option 212 for 6RD

Mikael Abrahamsson swmike at swm.pp.se
Tue Jan 15 09:55:46 CET 2013

On Tue, 15 Jan 2013, Tore Anderson wrote:

> The 6RD BR does not need to maintain state to determine whether or not a 
> packet is TCP SYN, it only has to look into the layer 4 header. And if 
> you're doing any stateless ACLs such as dropping 25/tcp or 137/tcp and 
> so on, it's doing that already anyway.

Well, Cisco 7600 is one platform I would imagine wouldn't have this 
functionality. It doesn't seem to exist on the CPU platforms like 7200 
either. At least the 7200 could easily do it if they wanted to.

Mikael Abrahamsson    email: swmike at swm.pp.se

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