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RP/0/7/CPU0:R1(config-subif)#comm

Fri Mar 30 14:12:12.700 UTC

RP/0/7/CPU0:R1(config-subif)#

RP/0/7/CPU0:R1#

Now we should try to PING over the VRF. Remember, when PINGing over a VRF you

need to specify the VRF in the PING command.

RP/0/7/CPU0:R1#ping vrf LAB 2001:1:1:21::2

Fri Mar 30 14:17:37.291 UTC

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 2001:1:1:21::2, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 3/13/49 ms

RP/0/7/CPU0:R1#ping vrf LAB 150.1.21.2

Fri Mar 30 14:17:40.858 UTC

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 150.1.21.2, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 2/3/5 ms

RP/0/7/CPU0:R1#

Full connectivity, there we go!

Ok, now we can toss a routing protocol over the link – say OSPF PID 100

First though, create a loopback we can advertise over that VRF,

RP/0/7/CPU0:R1#conf t

Fri Mar 30 14:39:31.441 UTC

RP/0/7/CPU0:R1(config)#int loop1000

RP/0/7/CPU0:R1(config-if)#ip add 111.111.111.111/32

RP/0/7/CPU0:R1(config-if)#vrf LAB

Now we can configure OSPF

First, define the process identifier, here 100

RP/0/7/CPU0:R1(config-if)#router ospf 100

Now to change context to VRF LAB

RP/0/7/CPU0:R1(config-ospf)#vrf LAB

Configure our Router-ID

RP/0/7/CPU0:R1(config-ospf-vrf)#router-id 111.111.111.111

RP/0/7/CPU0:R1(config-ospf-vrf)#area 0.0.0.0

And then assign the interfaces to the area

RP/0/7/CPU0:R1(config-ospf-vrf-ar)#int loop1000

RP/0/7/CPU0:R1(config-ospf-vrf-ar)#int g0/3/0/3.100

RP/0/7/CPU0:R1(config-ospf-vrf-ar-if)#exit

RP/0/7/CPU0:R1(config-ospf-vrf-ar)#exit

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Cisco Router IOS XR Manuale Utente Pagina 72