Configuring MPLS L2VPN ··········································································································································· 175
Configuring Martini MPLS L2VPN ······························································································································ 176
Inspecting VCs ······························································································································································ 180
Troubleshooting MPLS L2VPN ····································································································································· 190
Configuring MPLS L3VPN ······································································································································· 191
MPLS L3VPN overview ················································································································································ 191
Introduction to MPLS L3VPN ······························································································································· 191
MPLS L3VPN concepts ········································································································································ 192
MPLS L3VPN packet forwarding ························································································································ 195
MPLS L3VPN networking schemes ····················································································································· 195
Inter-AS VPN ························································································································································ 199
Carrier's carrier ··················································································································································· 202
Nested VPN ························································································································································· 204
Multi-role host ······················································································································································· 206
HoVPN ·································································································································································· 206
OSPF VPN extension ··········································································································································· 208
Multi-VPN-instance CE ········································································································································ 212
Configuring basic MPLS L3VPN ································································································································· 213
Configuration prerequisites ································································································································ 213
Configuring VPN instances ································································································································ 214
Configuring inter-AS VPN ··········································································································································· 227
Configuration prerequisites ································································································································ 227
Configuring inter-AS option A ···························································································································· 227
Configuring inter-AS option B ···························································································································· 228
Configuring inter-AS option C···························································································································· 229
Configuring nested VPN ·············································································································································· 231
Configuration prerequisites ································································································································ 231
Configuring nested VPN ····································································································································· 231
Configuring multi-role host ·········································································································································· 232
Configuration prerequisites ································································································································ 232
Configuring a static route ··································································································································· 232
Configuring HoVPN ····················································································································································· 233
Configuration prerequisites ································································································································ 233
Configuring HoVPNs ·········································································································································· 233
Configuring an OSPF sham link ································································································································· 234
Configuration prerequisites ································································································································ 234
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