RE: [fw-wiz] Multiple world connections into PIX

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To: <firewall-wizards@honor.icsalabs.com>
Date: Fri, 6 Feb 2004 11:31:49 -0600

And therein lies the problem: routes are global.
The capability for multiple routes is there for redundancy only, it seems.
I was thinking that once the session is built the PIX would be smart enough
to use the same interface for return traffic. So far I've been
dissapointed.

I guess IOS firewall would be a better choice for this situation, but the
investment has already been made.

- Lee

-----Original Message-----
From: Strydom, Willie [mailto:WStrydom@fnb.co.za]
Sent: Monday, February 02, 2004 00:12
To: 'DCSIM Subscriptions (IA)'; firewall-wizards@honor.icsalabs.com
Subject: RE: [fw-wiz] Multiple world connections into PIX

you'll have top play with routing. I have seen a similar setup before, add
routes to outside_1 and outside_2 for the hosts that you wanna send there.

-----Original Message-----
From: DCSIM Subscriptions (IA) [mailto:DCSIMSUBS@ia.ngb.army.mil]
Sent: 28 January 2004 12:51
To: firewall-wizards@honor.icsalabs.com
Subject: [fw-wiz] Multiple world connections into PIX

Greetings.

I've run into an interesting problem on a PIX 515. Here's a makeshift
diagram:

Warning! ASCII art!

outside_1
--------------|-----| inside_1
              | |-------
outside_2 | PIX |
--------------| |-------
(Def. GW) |-----| inside_2

LAN networks are NAT'd 10.x.
"World" networks are real addresses.

Effectively what I'm trying to do is make hosts on inside_1 use the
outside_1 network and inside_2 hosts use outside_2. This would be
considered policy routing on a Cisco router.

So, when a connection is initiated from outside_1 to inside_1, it is built
correctly, according to the log. However, when the return traffic is sent
back through the PIX, it tries to go out the default gateway, which is
outside_2, which does not have that connection established.

I believe I have all the NAT rules and access lists correct, but the PIX
keeps trying to use the same interface for outbound traffic.

So far I have only tried to solve this in the PDM. I am hoping that there
are some commands in the CLI that will solve my problem.

Any ideas?

- Lee
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