North American Network Operators Group

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Re: Deploying 6to4 outbound routes at the border

  • From: Simon Leinen
  • Date: Sun Oct 16 10:49:40 2005

Daniel Roesen writes:
> On Fri, Oct 14, 2005 at 10:45:33PM -0400, Todd Vierling wrote:
>> Maybe to start -- but again, what kind of 6to4 traffic level are we
>> expecting yet?

> Peak or average? Think twice before answering. :-)

> I'm told there are 6to4 relays seeing in excess of 100mbps. Not
> bursts.  Can you imagine trying to handle 100mbps "internet mix"
> traffic process switched? :-Z Not even talking about the peaks.

Note that not all Cisco routers use process switching for 6to4 tunnel
encap/decap (which is really just IPv6-in-IPv4).  Catalyst 6500/7600
OSR with PFC-3 (Sup32/Sup720) do this "in hardware".