Newbie question on IBM 00E0838 Intel PRO/1000 VT Quad Port Gigabit Ethernet Network Adapter not working.

U

UpAndRun

New Member
Jan 9, 2025
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I have good Linux background, just new to Proxmomx.

I installed a NIC 4ports card, everything look fine, but they are not working when I plug in the cable. Please help me.

They just showed as down when I run "ip -br -c link show":

lo UNKNOWN 00:00:00:00:00:00 <LOOPBACK,UP,LOWER_UP>
enp0s31f6 UP 4c:cc:6a:f6:ab:43 <BROADCAST,MULTICAST,UP,LOWER_UP>
enp5s0f0 DOWN 34:40:b5:f3:56:45 <NO-CARRIER,BROADCAST,MULTICAST,UP>
enp5s0f1 DOWN 34:40:b5:f3:56:44 <BROADCAST,MULTICAST>
enp6s0f0 DOWN 34:40:b5:f3:56:47 <BROADCAST,MULTICAST>
enp6s0f1 DOWN 34:40:b5:f3:56:46 <BROADCAST,MULTICAST>
vmbr0 UP 4c:cc:6a:f6:ab:43 <BROADCAST,MULTICAST,UP,LOWER_UP>

cat /etc/network/interfaces shows:

auto enp5s0f0
iface enp5s0f0 inet manual

iface enp5s0f1 inet manual

iface enp6s0f0 inet manual

iface enp6s0f1 inet manual
 
lspci shows:

05:00.0 Ethernet controller: Intel Corporation 82571EB/82571GB Gigabit Ethernet Controller (Copper) (rev 06)
05:00.1 Ethernet controller: Intel Corporation 82571EB/82571GB Gigabit Ethernet Controller (Copper) (rev 06)
06:00.0 Ethernet controller: Intel Corporation 82571EB/82571GB Gigabit Ethernet Controller (Copper) (rev 06)
06:00.1 Ethernet controller: Intel Corporation 82571EB/82571GB Gigabit Ethernet Controller (Copper) (rev 06)
 
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