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You are not completely right there, I see a change in traffic when I disable rx/rx offload on tap interface and yes, DHCP traffic. If I don't, it doesn't work in the VM, so the one being DHCP relay. I think the same happens for firewalls, check oVirt it has an option to disable it on KVM with a...

HI, Thanks I will look into the hooks (again). I think an option would be best as you actually hack that in anyways using a hook script. Would that be a lot of work ? Thanks again!

You thanks for the quick response and late work! Really appreciated, I'm happy with it! About the bonds let's hope that in there soon! The workaround is a good idea, thanks! Maybe you are able to look into offloading as well on the tap interface ? Something I think you have an idea about...

You might think it's useless but if I run VyOS with DHCP relay on it the DHCP relay only works when I offload on tap-interface on the hypervisor. It's a known KVM thing, even oVIrt has an option to disable it on KVM level for a Host/VM.

Hi, I have tested it and it seems to work perfectly now, no breakage here as well anymore, thanks for that! The only message I got was: # ifreload -a error: /etc/network/interfaces: line36: iface bond0: unsupported keyword (bond-primary) error: /etc/network/interfaces: line37: iface bond0...

It's an interface, virtual indeed, that is why you want to turn off Hardware Offloading, it's on by default.

Hi, Thanks so far! I made the setting and did a reload but the same issue occures, same error, even on none. I changed that for the setup as I hoped it checked like you can also bridge only once to an interface and none was used multiple times, I now use it only on one bridge # brctl show...

Anyone a clue how to accomplish this ?

Good we are making some progress, nice you checked this out. The error I get is the following: # ifreload -a error: vmbr11: bridge port none1 does not exist After that non of the hosts are pingable anymore and I need to bring down/up the hosts for a working tap again.

HI All, Is there a way to enable offloading on a tap interface while the VM is starting ? /sbin/ethtool -K tap101i0 rx off tx off I have been busy with startup scripts and such but didn't succeed. What I do see is that on start of the VM the offloading is actually there but after some...

Great! Looking forward to it!

Hi, The same goes for vmbr1001 then, I can remove them and see no errors with ifreload -a (ifupdown2) but my tapinterfaces, or at least my VM's are not reachable after the reload. Any idea about that ? Thanks so far! /edit because of update Proxmox adds 'bridge-ports none' to a bridge...

Thanks, I wasn't sure about it but saw something about it!

Good to know! I will check it out if I fixed my bridge issue like here: https://forum.proxmox.com/threads/bridge-wont-start-because-of-bridge-ports-issues.53227/#post-245884 Thanks!

I have a server with my WAN interface for my Proxmox server where I also have routed subnet on for my VM's. The issue I run into is that this works for the IP's fine but I have trouble with the bridge-ports as a bridge doesn't start without any but also complains when it doesn't exist of you...

Hi All, I created some VM's and wanted to have them with different ID's so I stopped the VM's, change the name of .conf file in /etc/pve/qemu-server to the ne ID and changed the disk names following the new ID in the .conf. After this I changed the vm-<ID>-disk-0 /dev/zvol/rpool/data to the...

What is actually really working here ? I installed ifupdown2 but it doesn't seem to work with: pvesh set /nodes/hv-01/network Also the earlier mentioned scripts don't seem to (re)set the tap interfaces.

For people that have the same issue or issues at all with clusters, there is another way to remove your node safely from a cluster (of not using shared storage) http://wahidrizkafathurrohman.blogspot.com/2017/04/fix-proxmox-cluster-not-ready-no-quorum.html

I saw this same issue and decided to go no-cluster and end up here: https://forum.proxmox.com/threads/remove-node-from-new-non-active-cluster.53150/ My VM's on Node1 are still running perfectly fine tho! /Edit: When stopping a VM on my Node1 and try to restart it again I get the same...

Hello, I have installed 2 Proxmox nodes where one host has already some VM's on it. My idea was to use them in a separate way but while reading I thought I might stay with separate nodes. I have created a cluster on my node1 and did not add node2 to it yet, I got some message about some quorum...