapsulation························································································ 382