request help changing main Ethernet port

R

ReenigneArcher

Member
Mar 20, 2022
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My proxmox host has 2 ethernet ports on the motherboard.

I have been using eth0, but since 2 days ago it seems the port is dead (I think there was power surge that killed it). It no longer lights up at all, though it may not be completely dead as my Plex vm was still working until I tried rebooting the Proxmox server. I couldn't access any web gui's on my proxmox host (proxmox itself or from any services on my VMs, other than Plex).

I'd like to switch it over to eth1, but not having much luck. I thought changing the bridge on `iface vmbr0` to `eth1` in `/etc/network/interfaces` and restarting would be enough, but sadly the host still doesn't have network. Any ideas what I am missing?
 
Hey,

yes, changing the bridge-ports of vmbr0 and ifreload -a is enough. But "only one VM reachable" is not a thing that happens if the NIC is fried. Could you post the output of cat /etc/network/interfaces and ip a? Also, does ifreload -avvv exit with 0? Does it show any warnings/errors?
 
I don't know why, but the Plex VM often stays connected even when proxmox itself has no connection anymore. Maybe because it's a Windows VM?

`ifreload -avvv` exits with code 1

I'm having difficulty seeing the full output due to the default resolution. I will look up how to change that and report back.
 
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