Hi list,

i have the following testsetup with four firewall nodes connected to three 
networks:


                  network A
   |--------------------------------------|
      |        |     CARP     |        |
      |        |              |        |
   +--+--+  +--+--+        +--+--+  +--+--+
   | fw1 |  | fw2 |        | fw3 |  | fw4 |
   +--+--+  +--+--+        +--+--+  +--+--+
      |        |              |        |
      |  CARP  |              |  CARP  |
   |--------------|        |--------------|
       network B               network C


As you can see all four nodes are connected to network A but only fw1 and fw2
are connected to network B. On the other side only fw3 and fw4 are connected to
network C.

For network A all nodes form a CARP cluster. The order of priority for which
node is in master mode is: fw1 -> fw2 -> fw3 -> fw4.
For network B fw1 and fw2 form a CARP cluster and order of priority is fw1 ->
fw2. And last but not least for network C fw3 and fw4 form a CARP cluster and
order of priority is fw3 -> fw4. Preempting is active on all nodes.

The point which gives me a headache is that normaly fw3 is master for network C
but backup for network A. Not very suprising.
I know this is a very uncommon setup but it works for me for many days know.
A failover to node fw3 respectively fw4 on network A performs as expected.
Are there any possible site effects i have overlooked.

Many thanks in advance,

Joerg

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