> Level 3. Stonebeat keep alive software with dual FireWall-1 installations
> in parallel. The Stonebeat element monitors primary FW from secondary. If
> it detects outage it renumbers ports on secondary to be same as old primary
> (IP address *and* MAC address). The advantage is that the network does not
> have to learn new routes. Convergance time we have tested to less than 5
> seconds. With FW-1 3.0 state is maintained across both firewalls. An
> authenticated session sees only a five second delay. You *do not* have to
> re-authenticate.
You also can use Qualix High Avaliability software. I have used it
before and it does a VERY nice job..
Check it out at http://www.qualix.com
Enjoy...Mike
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