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NLB not working properly

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NLB not working properly - 21.Jan.2011 1:43:55 AM   


Posts: 42
Joined: 26.Aug.2008
Status: offline

Below is the issue which we are facing currently.

We have 3 ISAServer 2006 SP1 and configured with unicast NLB.
All the ISA's are running on same hardware.

Everything is working fine properly, but we see more load on a particular
ISA all the time. Out of the 1000 request, the first ISA handles the more load(around 600 request) and the rest equally share 200 request each.

I have restarted the firewall service and rebooted all the 3 Servers. But still the one server handles large request.
Luckily everything is working fine, but I would like to understand the root cause for this issue and want to fix it.

please help.

Post #: 1
RE: NLB not working properly - 11.Aug.2011 4:41:54 AM   


Posts: 105
Joined: 5.Aug.2011
Status: offline
I know it's an old threat, but gonna reply anyway :)
What clients do connect to your NLB proxy? SecureNat and Web-Proxy are perfect candidates, the firewall client can't connect to NLB. Check your sessions and see which clients connect to your overloaded server.

When proxy clients connect using client-side CARP, the story gets even more complex..

(in reply to shufu)
Post #: 2

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