netwokring

  1. S

    [SOLVED] Proxmox change IP address

    Hi, I recently attempted to change the IP address of my Proxmox server (192.168.3.12---> 192.168.10.54) and updated it in the /etc/network/interfaces file but to no success. Surprisingly, reverting to the old IP (192.168.3.12) while connected to the (192.168.10.XX) network resolved the issue...
  2. W

    web-gui not connecting from another vmbr

    I'm new to proxmox VE and I liked it, I'm new to using it. But can anyone help me? auto vmbr0 iface vmbr0 inet static address 10.12.52.125/24 bridge-ports eno1 bridge-stp off bridge-fd 0 bridge-vlan-aware yes bridge-vids 2-4094 auto vmbr1...
  3. J

    Proxmox VLAN Help - Virtual OPNSense router with hardware switches not working.

    I have a proxmox host with two interfaces, one for WAN connectivity and one for the LAN, with a OPNSense firewall VM on proxmox. I have several VLANs in place which up until now, have solely segregated VM traffic and worked well. However, I now want to include non-virtualized devices in specific...
  4. T

    No network in Ubuntu driving me nuts

    I did a Gen 2 install of Proxmox in Hyper-V and the Proxmox install has access to the network and the internet without having to do anything. If I install Ubuntu Desktop 22.04.4 directly into Server 2019 Hyper-V there is no problem and Ubuntu gets an IP from the DHCP server during installation...
  5. K

    Interface tap129i0: High bandwidth usage (>90%)

    Hello, I see this alert in zabbix monitoring for proxmox 7 node, what are these interfaces used for and how to check which process use this bandwidth Thanks
  6. M

    Hetzner - running 3 Proxmox hosts behind dedicated firewall

    Hello everyone, This is a question about possibilities, because I cannot seem to find anything like this when searching. This may be more of a Hetzner issue but it looks like folks on here are pretty well versed in Hetzner so I am hoping someone has some ideas. The premise: I am attempteng...
  7. P

    [SOLVED] Cannot access Proxmox machine from macbook

    Hello there, I have successfully installed Proxmox VE, version 8.1.0. on Odroid H3. I set static IP to 10.0.0.98 and gateway to 10.0.0.1 during the installation. All worked fine until out of nowhere I can no longer connect to server from other local hosts on the same network. I can't see web...
  8. P

    pfSense VLAN Setup - Help!

    So i found this online: and wanted to replicate it in order to host my own webservers and stuff. so i spent a VERY long time setting up my pfSense VLANS and then spent very long time figuring out how to get console access to my procurve 2510g (i didnt know i had to press enter twice)...
  9. D

    Assign secondary public ip to vm inside proxmox and access internet

    Dear All, I have installed proxmox in oneprovider cloud as dedicated instance and I can access the web panel successfully. What I want to configure is adding secondary public ip purchased from cloud to my debian vm inside proxmox and access internet from it. Without configure pfsense in the...
  10. P

    vSwitch that doesnt forward the server related traffic

    So, I have a server with 4*2.5Gb ports, one of them is used for the main networking, including a samba drive. I also have a desktop with a 2.5Gb card. But I have an 1Gb switch. I want to make the desktop port to be able to access the internet (forward the port traffic to the main port), but...
  11. P

    Corosync breaks the cluster and put down all network

    Good afternoon, Last days we experience unpredictable behaviour our Proxmox cluster based on pve-manager/7.4-16/0f39f621 (running kernel: 5.15.83-1-pve). Every single time when we leave corosync.service running at night time that breaks the whole network and stops all services working properly...
  12. R

    Not able to get metrics from clustered server INFLUXDB2

    I have three clustered servers, each with a distinct public IP address: Datacenter (Connected via InfluxDB) Server 1 Some Machines and containers Server 2 Some Machines and containers Server 3 InfluxDB (Configured with the default port) Some Machines and containers Although I am...
  13. T

    Use home network subnet to access internet but block access to the other ips in the home subnet

    New to networking practice i have a case i want to implement to have the most security and to exercice a bit. I have a nginx server i want to be public and receive communications to route to my dev services (jenkins in this example), i wanted to make the nginx be able to contact public thats...
  14. J

    Prxmx VMS are connected to Internet

    Hi, I have installed proxmox on OVH, I have created a template where I could do a full clone to create VMs, but the problem is, the VMs are not connected to internet. I will give you the conf, maybe you could help me to resolve this issue. the host conf : In order to create VMs I have created...
  15. C

    Configure multiple subnets on single NIC

    I have a 1x4 sfp+ 10Gbe NIC in my host machine and 2 subnets, 192.168.2.0 and 10.0.0.0, configured on my Cisco Nexus 5596UP switch. I have created 2 bridges in Proxmox, vmbr0 (IPv4: 10.0.0.3/24 Gateway: 10.0.0.1) on enp20s0f0 and vmbr1 (IPv4: 192.168.2.4/24 Gateway: not set) on enp20s0f1. The...
  16. V

    Ceph network failover

    Hi there, I have 3 nodes and I want to use thunderbolt for ceph network. I setup mesh network using openfabric according to this guide As thunderbolt networking is a bit finicky, I want to have a failback connection for ceph network. In ip route openfabris is sets static route e.g 10.15.15.1...
  17. D

    Temporary failure in name resolution Proxmox v7.4-3

    Whenever I try to perform basic network tasks like pinging a website (e.g., ping example.com) or updating packages with apt update, I get the error message: "Temporary failure in name resolution." This issue has been persisting for some time now, and it's causing problems with my system updates...
  18. D

    Change default network

    Hello guys, im trying to simulate a home network on my proxmox so what im trying to do is: vmbr0: 172.154.1.129/24 vmbr100: 195.147.240.0/24 vmbr0 will act as wan vmbr100 will act as lan i did setup pfsense and made vmbr0 as wan and vmbr100 as wan but i dont want that wan can access my proxmox...
  19. R

    Cannot access internet on container through proxmox host public ip.

    Greetings, I am trying to make my containers have access to internet through proxmox host public ip. Below are my proxmox host networking configurations. ``` auto lo iface lo inet loopback iface eno1 inet manual auto eno4 iface eno4 inet manual iface eno2 inet manual iface eno3 inet...
  20. 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...

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