Configuring route related attributes for a VPN instance

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter VPN instance view or IPv4 VPN view

  • Enter VPN instance view:ip vpn-instance vpn-instance-name

  • Enter IPv4 VPN view:

    1. ip vpn-instance vpn-instance-name

    2. address-family ipv4

Configurations made in VPN instance view apply to both IPv4 VPN and IPv6 VPN.

IPv4 VPN prefers the configurations in IPv4 VPN view over the configurations in VPN instance view.

3. Configure route targets.

vpn-target vpn-target&<1-8> [ both | export-extcommunity | import-extcommunity ]

By default, no route targets are configured.

4. Set the maximum number of active routes.

routing-table limit number { warn-threshold | simply-alert }

By default, the number of active routes ain a VPN instance is not limited.

Setting the maximum number of active routes for a VPN instance can prevent the PE from learning too many routes.

5. Apply an import routing policy.

import route-policy route-policy

By default, all routes matching the import target attribute are accepted.

The specified routing policy must have been created.

For information about routing policies, see Layer 3—IP Routing Configuration Guide.

6. Apply an export routing policy.

export route-policy route-policy

By default, routes to be advertised are not filtered.

The specified routing policy must have been created.

For information about routing policies, see Layer 3—IP Routing Configuration Guide.

7. Apply a tunnel policy to the VPN instance.

tnl-policy tunnel-policy-name

By default, only one tunnel is selected (no load balancing). The LSP tunnel takes precedence over the CR-LSP tunnel.

The specified tunnel policy must have been created.

For information about tunnel policies, see "Configuring tunnel policies."