Re: [RRG] Are host-stack modifications allowed or disallowed ?

["William Herrin" <bill@herrin.us>]

On Fri, Mar 7, 2008 at 7:09 AM, Bengt Ahlgren <bengta@sics.se> wrote:
> Dow Street <dow.street@linquest.com> writes:
>  > You can also avoid certain path MTU issues of tunnels, all while
>  > making the underlying intentions for the packet more visible /
>  > explicit.
>
>  Yes, but not necessarily, if a router in the middle needs to insert a
>  new source route.

Bengt,

I think he meant the MTU issue where the ITR has to process and
forward the packet too big message. If you've merely added some IP
options that the source host understands then the source can
understand the ICMP error message directly so the system doesn't have
to do anything special. There was a long set of threads about this a
few months ago.

Regards,
Bill Herrin



-- 
William D. Herrin                  herrin@dirtside.com  bill@herrin.us
3005 Crane Dr.                        Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004

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