network

  1. R

    [CLOSED] ip-fou (Foo-over-UDP) on unprivileged container

    Hello there! I have an issue with my LXC container about networking things. So, I've wanted to run ip-fou (Foo-over-UDP) on my unprivileged container, and there is kind of an error message "RTNETLINK answers: Operation not permitted" And this is my LXC configuration file Besides of it...
  2. P

    No DNS with PHP in LXC

    I cannot make DNS queries with PHP in LXC containers, in VM's it works without problems. I have not changed anything in the Proxmox firewall settings, everything is set to default. Normal DNS queries with "ping" work fine with PHP but not, What could be the problem?
  3. T

    8.2.2 upgrade breaks 1st node. Manual network start needed

    Hey all, I have a 3 node Proxmox/ceph cluster and I decided to update. After updating the 1st node, networking no longer works on it. Others have said their 8.2.x upgrade changed the device name but that's not what I'm seeing. Upon booting up and and logging in, I can run manually run...
  4. jsterr

    [TUTORIAL] Broadcom NICs down after PVE 8.2 (Kernel 6.8)

    We had some issues with some broadcom nics going down after update to 6.8 Workaround: NICs go up if you do a service networking restart FIX: Update Broadcom Firmware to latest firmware and blacklist their "beautiful" infiniband-driver This will update ALL YOUR Broadcom-Network Cards to their...
  5. F

    [SOLVED] VMWare -> Proxmox | Storage Ceph - Fragen?

    Hallo in die Runde! Auch wir überlegen, einen Übergang von VMWare zu Proxmox zu realisieren. Stand bisher: VMWare Cluster 5 Nodes, 2 Storages mit SAS Anbindung Nun zu unseren Überlegungen: Unter Beibehaltung der bestehenden 5 Nodes wollen wir die bestehenden Storages gegen ein Ceph-Cluster...
  6. W

    Trying out SR-IOV no network for VM on same Bridge as main PCI

    Hi! I'm fairly new to SR-IOV this and hope I'm using the right terminology and abbreviations. I'm trying to figure this out. I've got a VM which I've assigned it a VF from the main 10GBe network card. This works fine, it does it's thing, no issues. I wanted to use the same PF(The top "root"...
  7. W

    Setup one bridge per VLAN with OpenVswitch

    Hello everyone, I apologize if this question has been addressed before, but I'm currently encountering a roadblock and have been unable to find a solution. My goal is to create a separate bridge for each tagged VLAN on my eth0 interface. Subsequently, I want to connect virtual machines to these...
  8. P

    Unable to send Mail and connect to port 25 from Guest

    Hi, I have a mail server running in a guest vm I can revive mail but cant send them. when trying telnet mailsec.protonmail.ch 25 from the guest it wont connect but from the host it works. connect to mailsec.protonmail.ch[185.205.70.129]:25: Connection timed out when i ping mailsec.protonmail.ch...
  9. U

    Network bridge where all member-VMs are isolated?

    I want to create a Linux Bridge where all members will be isolated from each other, and can only reach the gateway. As far as I've read Proxmox SDN aims to achieve the inverse; however Linux bridges support isolation natively; I have just ran the following commands and observed this leads to...
  10. A

    Docker Container kein Internet

    Hi zusammen, ich bin gerade dabei mich in Proxmox einzuarbeiten und habe Privat bereits den Umstieg von vmware vSphere vollzogen. Das meiste war selbsterklärend bzw. durch die gute Dokumentation recht schnell zu verstehen. Jedoch habe ich ein Problem mit Docker, gemäß der Dokumentation habe...
  11. B

    SDN with Cluster and several services

    Hello Proxmox Community, I'm a long-time lurker, and today I'm the one posting :) I'm trying to set up an SDN (Software-Defined Networking) on a cluster of 2 Proxmox servers to create a high-availability (HA) datastore using OpenMediaVault (OMV) and DRBD (one OMV instance on each Proxmox...
  12. R

    I am getting slow speed on proxmox server

    Good afternoon, I am a little desperate and need some help, I need to know why when I do a speedtest-cli on the host I have so little speed, "only" I get 450Mbit/s and I should get 920Mbit/s as I have contracted 1gbit and if I do the test in windows I get 920/930Mbits, I have another mini pc...
  13. B

    [SOLVED] Network configuration on a Cisco UCS Blade

    Hello everyone, We would like to use Proxmox on a Cisco UCS B200 M-Series Blade. We've already installed the latest Proxmox version on the Host. From the network side on the switch we've configured two LACPs which has 4 ports each. With the VLANs 9 for management and 201, 4092 for data. This...
  14. J

    [SOLVED] Proxmox Unreachable

    Hello All, so I have a bit of a funny one, which I am sure there is an obvious answer I am missing. Last night I swapped out my 16 port Unifi switch for a Unifi 48 POE switch, everything connected to it works as it should... except for my proxmox (1) server. The Server and the VM's all appear...
  15. B

    [SOLVED] Access to samba/nfs or any webui of any lxc container always errors with "connection reset"

    Hello. I have read lots of posts in this forum and a lot more on the web in regards to my situation but they were not that similar, or when I did the solution to the issue it didn´t work. So I decided to post to get help from more seasoned people. Since last week I have been using lxc containers...
  16. L

    Sporadic network losses for Debian 11/12 VMs

    Setup: - PVE Cluster 8.1.0 / Linux 6.5.13-3-pve - Typical Proxmox installation with bridged WAN (Linux Bridge) Test VMs: #1: Debian 12 - Kernel: 6.1.0-18-amd64 - IP & Mac Filter enabled (NDP enabled) - Firewall: Block all Incoming (except ICMP Test server ip) / Allow all outgoing - Network...
  17. K

    [SOLVED] Ceph and Storage Networking Configuration

    I have a three node cluster. Each node is an HP 600 G6 DM with the built in 1GbE port and a 10GbE add on through the Flex IO port. Each nodes gigabit port is connected to my UniFi Dream Machine on the 10.0.2.0/24 (VLAN2) network. The three 10GbE connections are connected to a USW-Flex-XG. I plan...
  18. D

    No network access after fresh install

    I read about a lot of similar post but nothing solved my problem. I have installed Proxmox with a correct network ip, gateway for my network but no network acces after install. My DHCP range go from 10.0.0.8 to 10.0.0.253. I can't access the web ui on my computer on the same network. I also...
  19. D

    Missing NIC

    I have three Cisco C220 M4 servers all loaded with Proxmox 8.1.4 and configured into a cluster. The cluster is healthy. Up until now I have been using one 1 GBe/sec NIC per node. Now I want to utilize another NIC (I have eight others to choose from). With the server at the POST screen, I can...
  20. F

    Proxmox suddenly not accessible via web gui, SSH or ping. Appears to be still working via terminal on device itself.

    I'm making this enquiry on behalf of a friend but seeing as I got him in to this I feel kind of responsible! That said, I'm still an absolute novice so terminology will likely be well off. Please be gentle! So, he states that after initially configuring a couple of containers (for running...

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