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Old 01-05-2010, 06:14 AM
Chris Chris is offline
 
Join Date: Jun 2009
Posts: 74
Default Cisco Pix Static Routes And Internet Filtering Box

I am in the process of setting up a Iprism Web Filtering box. This box sits between our 7204 router and OLD pix classic. Here's the issue. I set up the filter box with an address in the network between the router and pix. I can ping all interfaces within that network. I cannot ping outside the network. I have changed the default gateway and static route of the router to point to the internal port on the filter box.

Something like this.

ip route 0.0.0.0 0.0.0.0 172.20.21.4 (all traffic unknown sent to filtering box)
ip route 172.20.21.4 255.255.255.255 FastEthernet0/0 (sets route from outside router int direct to the internal filterbox.

This is the current setup before installing the filter box.

ip route 0.0.0.0 0.0.0.0 172.20.21.2
ip route 172.20.21.2 255.255.255.255 FastEthernet0/0

That should enable me to ping the 21.4 interface? Doesn't work. I have not written it to memory and reset the box. This is in production and I have to work around everyone.

Going to try the filter box again and try a different setup.

Now on to the pix.

One inside route to the external port on the router.

ip route 0.0.0.0 0.0.0.0 172.20.21.1 1 (that takes all traffic from outside to inside network. I just changed this line to
ip route 0.0.0.0 0.0.0.0 172.20.21.4 1 (takes all traffic from outside to external address of the filter box.

The filter box uses 1 ip address for both internal and external. That is why I will go over the setup again. Also this box has ping utilities built in and I cannot ping any internal or external addresses.

Thanks for your time reading this long post.
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