Why vMotion will not work with an IP from DHCP, but not a static IP address?

I have a bit of a puzzle game. I'm trying to implement vMotion on our new leaves. They run VMWare ESX 4.0.0 208167. I've implemented the VMkernel on a separate vSwitch. When I try to use a static IP address, I get various errors about the connection being reset by the peer or that he was unable to send a copy before starting the message to the remote host, or that he was unable to receive bytes from the remote host.

However, if all I do is go to the VMkernel and switch to a static IP address to DHCP on the IP settings tab, it rolls. And, as far as I can tell, everything is exactly the same except for the last digits of the IP number (static IP is 10.11.129.148, DHCP is 10.11.129.64). The subnet mask looks the same, and the default gateway is the same. Only these latest figures do not.

DHCP always appears to pick up the same IPs for the blades, so I'm just a bit puzzled as to why the last digit would make a difference, if there is no other device on the network with this IP address.

Thank you!

Keith

It is absolutely not a DHCP or static IP address. If static IP adrresses don't wor the you must check all your settings and check for IPs in doubles.

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MCSA, MCTS, VCP, VMware vExpert 2009

http://blog.vadmin.ru

Tags: VMware

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