ESX VMotion network question

I am having issues run VMotion in my ESX 5.1 environment.  Research I've been reading indicates I should have the VMotion network segregated.  I have a dedicated physical NIC for VMotion, but it keeps timing out.  I can create a new subnet and isolate it on its own switch between to the 2 hosts, but wouldn't the iSCSI SAN that hosts the VMs need access to this VMotion network as well?  I am attempting to migrate the VM from 1 host to another, as well as change it from a datastore on an older SAN to a new one.
DTUserAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It's best practice and recommended to have a seperate network, physical, or VLAN, or different IP Address range for your vMotion VMKernel Portgroups....BUT it's not an absolute necessary or it will not work....

Can you upload a screenshot of your host networking.....

and we can use the command vmkping to test your communications between vMotion Portgroups...

So you are doing Storage vMotion ?
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DTUserAuthor Commented:
I did a vmkping and it found the other host fine, but when I do a route print it only shows the iSCSI nic (not the one I currently had VMotion enabled on, which is in the same subnet)

2015-06-30-14-21-47.jpg
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
okay, so 172.16.55.81 is the vMotion Interface.

How about change it's IP completely to 192.168.1.1 and 1.2 on both servers.

then use vmkping, and use the new -i interface to send packets through vmk0

also make sure you have tag, selected these portgroups for vmotion.
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DTUserAuthor Commented:
Yes, that's what I was intending to do, I just want to make sure that the SAN doesn't have to have access to this new subnet (192.168.1.0/24 in your example)
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
any private IP Address range will do 10.x, 172.x, 192.x
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