AFP548

Trying to get IP Failover set up in Tiger 10.4.2

Hi- I'm following some docs that I believe are incorrect from Mac about High Availability Administration. I'm trying to set up ip failover. IT gives directions on adding variables to hostconfig file basically, but most combinations of the variables seem to fail so I'm wondering if anyone has got this to work.... Here are the details:
Primary server: main Ip Address: 10.1.1.5, firewire IP= 192.168.1.10
Failover server: main IP: 10.1.1.6 Firewire: 192.168.1.11

On primary server:
Edit hostconfig, add variables:
FAILOVER_BCAST_IPS="192.168.1.11 10.1.1.6"

On failover server:
FAILOVER_PEER_IP_PAIRS="fw0:192.168.1.10"
FAILOVER_PEER_IP="10.1.1.5"

Which combination SHOULD work. The heart beat seems to always be looking on the primary ethernet address and NOT on the fw. The heart beat is fine until I unplug the ethernet on the main machine. When all machines are plugged into ethernet, the DNS lookup works fine. The only thing that does not work is the failover. And the failover log says "Unable to send to other machine: No route to host"

Any ideas?
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