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Multiple IP networks

Hello All,

We have a Cisco 871 Router. I fast ethernet port is plugged into the ISPs router, the other Fast Ethernet port is in access mode with VLAN 1 configured to it.

My question is this. I have to ip addresses configured on VLAN 1(**u can only have 1 VLAN configured on the 871, all other ports act as a switchport**)

192.168.1.4 255.255.255.0 10.0.254.1 255.255.255.0 secondary

I am going to have VPN traffic coming to the 10.0.254.0/24 network but it cant go to the 192.168.1.0/24 network becuase the other end has the same subnet!

I need to figure out how to create an access list that will allow the

10.0.254.0/24 network and the 192.168.1.0/24 network to talk internally to each other and have internet access, but ONLY allow the 10.0.254.0/24 network have access to the VPN.

Can anyone give me an answer or example?

Warmest Regards,

Jason

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Jason
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oh I forgot to add, the 10.0.254.0/24 network is only accessing

192.168.1.150 on the other side.
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Jason

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