[SOLVED] Turning off ethernet port when booting

helpimsolost

New Member
Dec 14, 2025
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Hey, just added some more ram into my system and since then proxmox turns of the only ethernet port on my mobo. I'm watching the lights turn of after "loading initial ramdisk", got those lights turned on by running ip link set enp13s0 up. This didn't connect it to the internet sadly. ping to 8.8.8.8 and 192.168.178.1 both failed, ping to 192.168.178.96 (own ip) did work. Anyone know where I messed up?

Changing enp9s0 in /etc/network/interfaces to enp13s0 to line up with ip a didn't solve it.

ip a returns:
Code:
1: lo: ‹LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default glen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_Ift forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_Ift forever
2: enp13s: BROADCAST, MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 08:bf:b8:36:e6:85 brd ff:ff:ff:ff:ff:ff
altname enx08bfb836e685
3: vmbr0: <BROADCAST, MULTICAST,UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether feia2:Za:e0:98:57 brd ff:ff:ff:ff::ff
inet 192.168.178.96/24 scope global vmbr0
valid_lft forever preferred_lft forever
inet6 fe80::7867:6168 0e06:acB1/64 scope link proto kernel_11
valid_lft forever preferred_Ift forever
BROADCAST MULTICAST, UP, LOWER UP)
4: umbr1: <BROADCAST, MULTICAST, UP, LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default glen 1000
link/ether 1a:b7:1e:5f:63:2c brd ff:ff:ff:ff:ff:ff
inet6 fe80:: 18b7: 1eff: fe5f 632c/64 scope link proto kernel_11
valid Ift forever preferred Ift forever
5: veth104i00if2: <NO-CARRIER, BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue master umbro state DOWN group default glen 1000
link/ether fe:a2:Za:e0:98:57 brd ff:ff:ff:ff:ff:ff link-netnsid 0

cat /etc/network/interfaces returns:
Code:
auto lo
iface lo inet loopback

iface enp9s0 inet manual

auto vmbr0
iface vmbr0 inet static
address 192.168.178.96/24
gateway 192.168.178.1
bridge-ports enp9s0
bridge-stp off
bridge-fd 0

auto vmbr1
iface vmbr1 inet manual
bridge-ports none
bridge-stp off
bridge-fd 0

source /etc/network/interfaces.d/*
 
Last edited:
Not sure if I rebooted the first time I changed enp9s0 to enp13s0, but did that again and added
Code:
LISTEN_IP=0.0.0.0
to /etc/default/pveproxy and all seems to be working now