[afnog] VPN Problem

[Emmanuel Antwi Kwarteng]

Hi all,

 

I have a customer connected through an ATM network behind an access router
which connects to my gateway router to the internet.

I have a PIX firewall connected behind the access router too protecting my
DNS, mail servers and others.

 

Now the customer is trying to use a VPN client to reach a VPN server
somewhere on the internet using IPsec and it's not working.

When I try to connect to the VPN this is what I get:

 

----------

Connecting to: 
aaa.bbb.com 
  
Getting configuration from: 
aaa.bbb.com 
  
Checking for banner text from: 
aaa.bbb.com 
  
The secure contivity VPN connection has been lost. 
Click Connect to re-establish the connection

 

 

 

I have allowed UDP port 500, ESP protocol and port 10001 all to pass through
the PIX firewall and on the access server and gateway router.

 

I have another network connected behind the same access server on a
fastethernet interface and I have no problem connecting to the VPN from
there.

 

The fastethernet interfaces have an MTU of 1522 and that of the ATM
subinterfaces is 9180.

 

Is there anything I am missing?  

Why is the network behind the atm interface is doesn't work?

 

 

Regards,

 

Kwarteng

 

 

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