Adding L3 to vWire PAN

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Adding L3 to vWire PAN

L3 Networker

I currently have a PAN 3220 sitting in serial behind a Cisco ASA. The PAN's doing the higher level inspection, geo, correlation warnings, content filtering. I had written earlier on the forum about wanting to implement layer 3 on new interfaces and it sounds possible. I've added interfaces inside and out and marked them as layer 3 and added them to new zones L3-OUTIDE and L3-INSIDE. I just haven't assigned them to a router nor assigned IP address. At turn up I plan to..

Create a deny any L3-OUTSIDE to any L3-INSIDE rule at the top of the rule set

(Future Allow rules will go above these)

Create a virtual router

Add IPv4 addresses to the interfaces

Assign the interfaces to the virtual router

Add some static routes initially - default external and internal (later perhaps I'll add dynamic)

Once this is in place I can put in a NAT to a test host.


Is there any step I've missed or anything that could interfere with the existing vWire layer 2 traffic flows? Since the traffic is in a different set of zones an not participating in my new virtual router I believe it should not be affected. But figured I'd check the PAN Hive Brain before plowing ahead. Thank you.

2 REPLIES 2

Cyber Elite
Cyber Elite

@palomed,

Sounds like you have all the bases covered and it won't cause any issues with your existing configuration. The firewall has built-in validation logic that really won't let you mix virtual-wire and layer3, so you really don't have to worry about breaking your existing functionality.

Cyber Elite
Cyber Elite

Hello,

Also make sure you have policies that allow the traffic.

 

Cheers!

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