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VMWare vSphere 4, Port group created but can't ping anything

Posted on 2012-04-03
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Last Modified: 2012-04-08
Hi guys,

Bit of a strange problem setting up a port group on our vSphere environment.  I have createdt he port group as normal, assigned a VLAN number and added in the server in question but the server cannot even ping the default gateway of the port group.

I know I have seen this before but for the life of me can't remember what it was.  Has anybody else seen this?

All our other port groups are setup and working, we trunk from our vSphere machines to a Cisco core switch which has the correct vlan(s) setup.  This problem appears to be a vSphere 'thing'

Cheers,
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Question by:Jase_x
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by:Andrew Hancock (VMware vExpert / EE MVE)
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when you say default gateway of the port group, do you mean the default gateway on your network?

what VLAN tag number have you created?

can you upload a screenshot of your networking?

can you ping any other devices on this VLAN?
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by:Jase_x
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Yes sorry I meant switch SVI (My effective default gateway).  Basically I have a vlan of 300 with an IP of 10.0.0.1 255.255.255.0

Configuration is pretty basic, I've given the VLAN an IP address (As it is directly connected it automatically finds the connected network) and I can see a route to this in my routing table.

My machine is setup to use port group "TS-NLB" with a vlan of 300, IP of 10.0.0.2

I can ping 10.0.0.1 from another remote network and another physical PC plugged into that subnet works fine (I can get to the internet, people can get to it)

I can ping the loopback on the server etc but can't even ping the SVI for which I should be in the same broadcast domain.  That is the bit that confuses me.

Cheers.
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by:Andrew Hancock (VMware vExpert / EE MVE)
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so what's the default gateway IP address?

what's the VM IP address?
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by:Andrew Hancock (VMware vExpert / EE MVE)
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VM is 10.0.0.2 ?

can this VM ping 10.0.0.1 ?
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Jase_x earned 0 total points
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Not to panic I've fixed the issue. We had a secondary switch which I was not aware of which did not have the correct VLAN setup.

Thanks all for the help.
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by:Jase_x
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Identified problem myself.
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