IPv6 delivery model to end customers

TJ trejrco at gmail.com
Mon Feb 9 18:59:52 UTC 2009

>> So Cisco (and other vendors) needs to introduce two things for LAN
>> switching. DHCPv6 snooping, and more importantly, RA suppression (or
>> RA snooping).
>For IOS, have you tried the command:
>int gi0/1
> ipv6 nd ra suppress

That stops your router from sending any RAs.
Does nothing to prevent someone else from sending them, and becoming the
default gateway for every IPv6 capable host on that link ... 

More information about the NANOG mailing list