Configuring inter-AS VPN ··········································································································································· 114
Configuring inter-AS option A ···························································································································· 114
Configuring inter-AS option B ···························································································································· 114
Configuring inter-AS option C···························································································································· 115
Configuring nested VPN ·············································································································································· 117
Configuring HoVPN ····················································································································································· 118
Configuring basic MPLS L3VPN ························································································································ 121
Configuring nested VPN ····································································································································· 157
Configuring HoVPN ············································································································································ 167
Configuring IPv6 MPLS L3VPN ······························································································································ 179
Overview ······································································································································································· 179
Configuring VPN instances ································································································································ 182
Configuring inter-AS IPv6 VPN ··································································································································· 189
Configuring IPv6 MPLS L3VPNs ························································································································· 193
Configuring MPLS L2VPN ······································································································································· 224
Hardware compatibility ··············································································································································· 224
Overview ······································································································································································· 224
Basic concepts of MPLS L2VPN ························································································································· 224
MPLS L2VPN network structure ·························································································································· 224
Ethernet over MPLS ·············································································································································· 226
PW redundancy ··················································································································································· 226
Multi-segment PW ················································································································································ 227
Enabling L2VPN ··························································································································································· 230
Configuring an AC ······················································································································································ 230
iii