[nsp] Ipv6 uRPF with RBE

[Dan Armstrong]

Cisco blew it by just paying lipservice to ATM... shock surprise.




Colin Whittaker wrote:

>I tought Id through this one out to the list and see if anyone had any
>thoughts.
>
>I have a 7200 running 12.3(7)T Enterprise feature set terminating some 
>DSL circuits using ATM Route-Bridge Encapsulation (RBE).
>
>The interface config looks like:
>!
>interface ATM1/0.62 point-to-point
> description "DSL"
> ip address 193.1.196.109 255.255.255.252
> ip verify unicast source reachable-via rx allow-self-ping
> atm route-bridged ip
> atm route-bridged ipv6
> ipv6 address 2001:770:B4::1/64
> ipv6 enable
> pvc DSL 8/62
>  ubr 1000
>  oam-pvc manage
>  encapsulation aal5snap
> !
>end
>
>In this state it works fine but if i add the following line:
> ipv6 verify unicast reverse-path
>the end stations still recieve router advertisements and can ping the link 
>local address of the 7200 but can't ping  2001:770:B4::1 nor anything
>beyond the router.
>
>I tried doing "debug ipv6 packet" but the incoming packets are not
>logged.
>
>Colin
>
>  
>