[f-nsp] sym-active VIP's & state not-healthy

[arne van theemsche]

Hi

last night we had an issue with our redundant setup of 2 serverIrons.

We have a virtual IP configured on both serverirons, with VIP health 
injection into ospf. Both serverirons are connected to the same servers. 
and the sym-active setup is working and has prooved it's use before.

For some reason (which is still unclear and irrelivant here) the server 
iron which was master for this VIP decided the VIP was unhealthy. The 
backup found the vip healthy. But due to the fact that he was the 
"non-owner" he didn't inject the VIP into OSPF

if you read the manual

"Symmetric and sym-active topologies — In both symmetric and sym-active 
topologies, only the owner of
the VIP (the VIP in the ACTIVE state) will inject the route. In this 
topology, the ServerIron will withdraw the VIP
route when a VIP transitions from Active to Standby state. Similarly, 
the ServerIron will inject the VIP route
when a VIP transitions from Standby to Active, if the VIP is healthy at 
the time of the transition."

this makes logic.

You only read such articles if you've had an issue offcoure :(

I myself find this a little disapointing. Offcourse the sym-active is 
there to allow failures of serverirons. But I was also in the assumption 
(ok ok, never assume) that if 1 serveriron sees the VIP healthy and the 
other not, the state would also change to the backup serveriron, to he 
becomes the owner.

Am I seeing thins wrong this way?

kind regards
Arne