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winpcap and ESX Vmware issues

Posted on 2014-02-05
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Last Modified: 2014-03-10
Hi,

We are experiencing an issue that when we use an application running winpcap the network card loses connection. As soon as we stop the application the network returns on a
ESX host with VMware. (windows server 2008)


Anyone experience this?
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Question by:neoptoent
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by:Andrew Hancock (VMware vExpert / EE MVE)
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Are you using the VMXNET3 network interface, if not try replacing with the VMXNET3 interface card. (make sure you have VMware Tools installed to supported this network interface).

Have you also enabled the vSwitch for Promiscuous  Mode?
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by:neoptoent
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We are using VMXnet3 interface.
vswitch? is that for a particular host? how do you do that?
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
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see how to configure a vSwitch here at VMware Knowledge Base 1004099

Configuring promiscuous mode on a virtual switch or portgroup
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by:neoptoent
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I have another host on the same cluster that works though
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LVL 117

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by:Andrew Hancock (VMware vExpert / EE MVE)
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That's makes it different then.

Same Make and Model of Host?

Same Build of ESXi server?
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by:neoptoent
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yes
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by:Andrew Hancock (VMware vExpert / EE MVE)
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What physical switch configuration are you using?

can you upload screenshots of your networking?

does it only happen in this VM?
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by:neoptoent
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realized the switch was preventing promiscuous mode
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