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Old 2007-09-26
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Join Date: 2007-09-25
Location: Tampa, FL
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jmillercw has an average reputation (10+)
Default Standby server in ClusterXL HA config not taking over

I've got a question about ClusterXL HA & how the standby server actually takes over. Those of you who are more experienced w/ Checkpoint FW's (1st timer here) can likely push me in the right direction.

Platform: NGXR65 on SPLAT.
- Brand-new config...building from ground up.
- 2 identical hosts with 5 NICs per server, 1 on each dedicated to synchronization network via X-over between hosts.

My question/problem:

I run steady pings to the VIP of the internal interface and they respond. I then do a "stop member" on the active member via SmartView Monitor. I can no longer ping the VIP until I "start member" on what was the primary member. (SmartView Monitor & cphaprob state on secondary server both verify that the secondary is now the primary, fyi).

- Gratuitous ARP turned off on switch (Extreme Networks X450-a)
- IGMP Snooping turned off on same switch

I did a packet capture when I do the "stop member" and I see gratuitous ARP's coming from the "new" primary server for the VIP....but it never seems to actually grab the VIP address & start responding.

I'm figuring I'm just missing something obvious here, which is why I'm posting this.

Any ideas? Do I have to do anything w/ static ARP entries on the Gateways? I don't think I do (haven't found anything that says so), but I'm unsure.

I've scoured the ClusterXL Admin Guide & these very CP forums, and haven't run across anything like my particular situation.

Thanks way in advance,

Jay
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Old 2007-09-27
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Join Date: 2007-09-25
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Default Re: Standby server in ClusterXL HA config not taking over

Well, I think I figured out my own problem.

It appears to have been a flaw in my ruleset.

I was only allowing SSH & ICMP from the smartcenter server to the internal interfaces of the FW's. (these are the ones i've been testing fail over with).
I had a rule below that denying all other traffic to these interfaces.

Once I created a rule for the 2 interfaces in question to allow ANY between them, fail over now works just fine. I didn't think I had to specify that in my rules.

I'm assuming I'm going to have to do this for all the interfaces on the Clustered FW's.
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