[Openswan Users] file transfer problem but a ping is ok

[Oleksandr Darchuk]

Graham Bayley wrote:
> Problem: tunnel comes up correctly, no real errors seen in /var/log/secure
> or messages and can ping any machine on the other side.  As soon as I try to
> transfer a file or even 'cat' a file the ssh tunnel seems to collapse.  The
> same is true if I try and transfer a file using ftp or windows explorer.
> However during the problems I can still ping !!!

I have the same problem with l2tpd roadwarrior. Possibe it's MTU
problem? IMHO check icmp allowing in firewalls (to allow  defrag), read
and play with path MTU (start from here e.g.
http://www.freeswan.org/freeswan_trees/freeswan-2.05/doc/trouble.html#bigpacket)

Regards.