[c-nsp] Strange 6509 ipv6 static routing behavior

David Rothera david.rothera at gmail.com
Mon Nov 8 18:03:23 EST 2010


Do you have IPv6 CEF enabled, and if so does it show under 'sh ipv6 cef' ?

Router#sh ipv6 cef 
2620:100:5007::/48
     attached to Null0 

On 8 Nov 2010, at 21:45, Randy McAnally wrote:

> *C3750:
> 
> c3750#sh run | i ipv6 route
> ipv6 route 2620:100:5007::/48 Null0
> 
> c3750#sh ipv6 route 2620:100:5007::1
> IPv6 Routing Table - 1 entries
> Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
>       R - RIP
>       O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
>       ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
> S   2620:100:5007::/48 [1/0]
>     via ::, Null0
> 
> Now on the 6509 w/3bxl
> 
> c6509#sh run | i ipv6 route
> ipv6 route 2620:100:5007::/48 Null0
> 
> c6509#sh ipv6 route 2620:100:5007::1
> % Route not found
> 
> 6509#sh ipv6 route static
> IPv6 Routing Table - 6 entries
> Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
>       U - Per-user Static route
>       I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
>       O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
>       ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
> 
> So where is it?
> 
> --
> Randy
> 
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