[Openswan Users] ipsec/l2tp with nat traversal

Trevor Benson tbenson at a-1networks.com
Wed Apr 26 12:16:21 CEST 2006

On Wednesday, April 26, 2006 Paul wrote:
> The two networks are different right? The old connection might not
> the same mtu resitrctions as the new client you're adding. MTU issues
> depend on each hop travelled, and can change pretty suddenly.

[Trevor Benson:] 
Yeah its from (l2tp client) and (the site to
site) and the gateway I am connecting to is  The route is
short and sweet, and I average about 15-18ms to the gateway from the DSL
(the DSL is provided by the same ISP the datacenter is at, and has a
very clean network).  Here is a traceroute from the l2tp client side to
the gateway.

traceroute to (, 30 hops max, 38 byte
 1  18.566 ms  9.913 ms  16.435 ms
 2  16.338 ms  16.188 ms  16.443 ms
 3  20.621 ms  18.441 ms  16.193 ms
 4  24.555 ms  20.667 ms  20.613 ms
 5  20.892 ms  18.445 ms  16.432 ms
> Paul
> --
> Building and integrating Virtual Private Networks with Openswan:

More information about the Users mailing list