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 one workstation can't talk to hyper-v host/guests		  New Topic  Reply to Topic
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Pesos
Honorable But Hopeless Addict

USA
3506 Posts
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Posted - 05/04/2012 :  11:03:21 AM  Show Profile  Reply with Quote
Weird situation here. We have 50 brand new dell OptiPlex workstations running win7x64.

There are two Hyper-V servers onsite - server1 is running win2008r2 with Broadcom nic teaming (active/standby) and server2 is running win8 beta with built-in nic teaming (active/standby).

I have one workstation out of the 50 that all of a sudden just can't properly communicate with server1 or any of its guests - we just see massive packet loss between them. Flushing arp hasn't helped - I rebooted the entire network infrastructure the other night and that seemed to help for a bit, but now the problem has returned. I'm pretty stumped at this point.

Any ideas would be most appreciated!
-Wes

JSCLMEDAVE
Administrator

USA
6116 Posts
Status: online
Posted - 05/04/2012 :  11:06:53 AM  Show Profile  Visit JSCLMEDAVE's Homepage  Click to see JSCLMEDAVE's MSN Messenger address  Reply with Quote
NIC settings on that workstation the same? I mean Advanced Tab - Link Speed etc...
Tim-

“This too shall pass"
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Pesos
Honorable But Hopeless Addict

USA
3506 Posts
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Posted - 05/04/2012 :  11:08:48 AM  Show Profile  Reply with Quote
They are all completely identical (default windows configuration hasn't been touched, all built from the same image, configuration all done via dhcp)...
-Wes
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joe_elway
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Ireland
7397 Posts
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Posted - 05/09/2012 :  09:41:38 AM  Show Profile  Visit joe_elway's Homepage  Reply with Quote
Have you done end-end testing on the network connection, ports, etc?
Aidan Finn
MCSE, MVP (Virtual Machine)

IT Blog: http://www.aidanfinn.com
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Pesos
Honorable But Hopeless Addict

USA
3506 Posts
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Posted - 05/09/2012 :  11:19:50 AM  Show Profile  Reply with Quote
Ya. Everything works great talking to other hyperv hosts/guests and other network hosts. Everything but this one physical box
-Wes
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wobble_wobble
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Ireland
4517 Posts
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Posted - 05/09/2012 :  3:09:05 PM  Show Profile  Visit wobble_wobble's Homepage  Look at the Skype address for wobble_wobble  Reply with Quote
The 2 big monkeys could be vlan or subnetmask.

Otherwise, start with wireshark/ netmon and see where the traffic is getting to or not!
Joe

After everything that has happened during the month of Jan 07, I do believe that pigs fly backwards!

http://whatismyv6.com/
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Pesos
Honorable But Hopeless Addict

USA
3506 Posts
Status: offline
Posted - 05/09/2012 :  3:16:05 PM  Show Profile  Reply with Quote
It's heavy packet loss - so some communication gets through. In Hawaii atm so no time to wireshark it. Going to move the box to win8server soon (I suspect nic teaming might be the issue) so we'll see if the issue survives that migration...
-Wes
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