VPN consentrator connection over TCP port 10000

How would I setup VPN consentrator to suppot Cisco VPN client
connection over TCP port 10000? All I would like to prove a concept. If
anyone would be nice to list the commands it would be really
apprecated.
Thank you
Al

 

:How would I setup VPN consentrator to suppot Cisco VPN client
:connection over TCP port 10000? All I would like to prove a concept. If
:anyone would be nice to list the commands it would be really
:apprecated.

I doubt you can do that at all. For backwards compatability,
the client can talk on *UDP* 10000.

http://www.cisco.com/warp/public/471/nat_trans.html


These days, though, why not just use standard NAT-T on UDP 4500 ?

 

I have a problem with connecting multiple Cisco VPN clients that are
behind a firewall to a VPn concentrator. At the moment only 1 person
can connect.
Thank You

 

:I have a problem with connecting multiple Cisco VPN clients that are
:behind a firewall to a VPn concentrator. At the moment only 1 person
:can connect.

That's a standard problem. Turn on NAT Traversal (the link
shows how), and make sure that UDP 500 and UDP 4500 are open.

Without NAT-Traversal being on, ESP (IP Protocol 50) is used,
and since ESP has no 'port', very few firewalls are able to
NAT more than one internal ESP source to a shared IP address.
NAT-T encapsulates ESP within UDP and so works fine with PAT
(Port Address Translation.)

 

Thank You