[Openswan Users] 2.4.5 klips mtu issue

Paul Wouters paul at xelerance.com
Mon Apr 10 17:44:58 CEST 2006

On Mon, 10 Apr 2006, Brian Candler wrote:

> On Mon, Apr 10, 2006 at 03:01:21PM +0100, Brian Candler wrote:
> > If I can modify l2tpd so that it doesn't set DF, then maybe the problem with
> > running it through Openswan for transport mode IPSEC will vanish.
> OK, I can do
> # echo "1" > /proc/sys/net/ipv4/ip_no_pmtu_disc
> and the problem goes away; l2tpd+Openswan 2.4.5 can happily talk to Cisco
> IOS.

Does it still set the DF bit? That is what we believed happened in our
tests. Perhaps we need to redo our tests.....


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