network

  1. S

    Failed to reach Proxmox on VLAN

    Dear community I am pretty new to proxmox but like it so far except when it comes to VLAN's. I know there is ton of articles out there dealing with this topic and I tried quite some of them with no help so far. I have a baremetal machine that connects with two sfp+ ports to my uniFi switch...
  2. C

    proxmox vm is not accessible via the web browser

    hey guys, i have only been using proxmox for a short time and would like to know what my problem is... when i run a webserver nginx/httpd on the vm, i can't access the website via. static priv address. If I use a lxc container instead of a vm it works, what do I have to change so that I can use...
  3. J

    Vmbr0 unknown device type

    Hi, I'm having an issue where I cannot add new interfaces to VMs, or even create new VMs, because proxmox lists my vmbr0 bridge type as 'unknown'. This means that I have no devices listed in the 'bridge' option box when creating interfaces or VMs, and therefore they cannot be created. I can...
  4. 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...
  5. 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?
  6. 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...
  7. 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...
  8. 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...
  9. 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"...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. 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...

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