Configuring HoVPN
In a HoVPN networking scenario, perform basic MPLS L3VPN settings on UPE and SPE. In addition, configure the following settings on the SPE:
Specify the BGP peer or peer group as a UPE.
Advertise the default route of the specified VPN instance or routes matching a routing policy to the UPE.
Create a BGP-VPN instance so the learned VPNv4 routes can be added into the BGP routing table of the corresponding VPN instance by comparing RTs.
Associating an interface with a VPN instance is not required on the SPE because no interface on the SPE is directly connected to the customer network.
As a best practice, do not configure the peer default-route-advertise vpn-instance and peer upe route-policy commands at the same time.
To configure SPE for HoVPN:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter BGP instance view. | bgp as-number [ instance instance-name ] | N/A |
3. Specify a BGP peer or peer group. | peer { group-name | ipv4-address [ mask-length ] } as-number as-number | By default, no BGP peers exist. |
4. Enter BGP-VPN VPNv4 address family view. | address-family vpnv4 | N/A |
5. Enable BGP VPNv4 route exchange with the peer or peer group. | peer { group-name | ipv4-address [ mask-length ] } enable | By default, BGP does not exchange VPNv4 routes with any peer. |
6. Specify the BGP peer or peer group as a UPE. | peer { group-name | ipv4-address [ mask-length ] } upe | By default, no peer is a UPE. |
7. Advertise routes to the UPE. |
| By default, no route is advertised to the UPE. Do not configure both commands. The peer default-route-advertise vpn-instance command advertises a default route using the local address as the next hop to the UPE, regardless of whether the default route exists in the local routing table. However, if the specified peer is not a UPE, the command does not advertise a default route. |
8. Return to BGP instance view. | quit | N/A |
9. Create a BGP-VPN instance, and enter BGP-VPN instance view. | ip vpn-instance vpn-instance-name | By default, no BGP-VPN instances exist. |