SW11的路由表:
[SW11]dis ip routing-table vpn-instance vpna
Route Flags: R - relay, D - download to fib
-----------------------------------------------------------------------
-------
Routing Tables: vpna
Destinations : 2 Routes : 2
Destination/Mask Proto Pre Cost Flags NextHop
Interface
172.16.3.0/24 Direct 0 0 D 172.16.3.2
Vlanif30
172.16.3.2/32 Direct 0 0 D 127.0.0.1
Vlanif30
[SW11]dis ip routing-table vpn-instance vpnb
Route Flags: R - relay, D - download to fib
-----------------------------------------------------------------------
-------
Routing Tables: vpnb
Destinations : 2 Routes : 2
Destination/Mask Proto Pre Cost Flags NextHop
Interface
172.17.4.0/24 Direct 0 0 D 172.17.4.2
Vlanif40
172.17.4.2/32 Direct 0 0 D 127.0.0.1
在MCE上:
1)Ospf 100 vpn-instance vpna
vpn-instance-capability simple
2)Ospf 100 vpn-instance vpnb
vpn-instance-capability simple
1、rip和ospf路由都正确宣告
2、vpn配置无错误
3、MCE有两个vpn实例路由,但PE只有ospf的直连路由,无两个vpn实例路由
总结:当在MCE(Multi-VPN-Instance CE)设备上支持VPN多实例时,需要取消环路检查。
此命令只在OSPF的VPN实例下才起作用。
END