[c-nsp] IPv6 on the 877W

[Michael K. Smith]

Hey Seth:


On 9/5/08 4:07 PM, "sethm at rollernet.us" <sethm at rollernet.us> wrote:

> I just went back and forth with TAC regarding IPv6 support on an 877W.
> Ultimately, the problem was that there isn't any support for IPv6 IRB, and
> IRB is the only way to put the wireless radio on the same segment as the
> ethernet ports. Boo. I found a bug id in the c-nsp archives (CSCej50923)
> about this from 2005, and I was told it was closed without a fix.
> 
> Also of note, I turned the 877W into a brick by doing the following (in
> order):
> 
> * Assign IPv6 address to int vlan 1
> * do "no bridge-group 1" on int vlan 1
> * IPv6 works! no IPv4, though
> * do "bridge-group 1" on int vlan 1
> * ipv6 and ipv4 work! however...
> * router locks up after a bit, then never boots again after a power cycle
> 
> Seems IPv6 is pretty buggy (and lacking) on this thing.
> 

You can run both IPv6 and IPv4, but not bridged.  So, if you assign a /64 to
your VLAN 1 interface and a /64 to the wireless interface, you get
connectivity, albeit from two different networks.

I've got a sanitized copy of a working config here:

http://www.andbobsyouruncle.net/wordpress/?p=11 running 12.3(8r)YI3

Regards,

Mike