force all internet traffice to go through the ASA VPN tunnel

Posted on 2009-02-17
Medium Priority
Last Modified: 2012-05-06
I have configured 2 cisco asa 5505 and they are connecting network 1 and network 2  to each other via a VPN tunnel.

Network 1 has limited internet access via its gateway and I would like to find a way to redirect all the internet traffic on network1 to use the vpn tunnel as the main gateway and not the asa1 gateway.

is that feasible?


Question by:odewulf
  • 2
LVL 43

Expert Comment

ID: 23673093
So, essentially, you want to tunnel all traffic to network2?  If so, change your crypto access-lists to the following:


access-list crypto extended permit ip any  <-- is network1


access-list crypto extended permit ip any

Make sure the NAT on ASA1 encompasses network1 ( in this example).
LVL 43

Accepted Solution

JFrederick29 earned 2000 total points
ID: 23673179
You will also need to disable NAT for network1 on ASA1 so it isn't NAT'ed prior to being sent over the tunnel.  You can remove the global and nat commands on ASA1.

By the way, you will use the same amount of bandwidth on your Internet circuit at network1.  The traffic will be IPSEC versus HTTP, FTP, etc but the bandwidth used will be the same.

Author Comment

ID: 23678733
thanks I am going to try that. I have some issues to resolve first with the port forwarding and then I will give it a try

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