> Furthermore I believe routers never should touch anything beyound the IP
> header.

Routers don't have to touch anything beyond the ethernet MAC addresses
unless they have to do fragmentation or the route is being recorded.
(for IPV4 at least)

NAT is an entire different ball game - which is not really
allowed for in the standards (particularly certain applications).

	David

-- 
David Laight: david@l8s.co.uk