HoVPN ·································································································································································· 243
OSPF VPN extension ··········································································································································· 245
Configuring basic MPLS L3VPN ································································································································· 248
Configuring VPN instances ································································································································ 249
Configuring inter-AS VPN ··········································································································································· 262
Configuring inter-AS option A ···························································································································· 262
Configuring inter-AS option B ···························································································································· 263
Configuring inter-AS option C···························································································································· 264
Configuring nested VPN ·············································································································································· 265
Configuration procedure ···································································································································· 266
Configuring HoVPN ····················································································································································· 267
Configuring an OSPF sham link ································································································································· 267
Creating a sham link ··········································································································································· 268
Resetting BGP connections ·········································································································································· 270
Configuring inter-AS option A ···························································································································· 295
Configuring inter-AS option B ···························································································································· 300
Configuring inter-AS option C···························································································································· 305
Configuring carrier's carrier ······························································································································ 311
Configuring nested VPN ····································································································································· 318
Configuring HoVPN ············································································································································ 328
Configuring OSPF sham links ···························································································································· 334
Configuring IPv6 MPLS L3VPN ······························································································································ 346
Overview ······································································································································································· 346
Configuring VPN instances ································································································································ 349
Configuring inter-AS IPv6 VPN ··································································································································· 357
Resetting IPv6 BGP connections·································································································································· 359
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