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RE: [FW1] Two net via one FW and two routers



Title: RE: [FW1] Two net via one FW and two routers

In short, no, but there are various options:

- You can ensure that the return packets to each network come in on the respective internet links by Hide-natting NetA behind an address on the InternetA network and doing the same for NetB and the InternetB network.

- You can merge the two networks and hide them behind a single address, then use a device like Radware's Linkproof to balance between the two internet connections.  This would not achieve the split you want, but would make best use of the aggregated bandwidth.  Running BGP would accomplish about the same thing, but you wouldn't get load balancing unless both internet links are from the same ISP.

- You can use 2 firewalls.

Hope that helps...

Dan Hitchcock
CCNA, CCSE, MCSE
Security Analyst
Breakwater Security Associates

[email protected]
http://www.breakwatersecurity.com



-----Original Message-----
From: Thomas Nilsen [mailto:[email protected]]
Sent: Wednesday, March 21, 2001 3:27 AM
To: [email protected]
Subject: [FW1] Two net via one FW and two routers



A bit of a challange this one...

Is there anyway to make the user of one FW-1 v4.1 SP3 (NT) to do the
following:

Internal Net A                Internet Link A
                 > FW-1 <
Internal Net B                Internet Link B

Basically we have to seperate companies with two seperate links to Internet,
both networks with their own FW. Is it possible to remove one of the FWs but
maintain the routing pattern of traffic from Inernal net B uses Internet
Link B and traffic from Internal Net A uses Internet link A

Any thoughts anyone?

Regards, Thomas Nilsen
Kverneland IT AS
Global Services
Tel: +44 1380 722361 Ext 201 - Mob: +44 (0)



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