1. E

    AX88179 USB Ethernet Fail to Up on Kernel 6.5.13-5-pve, Possible Fix in RC Kernel

    I found my setup with a UGREEN USB Ethernet Adopter with the AX88179 chipset fail to bring up the USB interface. Debug logs shows `ifupdown2` failed to find the interface corressponding interface: Apr 11 22:32:28 xxxx networking[1297]: error: ifname enx000ec67988f0 not present in cache Apr 11...
  2. J

    Error while installing fupdown2 version 3.2.0-1+pmx7

    Hey everyone! So I have a server at OVH in France and just installed a Debian 12 Bookworm using their installer. And I started the installation of Proxmox Backup Server 3.0.1, just as I did a few days ago on a Debian 12 Bookworm on a server at Hetzner in Helsinki (one will be the replica of the...
  3. J

    ifupdown2 not backward-compatible with ifupdown

    We recently tried upgrading a machine from PVE 6.x to PVE 7.x. The official instructions say that installing ifupdown2 and uninstalling ifupdown would work as replacement. We use ifupdown + resolvconf. However, ifupdown and ifupdown2 behave differently with our /etc/networking/interfaces file...
  4. S

    No network available - ifup: Permission Denied

    Hi there, As the title suggests, I cannot connect to the network at all. The system was updated (v8, updated from October to November) and rebooted from the command line. Next boot it wouldn't come online into the cluster, so I attached screen and keyboard to check in on it. The system did...
  5. S

    ifupdown and ifupdown2 issues

    Hello, i have the issue that on one proxmox machine the label internal is showing with "ip a" and on the other machine it isn't. I got two proxmox installations where i configured the following: auto lo iface lo inet loopback auto eth0 iface eth0 inet manual auto vmbr0 iface vmbr0 inet...
  6. G

    How work OvS with ifupdown2 in proxmox

    Hello, I would like to know how the ifupdown2 and OvS implementation in proxmox works because on a VM of my pve, I have a trunk that comes from the OvS of my PVE but when the VM is restarted the OvS service requires a restart for the flows to work whereas when I restart the pve it works...
  7. T

    Update von Version 6.4.15 auf Version 7.X

    Hallo zusammen, gibt es Erfahrungswerte bezüglich des Upgrades auf die 7 Version mit ifupdown2 und der keiner MAC-Adress Eintragung? Funktioniert das sicher und zuverlässig mit nur ifupdown2? Was wären den der Worst-Case? Meine Konstellation ist ifupdown2 in Version "ifupdown2/stable,now...
  8. onlime

    ifupdown2 advanced bond config options for LACP

    Hi there. I have my Proxmox VE (latest 7.3) pre-configured for LAGGs with LACP, currently only with a single interface assigned to bond0 slaves, so I can go live by adding the second interface once I (physically) migrate to new switches (Aruba 6300 Series). All works fine so far and «Apply...
  9. K

    please delete this post

    I installed ifupdown2 with apt install ifupdown2 and it installed from debian repos instead of proxmox. now, network connectivity is lost, and my server cannot boot from HD. I just have access to rescue mode. I tried Code: apt update && apt dist-upgrade , but still server could not restart...
  10. K

    please delete this post

    Hi there, I installed ifupdown2 and now server cannot restart in HD mode, It is in rescue mode and all network configuration is gone. interfaces and interface.d/ is empty. How can I revert back the network configuration or please instruct on how to create a configuration file. Thanks.
  11. B

    ifup --print-dependency=dot -> error: main exception: name 'GvGen' is not defined

    ># apt list --installed | grep ifupdown2 ifupdown2/stable,now 3.1.0-1+pmx3 all [installed] I tried: ># ifup --print-dependency=dot vmbr1 error: main exception: name 'GvGen' is not defined GvGen seems to be a python generator for dot-files. https://github.com/stricaud/gvgen I can't find any...
  12. T

    ISCSI SAN Network Unavailable on Boot or Cable Disconnect

    Greetings, We're running ProxMox 7.1-5 on Dell R7525 servers (AMD cpu) with (2) Dell Broadcom 57414 Dual Port 25GbE SFP+ nic cards attached. We've got (2) 25GbE switches cabled correctly and connected to our ISCSI storage appliance. One card is in Riser 1 and the other is in Riser 3; I'll...
  13. A

    apt install ifupdown2

    Hello, i'm going to install the packet ifupdown2 using : apt install ifupdown2 But i get this result : root@pve:~# apt install ifupdown2 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed...
  14. A

    [SOLVED] Debian 11 to Proxmox 7 Problems

    Hi, I'm trying to install Proxmox 7 in Debian 11 and I'm having some problems at the installations when the installation try with ifupdown2 the network goes down and i lost all connectivity to the server, I tried with deafferents providers and also in home lab, the results are the same: Get:531...
  15. D

    Problems with ifupdown2 and NAT directives

    Hello this problem occurs on all our ovh servers, when we try to use ifupdown2 the iptables NAT directives are ignored. This is the typical configuration: auto lo iface lo inet loopback iface enp5s0f0 inet manual iface enp5s0f1 inet manual iface enp7s0f3u2u2c2 inet manual auto vmbr1 iface...
  16. G

    Bridge does not inherit MTU from ports in PVE 7 using ifupdown2

    Consider the following example config in /etc/network/interfaces: auto lo iface lo inet loopback auto mgmt0 iface mgmt0 auto mgmt1 iface mgmt1 auto north0 iface north0 mtu 9000 auto north1 iface north1 mtu 9000 auto bond0 iface bond0 bond-slaves north0 north1 bond-miimon 100...
  17. G

    PVE 7 GUI does not like ifupdown2 syntax

    Using ifupdown, the following config used to be valid and correctly displayed in the Proxmox VE 7 webinterface: auto vlan1120 iface vlan1120 inet static vlan-raw-device vmbr2 address Using ifupdown2 there is no need to add inet static any longer. See...
  18. S

    [SOLVED] (pve-apt-hook) You are attempting to remove the meta-package 'proxmox-ve'!

    Guten Morgen liebe Proxmox Versierte :) Ich habe ein Problem.. Klar, sonst würde ich wahrscheinlich hier nicht schreiben. Ich bin gerade am Ende meiner Ausbildung und dabei mein Abschlussprojekt zu bearbeiten. Dabei soll es sich um ein Lab für andere Azubis handeln. Logischerweise wird das mit...
  19. I

    Removed proxmox-ve and now gui is missing

    Firstly, please be kind to me, I am new to ProxMox and I am trying to learn. So I ran apt install ifupdown2 When I did, I noticed that it didn't install completely or at least I think it didn't. I have completely lost access to the GUI. I am on version 6.3-4 While reading the command I...
  20. T

    [SOLVED] Installing ifupdown2 in PVE 6.2-4

    I am trying to install ifupdown2 on my proxmox hosts but when I try to do it with apt I get the follow: # apt install ifupdown2 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed...


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