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RJ Gray
Occasional Contributor

‎09-09-2011 03:36 AM

‎09-09-2011 03:36 AM

Microsoft NLB on HP switches

I have a problem with the Microsoft Network Load Balancing (Multicast)  on windows server 2008. We are using the load balancing for our Exchange SMTP, and we keep getting disconnects and time outs. I have been told that this is due to the switch not retaining the MAC address for the NLB IP address, requiring it to be a static ARP. I have had a look about and can not find any way of adding the static ARP to our core routing switch (5308xl) or any other switch that we currently operate (our newest would be a 2810).

 

The one exchange server was configured with Multicast NLB on a network card with the network address 10.50.20.34/16 and 10.50.25.2/16 , while the other has the network address 10.50.20.35/16 and 10.50.25.2/16

All other network cards within the servers are disabled.

 

Is there any way to configure static MAC address entries into the 5308? or if anyone has any other suggestions this would be greatly appreciated.

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