cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
1093
Views
0
Helpful
2
Replies

How to explain output show route vrf XXX ipv6 unicast in Cisco CRS

wfqk
Level 5
Level 5

Hi In Cisco CRS, I got the following output. Any one can explain it(original ip and as already were changed for security)? The ipv6 route exists in the router? Thank you

#show route vrf WSN ipv6 unicast 2001:2288:0:1230:123:20:0:1

Routing entry for 2001:2288:0:1230:123:20:0:1/128
Known via "bgp 2234", distance 200, metric 0
Tag 6127, type internal
Installed Jul 19 07:37:02.034 for 11:27:38
Routing Descriptor Blocks
::ffff:62.22.224.167, from ::ffff:62.22.253.40, BGP multi path
Nexthop in Vrf: "default", Table: "default", IPv4 Unicast, Table Id: 0xe0000000
Route metric is 0
::ffff:62.22.224.168, from ::ffff:62.22.253.40, BGP multi path
Nexthop in Vrf: "default", Table: "default", IPv4 Unicast, Table Id: 0xe0000000
Route metric is 0
No advertising protos.

2 Replies 2

Vinit Jain
Cisco Employee
Cisco Employee

Are you referring to the origin IP of the prefix i.e. change of IPv4 address to IPv6 address format?

if that is the case, it is expected as this is the IPv4 mapped IPv6 address as the address from which this prefix was received was IPv4 but since the route is IPv6, it converts it into IPv4 mapped IPv6 address. this usually happens when you are running IPv6 over IPv4 transport.

Please let me know if your question was different than what i understood.

Regards

Vinit

PS: Please rate useful posts.

Thanks
--Vinit

Thanks for your reply. I do not think so. After i reviewed document again, I think all relative system are ipv6. Now my question is whether the ipv6 route exists in the router.