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ESXi 5, Link Bundling, VLANs, and Management Interface

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Greetings -

 

I suspect that the answer to my query is: "Buy another Intel NIC" but here goes:

 

I have an ESXi server here with 2 Intel GigE NICs, connected to the same upstream Cisco managed switch.  One NIC (vmnic0) is connected to VLAN 200 while the second (vmnic1) is connected to VLAN 300.  Ports on the Cisco are set to access mode.

 

Internally on the ESXi server, vmnic0 is connected to the "public" vSwitch, while vmnic1 is connected to the "private" vSwitch.

 

I also set the ESXi management IP to the same /24 that the private vSwitch.  This is key, I suspect.

 

I wanted to try and bundle the two GigE interfaces into a single 2xGigE connection, and trunk both VLANs 200 and 300 across it.  After struggling through the menu-driven UI on the ESXi console, I managed to get the management IP back up and pingable, and was able to connect to the server with the vSphere client.  I did this by X'ing both vmnic0 and vmnic1 in the interface config, then setting VLAN 300 in the VLAN configuration.  But, I wasn't able to properly team/bundle the vmnic interfaces into both vSwitches.  I could only ever attach one vmnic to one of the switches.

 

Can I do all of this with only 2 GigE interfaces and retain access to the management IP?

 

CISCO SWITCH <== 2xGigE w/VLAN 200,300 trunk ==> ESXI SERVER

 

VLAN 200 is a public /28

VLAN 300 is a private /24 (eg: 192.168.100.0/24)

Management IP is 192.168.100.2

 

Do I need to create a third VLAN for the management IP and move it?  If I trunk, say, VLAN 400 down to the ESXi server, use another 192.168 block for its IP, will I be able to then take vmnic0 and vmnic1 and team them on BOTH vSwitches?

 

Still following me? ... :-)  If I can clarify any of this, by all means ask.  I apologize for the sort-of random babbling here.  Thanks!

 

jas


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