[radvd-devel-l] making a router to autconfigure

Pekka Savola pekkas at netcore.fi
Fri Nov 11 11:55:39 EST 2005

On Fri, 11 Nov 2005, Magesh mannar wrote:
> I wish to know how to make the autoconfiguration enabled and make it 
> work properly for a router.
> Let me elobrate my scenatio.
> R1-----R2----n1
> R1 and R2 are routers. R1 is preconfigured with IPv6 address and 
> sends RADVD. Though R2 is a router, it is not preconfigured with any 
> IPv6 address but i want to it to do address autoconfiguration based 
> on the prefix received from the router R1.
> The autoconfiguration works fine as long the 
> /proc/sys/net/ipv6/conf/eth0/forwarding (in the R2) is set to 0 and 
> /proc/sys/net/ipv6/conf/eth0/autoconf is set to 1 . The moment 
> proc/sys/net/ipv6/conf/eth0/forwarding (in the R2) is set to 1 (i,e 
> it becomes a router) /proc/sys/net/ipv6/conf/eth0/autoconf is set to 
> 1.
> Does any one know how the make the autoconfiguration work for a router.

No, configure the router manually.  This is not the feature of radvd, 
but Linux kernel (and that's what the specifications say as well).

Further, if you want/need to have the same prefix on n1, you will need 
proxy ND 

Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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