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[blessani]

As far as I can tell, the DFL 800 doesn't support native Active/Slave functionality with another DFL 800 - that appears to be reserved to the 1600 and 2500 models. Correct me if I'm wrong.

However, could it be possible to achieve a Active/Slave setup with 2x DFL 800's using some clever routing between both of them and monitoring on both sides?

[danilovav]

HA means both devices looks for other networks as one. If you want to use 2 DFL-800, you will need two ISP connections (or 2 IP addresses from same ISP) and you can set L3 favorier between DFLs. But it will be two separated devices, keep it in mind. HA is not possible on DFL-210/800 by license limitations.

[blessani]

Hi,

The units will be used in a rack environment with 2 feeds from independent peers.

I understand that they would be 2 separate devices and that each router would have to be configured upon each change.

As there will be several VLANs configured behind the DFL 800 - they all rely on the DFL for gateway routing, if this goes down, I would like another to take over.

[blessani]

But if it isn't possible with the DFL800 - I think I might sell it on and get a couple of ZyWALL USG 100 as they natively support HA.

[blessani]

Yeah, this is a brilliant Firewall and I must say I love the interface - but I can't quite budget 2x 1600's just yet. Its a shame as I really like it as a product, very stable and powerful!

Nevertheless, maybe someone else can benefit from it - its now for sale on eBay

Grab a bargain! http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120580331011