Cisco 857 and 877 - Force all traffic through VPN tunnel?

Answered Question
Oct 16th, 2008

I am evaluating the Cisco 857 & 877 routers for a small business HQ to branch office scenario. I want to setup a matched pair of these devices, each a VPN endpoint. I want to forward all traffic from the branch site back to HQ. There would be no split tunneling. Is this possible to do through the Cisco SDM?

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Correct Answer by Collin Clark about 8 years 1 month ago

Here is one of mine. Your remark will be somewhat different, but should have an explanation of VPN in some sort.

access-list 101 remark VPN Interesting Traffic Access List

access-list 101 permit ip 192.168.51.0 0.0.0.255 any

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mlichtel32 Thu, 10/16/2008 - 13:20

Thanks. What does this look like in the running config? Can it also be setup in the SDM WebGUI?

Ease of configuration is key. This is for a small business setup.

Collin Clark Thu, 10/16/2008 - 13:24

I don't use SDM, but the VPN ACL should be 0.0.0.0/0.0.0.0 If it's already configured, look for the remote subnet and change it to all zero's. The other side will have to match.

mlichtel32 Fri, 10/17/2008 - 07:41

Great, thanks! Any chance you can paste this example from a running config? I don't deal with the IOS CLI enough to understand exactly the line(s) I am looking at.

Correct Answer
Collin Clark Fri, 10/17/2008 - 07:56

Here is one of mine. Your remark will be somewhat different, but should have an explanation of VPN in some sort.

access-list 101 remark VPN Interesting Traffic Access List

access-list 101 permit ip 192.168.51.0 0.0.0.255 any

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