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ESX 5: New build NIC speed 100 Full, instead of 1000 Full

Hi All,

I recently setup a new ESX 5 server (first one), everything going going ok, however I noticed the actual speed, duplex is showing as 100Mb, Full Duplex.  But the NIC on the server is Gb and the switch is also Gb.

Any idea why it's not showing as Gb?
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detox1978
Asked:
detox1978
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1 Solution
 
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Check

1. physical switch is set to Autonegotiate at 1Gb
2. check network cable
3. You can also try and force 1Gb from vSphere Client.

But I would check cable and physical switch support 1Gb first.
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detox1978Author Commented:
We do have another ESX 4 server, that is forced to 1Gb. so I will try using the same switch and forcing it (if needed).

I did try to forcing it to 1Gb but it just took the NIC offline.
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detox1978Author Commented:
What should I check on the NIC cable?
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detox1978Author Commented:
Switch was set to 100Mb
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detox1978Author Commented:
I've plugged the two NIC into two 1Gb switches so they now negotiate 1Gb, but they say standby next to them.

Any ideas?
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