Disabling IPv6 on *one* network interface in Debian

[Martin Millnert]

Hi Frank,

On Thu, 2011-02-03 at 20:41 -0600, Frank Bulk wrote:
> Due to our network setup I have asymmetric traffic occurring (post-IPv4 NAT
> result) that can be resolved by disabling IPv6 on one of the server's VLANs.
> I removed the IPv6 addresses manually using "ip -6 addr del <IPv address>
> dev eth0.<VLAN number>" but that will only last until the next reboot.
> 
> Any ideas on how to disable IPv6 on *one* network interface in Debian?  My
> google fu has failed me.
> 
> Frank

http://blog.easter-eggs.org/index.php/post/2010/08/23/Disable-IPv6-autoconfiguration

1. Explicitly load IPv6 module
2. Disable autoconf/accept_ra on the interface you want

HTH,
Martin