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Twin WAN Gateway Xincom XC-DPG602 - 11.Nov.2004 3:48:00 AM

alanhos

Posts: 3
Joined: 29.Apr.2003
From: Everett, WA
Status: offline

We recently purchased a Xincom XC-DPG602 with the expectation that it could provide load balancing and fail-over utlizing our existing DSL connection and a new digital cable service. Since the current firewall is ISA2000, I'd like to keep it. My thought was to put the ISA firwall behind the DPG602.

Unfortunatly once I purchased all these and went to set it up, I seem to be stymied by my ignorance of Dynamic load balancing. We have a number of LAN servers that ISA redirects static IPs to individual services like Exchange & web.

This all works great now, but the Xincom service technician tells me the only way the DPG602 will work is if it is the gateway, and the NAT lan is behind it. I tried to create a DMZ behind the DPG602 using our static IPs from our DSL ISP. The DPG602 has DMZ and DNAT services.

My basic question is, why shouldn't this work: DPG602 -> ISA2000 -> Internal LAN with the DPG602 load balancing requests from ISA between the DSL and digital cable services?

Cheers,
alan@stadiumflowers.com