Interruption of the connection to the host ESXi 5.1

I did some tests on one of our hosts in preparation for the essential moving to Essentials more when I noticed that most of the vmnic reported only 100 MB Full Duplex connection speeds.  We have a Dell R515 with 2 cards Broadcom NetXtreme II BCM 5709, all set to auto negotiate, so I thought I'd try and force one vmnic to communicate to 1000Mb Full Duplex.  This had quite disastrous consequences resulting in a lack of connectivity to the host.  VCentre host is reported as Disconncted and if I try to connect directly to the host I get a type error "unable to connect".

Fortunately the virtual machine is still ongoing so I just need to get that host online.  SSH is turned off so I can't chew on the host, if I don't have physical access to it if necessary.

The management network is running on vmnic8, which is embedded Broadcom BCM5716, while I just changed vmnic6 on one of the Broadcom BCM5709 map, then why I lose o management network connection, I'm a little confused, any help appreciated.

See you soon

Dean

Just follow the steps described in the section "setting the speed and duplex of the NIC in ESX/ESXi host at the service console. In step 1, you will find links to find out how to enable Shell access. Basically you log in to the DCUI to allow Shell access in the "Troubleshooting Options" menu and press ALT - F1 to switch to the console. After the connection, use esxcli nic network list for an overview of installed vmnic network nic esxcli get vmnic8-n to display the settings vmnic8 and esxcli network nic address-n vmnic8-a to set the speed and duplex automatic. For more information about the command, see http://pubs.vmware.com/vsphere-50/index.jsp#com.vmware.vcli.ref.doc_50/esxcli_network.html

André

Tags: VMware

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