network configuration

  1. K

    [SOLVED] Problems with getting updates, probably something to do with network setting

    Goodmorning, I finally installed Proxmox this morning. After a lot of trail and error yesterday. The next step is getting the updates, but I have a feeling that my network setting are not correct. Can somebody help me? It's a homeserver. I don't really have a lot of knowledge in setting up...
  2. S

    LXC networking issues

    Hi all, I have an LXC running Ubuntu 22.04, which I'm trying to move to a new LXC running Debian 12. Running the exact same LXC configuration somehow results in initial SSH connections to the container taking minutes or more to succeed: $ ssh root@10.11.20.203 -vvv 2>&1 | ts -s 00:00:00...
  3. K

    Extremely bad network speed between PVE nodes

    Hi, I have a test setup consisting of 2 x PVE nodes (dk1prx01 & dk1prx02), that are connected to the same single switch, with the same uplink to the rest of the network. If i copy data between VMs on the same node, i reach speeds of between 850-980Mbit/s - even if its routed between VLANs. If i...
  4. T

    [SOLVED] Can't Connect to Internet on Fresh Installation (but can access local network)

    Hi, I'm new to Proxmox and I'm having some difficulty getting setup with internet connectivity. I decided to reinstall Proxmox from scratch to see if I had made a mistake along the way but it hasn't solved my issues. After a successful install, I changed the update repositories to the no...
  5. R

    [SOLVED] Network speed stuck at 100Mb/s - Proxmox VE 8.0.2

    Hey, I've just installed Proxmox VE 8.0.2 on two different types of PC and I'm having the same issue. They both are stuck on 100Mb/s network speeds, not sure where to go from here. I did fresh install's just last week and made sure they are both up to date. root@TestLabServer:~# ethtool eno1...
  6. B

    1/3 nodes stuck with no IP

    Hello guys, I have 3 old Lenovo Office PCs running as Proxmox Hosts. All 3 of them have been updated to Proxmox 8 and worked fine. I haven't been using the 3rd node for a while and after that I wanted to boot it up again it wouldn't come online. Wake on LAN worked and after checking and trying...
  7. S

    [SOLVED] PVE 8 network configuration with IPv4 range

    Hello, I am renting a dedicated server (with multiple NICs) from a non-profit hosting provider. I installed Debian 12 and then PVE 8.0.4 on the server. They provide me with an IPv4 range (foo.foo.foo.240/29), and I use one of the addresses (foo.foo.foo.243) for the PVE node. Additionally, I...
  8. B

    Proxmox 8/Ceph Cluster - High error rate on Ceph-network

    Hello proxmox-community, we encounter a high error rate (errors, drops, overruns and frames) on the cephs network interfaces on our newly set up four-machine proxmox 8/ceph cluster when writing data (e.g. from /dev/urandom to a file on a virtual machine for testing). bond0...
  9. D

    Proxmox Support Maximum network speed (10Gbps ?)

    Hi All I have a machine have 100Gbps network card , and I install the proxmox on the machine .When I provision a VM with VirtIO (paravirtualized) network interface ,found I can only get around 20~30 Gbit/sec network speed. Is there any way I can improve my network speed to 100Gbps ?
  10. 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...
  11. S

    Proxmox 8 will not connect to network

    Good morning everyone. I am completely new to Proxmox and have read dozens of threads and am still having issues. I installed Proxmox 8 on a new SSD in a mini-PC (MULTIPLE times) but I am not able to connect to the UI or even have my router recognize that the PC is connected to the network. I...
  12. M

    VM not sniffing traffic

    So i have snort on a vm in proxmox, it is correctly set up and in the vm's terminal i enabled promiscuous mode. But snort only is capturing and alerting with network traffic that is communicating with this machine? I think through proxmox i need to make changes to the network interface and force...
  13. K

    Openning Proxmox to the WEB for Management and its VMs. Multiple questions for final networking-securing-backup-imaging of Proxmox and its VMs.

    Hello All, As I have done other things in my professional carreer, I have missed some chunks of the IT, unfortunately also bigger chunks. Now working on my project I am in the middle of nowhere, exposing the ip of the management to internet. I am setting up one DL380 with Proxmox, 128 GB RAM...
  14. T

    HP DL gen10 no bond communication

    Hey all, I have a DL gen10 server that I installed an HPE dual 10Gb 560FLR-SFP+ Adapter into. I've found that it will not pass bond0/LACP communication. An Intel X520-T2 with the same interface bond0/LACP config connects without issue. The switch shows LACP is communicating/connected. Does...
  15. I

    NEW NIC not ACTIVE but detected.

    So, here is the thing. I have a dual SFP+ NIC that works well. I also wanted to place a 2.5Gbe Quad card into my proxmox machine. I am simply trying to do a Linux bridge within proxmox. The card is seen but won't become active. I tried a dual 10Gbe card and it was seen and would become active...
  16. P

    ETH ports on SBC PCI card

    Hello, gurus!!! Please help me to understand if my required configuration is feasible. Current config: PCI shelf with one installed G25A - EMBEDDED SINGLE BOARD COMPUTER. According to G25A docs - there are 3 ETH ports on the front, indeed the LAN cable is connected to the upper ports and it's...
  17. E

    Switch NUC hardware - network does not start

    I had a working PVE node in a cluster on a NUC11TNKi3 NUC w/ 32GB RAM and a 2TB nvme drive. I removed the nvme drive and stuck it in a NUC10i7FNK w/ 64GB RAM. I have confirmed the NUC10i7FNK works with a fresh install of PVE but I need the existing nvme. The NICs leds don't blink (no link and...
  18. avonnieda

    [SOLVED] Interface name changed from enp2s0 to eth0 after update from 7.3.-4 to 7.4-3 / reboot

    After apt-get update apt-get dist-upgrade Did the following to get things rolling again, just posting this in case someone else runs into the same. If I should have done something differently, please let me know! Solution: In file: /etc/network/interfaces, changed two lines where enps0...
  19. A

    Network is unreachable after installation. unable to access the web GUI

    Hi everyone, quite exhausted at this point. I have a 2018 Macbook pro laying around collecting dust. And no one will buy it from me, considering what a crappy machine it is by today's standard. It has 32GB RAM, a radeon Graphics card and a 2.9 gigahertz processor. I figure this would be a great...
  20. J

    Overlapping WAN's in firewall

    Hello This is currently my network configuration. I am using my public ip .116 for my PVE e, another public ip .118 as a NAT network for my VMs. The public ip .118 is connected to the firewall as WAN and the firewall then controls all the traffic. Now on the firewall I would like to also add...

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