lkml.org 
[lkml]   [2007]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: mss to pmtu clamping partially broken?

On Jun 29 2007 13:09, Andreas Steinmetz wrote:
>
>There seems to be a problem with mss to pmtu clamping for incoming syn
>packets on reply to an outgoing connection on a ppp interface. The mss
>of the outgoing syn packets is always always clamped to the pmtu, I did
>check this with a target host I do have access to. The incoming syn
>reply to such a packet, however, is mss clamped only sometimes and this
>seems to depend on the DSL line used.

Do you really need clamping? It's a hack, since TCP should do MSS negotiation
itself. (Of course it may happen that some routers are broken.) But usually not
for incoming packets.



Jan
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-30 10:37    [W:0.093 / U:5.176 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site