I am trying to setup HA between two identical UTM220's.
I have the basics down on the steps to turn on HA in an Active / Passive configuration.
Need to use a Cross-over cable between eth3 interfaces.
If I am most concerned with one of the UTM220's failing and not a backup ISP, do I use a switch to connect both Eth0 ports together ? (and Eth1's ).
My simple question is 1. "Where do the cables get plugged into" ?
MAster has eth0 to the LAN Network and eth1 to the WAN outside IP.
Master eth3 and Slave eth3 are connected together via a cross-over cable.
Slave eth0 goes to ______? Slave eth1 goes to ______ ?
Question 2. "Can I use uptodate to upgrade the slave and roll to master" ?
Question 3. "how can I move the workload off of Master to upgrade firmware?' ( need to be up 24/7 ).
My concern is with my many VPN S2S Tunnels. They will break if my Outside IP changes unless somehow the slave when it becomes active can use the same WAN outside IP.
Thanks!
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