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UTM with ESXI - Multiple NIC troubles

sculpey
Hi I have installed UTM on ESXI 5.5 in our lab with 3 NICs. All three NICs show up in the UTM and all three NICs are allocated to UTM VM in vSphere.

The problem I am running into is that I am accessing the UTM via the LAN NIC and do not have the other two NICs physically plugged with ethernet cables but according to the UTM they are up and I can access them in a browser.

Is the traffic really going across all three NICs because they are virtual? I can't figure out what is going on here, I am trying to insure that the traffic is physically separated and going through the right NICs.

Any help would be greatly appreciated.

Screen shot of ESXI NICs:
http://i57.tinypic.com/2w6ctqc.png

Screen shot of NIC Hardware in UTM:
http://i60.tinypic.com/2419iu0.png

Screen shot of interfaces in UTM:
http://i58.tinypic.com/v4v6et.png


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  • 0
    Yes actually. And it doesn't mean the vSwitch setup is broken. You have to remember that in ESXi, a physical NIC assigned to a vSwitch acts as nothing more then a port on a physical switch would. It has no IP address only speed/duplex and VLAN information if you assign that.

    So you can ping the UTM's WAN or DMZ IP no problem from behind the LAN interface because the traffic reaching those IPs never leaves the UTM itself, it's routed internally. Same with the WebAdmin interface.
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  • 0
    Yes actually. And it doesn't mean the vSwitch setup is broken. You have to remember that in ESXi, a physical NIC assigned to a vSwitch acts as nothing more then a port on a physical switch would. It has no IP address only speed/duplex and VLAN information if you assign that.

    So you can ping the UTM's WAN or DMZ IP no problem from behind the LAN interface because the traffic reaching those IPs never leaves the UTM itself, it's routed internally. Same with the WebAdmin interface.
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