Subject: Re: How do I activate path mtu discovery?
To: Ignatios Souvatzis <is@jocelyn.rhein.de>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-net
Date: 07/06/1998 18:38:00
On Mon, 6 Jul 1998 20:37:01 +0200 
 Ignatios Souvatzis <is@jocelyn.rhein.de> wrote:

 > Hi,
 > 
 > I assumed that if I
 > 
 > sysctl -w net.inet.ip.mtudisc = 1
 > 
 > this would get activated. However, netstat -rn shows:
 > 
 > jocelyn netinet !% netstat -rn
 > Routing tables
 > 
 > Internet:
 > Destination        Gateway            Flags     Refs     Use    Mtu  Interface
 > default            193.175.27.1       UGS         0      103      -  ppp0
 > 127.0.0.1          127.0.0.1          UH          1       64      -  lo0
 > 193.175.27.1       193.175.27.218     UH          2      357      -  ppp0
 > 193.175.27.216/29  link#1             UC          0        0      -  bah0
 > 193.175.27.217     4d                 UHLS        1       30      -  bah0
 > 
 > same as without that option enabled. What do I missing here?

Nothing... looks like you're just not encountering any situations where
you would send packets what would require fragmentation...

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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