NAT [7:60784]

2003-01-09 Thread Dwayne Saunders
Hi all, Was just wondering if any one could put me on to a good link in regards NAT and packet headers, simply what I am trying to find out is the packet header total rewritten or just the ip address part of the header and checksum, Or is a new header written to envelope the original header

Re: NAT [7:60784]

2003-01-09 Thread The Long and Winding Road
This link was posted the other day. Check out: http://www.cisco.com/cgi-bin/Support/browse/psp_view.pl?p=Internetworking:NA T watch the wrap this is a jump page, with links to a number of resources, including RFC 1631. The process is quite simple. For normal NAT, the NAT engine replaces the so

Re: NAT [7:60784]

2003-01-10 Thread Marc Thach Xuan Ky
Dwayne, it's most likely that any NAT implementation would overwrite the header data that it wishes to change, rather than rewrites the header in its entirety. Of course the end result would look the same when you view the packet, however you can recalculate the checksum from the old and new IP ad

Re: NAT [7:60784]

2003-01-10 Thread Francisco Sedano/Inf-Pronet
Enviado por: Asunto: Re: NAT [7:60784]

Re: NAT [7:60784]

2003-01-10 Thread The Long and Winding Road
h I can't recall ) > > Francisco Sedano > Informatica Pronet. > > > > > > "Marc Thach Xuan > Ky" > > cc: > Enviado por: Asunto: Re: NAT > [7:60784] > > [EMAIL PROTECTED] > &g