Tell me more ×  Is there a way to create something similar to an
IPIP or GRE tunnel only over UDP or TCP?  I have a GRE tunnel
between two servers and I noticed that sometimes it starts to
drop packets. At the same time if I ping between servers over
the internet I have no problems.  I believe this is a traffic
shaping problem form my provider (It does not take into account
the GRE protocol. I have also tried an IPIP tunnel with the same
result.  share|improve this question Title is broken: 'UDP' – 
Duncan Smart May 13 '09 at 12:51 add comment  5 Answers  up vote
12 down vote accepted  Give openvpn a shot. You can create
tunnels over UDP or TCP.  share|improve this answer add comment
I'm not sure what's causing your particular problem, but you
should note that in general it's better for tunnels to use an
unreliable transport stream (i.e. UDP) than a reliable one.  The
reason for this is that if you do happen to get packet loss the
tunnelled TCP layer should be the one managing the
retransmission, and not the