[SOLVED] Network interface not responding?

dryteletubby

New Member
Oct 23, 2017
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Hi I have proxmox 5.1 running on an old dell PC. Currently it is running 1 ubuntu VM and its working fine. however when I insert a Intel dual port NIC into the PCI-e slot, I can't login or ping the proxmox server anymore ( Ethernet is still connected to the build in Ethernet port) when I remove the network card, everything works as per normal? what am I doing wrong. I want to create a PFsense VM using the Intel network card as WAN and LAN.

edit

lspci -vv | grep Ethernet

shows me 3 available network interfaces 2 intel and 1 realtek
 
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