H3C Technologies H3C S7500E Series Switches - Manual (Page 11)

v
Example for Configuring MPLS L2VPN Connection for a Service Instance·······························5-30
Troubleshooting MPLS L2VPN ··········································································································5-33
6 MPLS L3VPN Configuration ··················································································································6-1
MPLS L3VPN Overview·······················································································································6-1
Introduction to MPLS L3VPN ·······································································································6-1
MPLS L3VPN Concepts ···············································································································6-2
MPLS L3VPN Packet Forwarding ································································································6-5
MPLS L3VPN Networking Schemes ····························································································6-6
MPLS L3VPN Routing Information Advertisement·······································································6-8
Multi-AS VPN ·······························································································································6-9
Carrier’s Carrier··························································································································6-12
Nested VPN································································································································6-14
HoVPN ·······································································································································6-16
OSPF VPN Extension ················································································································6-19
BGP AS Number Substitution ····································································································6-21
MPLS L3VPN Configuration Task List·······························································································6-22
Configuring VPN Instances················································································································6-23
Creating a VPN Instance············································································································6-23
Associating a VPN Instance with an Interface············································································6-24
Configuring Route Related Attributes of a VPN Instance···························································6-24
Configuring a Tunneling Policy of a VPN Instance·····································································6-25
Configuring an LDP Instance ·····································································································6-26
Configuring Basic MPLS L3VPN ·······································································································6-27
Configuration Prerequisites ········································································································6-28
Configuring a VPN Instance ·······································································································6-28
Configuring Route Advertisement between PE and CE ·····························································6-28
Configuring Route Advertisement Between PEs········································································6-33
Configuring Routing Features for BGP VPNv4 Subaddress Family···········································6-34
Configuring Inter-Provider VPN ·········································································································6-37
Configuration Prerequisites ········································································································6-37
Configuring Inter-Provider VPN Option A···················································································6-38
Configuring Inter-Provider VPN Option B···················································································6-38
Configuring Inter-Provider VPN Option C···················································································6-39
Configuring Nested VPN····················································································································6-42
Configuration Prerequisites ········································································································6-42
Configuring Nested VPN ············································································································6-42
Configuring HoVPN ···························································································································6-43
Configuration Prerequisites ········································································································6-43
Configuring HoVPNs ··················································································································6-43
Configuring OSPF Sham Link············································································································6-44
Configuration Prerequisites ········································································································6-45
Configuring a Loopback Interface ······························································································6-45
Redistributing OSPF Routes and Routes of a Loopback Interface Into BGP·····························6-45
Creating a Sham Link·················································································································6-45
Configuring BGP AS Number Substitution ························································································6-46