option 212 for 6RD

Mikael Abrahamsson swmike at swm.pp.se
Sun Jan 20 17:34:05 CET 2013


On Sun, 20 Jan 2013, Gert Doering wrote:

> Hi,
>
> On Tue, Jan 15, 2013 at 09:55:46AM +0100, Mikael Abrahamsson wrote:
>> 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.
>
> 7600 can do 6rd?

15.1(3)S4 for 7600 SUP720/RSP720 lists 6RD in feature navigator. I haven't 
tried it out myself yet.

Since 7600 does 6to4 at wirespeed, I guess it wasn't a huge change in code 
to make it do 6RD as well (even though my initial investigation into it 
yielded that BU said it couldn't do it).

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se


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