Adding 2nd NIC killed ESX Server

All,

Thank you for taking the time to read my post. Here are the environment and then my question.

3 - DELL R510 - Dual Core Quad - Intel systems

The area has "2" Integrated NIC

as well as "2" QUAD Port - PCI Intel network interface cards

NIC 0 - integrated NETWORK card is a system where installed- and it is plugged into a standard Switch CISCO GIG, the tag VLAN 108

NIC 1 - integrated is configured for iSCSI connectivity

LOCATION 0 - Port Quad PCI NIC

Port # 3 is connected to a GROUP of CIRCUITS on a CISCO SWITCH with VLAN 108, 104, 107 and 110 on it

Port # 1 is used for the 2nd iSCSI connection

LOCATION 1 - Port Quad PCI NIC

# 7 port is connected to a different GROUP of CIRCUITS on a CISCO SWITCH with VLAN 108, 104, 107 and 110 on it

All three servers are installed with ESX4 update 1

When I go into vCenter to one of the three servers and go to the primary Switch virtual networking, if I add #3 NIC or Port #7 NIC to the virtual switch (it currently integrated NIC 0 in) the system disconnects the network and to connect to vCenter losses and the entire network. If physically I reboot the ESX Server, it is NOT on the network. I have the tag VLAN in NIC0 defined 4095 to accept all the VLANS as well. (I tried with and without the tag of VLAN 4095 - same result)

Here are my questions:

1 - Why is - what happens? How it should be configured?

2. is there a way to get NIC0 to return to the network without having to re - install ESX?

I reinstalled the boxes several times now and tried many variations of combinations of nic, and they all end up with the ESX Server disconnected from the network and does not.

Really looking for some common sense here... Please and thank you.

Hmmmm, shooting a little in the dark, but I think your next 2 steps are:

(1) get the SC (vswif0) MAC and check your MAC address table switch to fly throughout of ports

(2) on the console, use esxcfg-vswitch for uplink associated with the Group of port SC the first list, and then delete the 2nd network card.  This should get your SC direct return and leave the new map available NETWORK the vswitch, simply not group ports SC.  (And you don't have to reinstall :-).)

Virtualization of happy!

JP

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