network configuration

  1. Z

    Routed configuration question

    If I have one public IP for the host and 4 more public IPs for the guest, by using routed configuration (as presented here: https://pve.proxmox.com/wiki/Network_Configuration), the guests will use their public IPs while accessing the internet or host's public IP? How do I need to setup vmbr0 if...
  2. Z

    Public and Private IPs

    What is the best way to let the VMs on different nodes to communicate to each other either via their private IPs or via their public IPs? How to achieve this with a 3 node cluster? All the 3 nodes have 1 public IP each + public IPs to be used on VMs. Let's suppose I will have 5-10 VMs on each...
  3. J

    Migrating a 3 cluster node to a new subnet

    Greetings! I am still fairly new to Proxmox, and I have found myself in a similar position with regards to this post here. Do I need to recreate the cluster if I want to migrate it to a new subnet? Since Changing the hostname and IP is not possible after cluster creation.
  4. F

    Check Network config file pls

    Hello, community, as I'm a relatively new user of Proxmox and Debian I publish a network config file that pleases can somebody tell me if it will work or how do I have to modify it. Thank you for your help. The host has 4 RJ45 1Gbps interfaces and 2 SFP+ 10Gbps interfaces. The idea is to...
  5. M

    cloud-init interfaces down during first boot

    Forgive me if I am missing something simple. I am using the snippets to attach the following net config to the machine: cat <<\EOF> /mnt/pve/ha-storage/snippets/test-network.yml version: 1 config: - type: physical mac_address: '32:52:38:6d:f0:dd' name: int0 subnets: - type...
  6. 4

    Cannot Create/Join Cluster - No Networking Available

    I've just installed proxmox on a server, recreated all my VMs from esxi, and am now working on creating a cluster between two hosts. Host1 has all the VMs on it (3 LXCs and 2 VMs) while Host2 is brand new. Both are on DHCP with static leases. I was able to create a cluster on Host2 just fine...
  7. D

    correct network configuration

    Hi all guys. I'm new to the forum and proxmox, sorry in advance for my bad english. Lately I tried proxmox on my laptop using my router as DHCP and everything worked right away with no particular configurations. I then switched to proxmox on an external vendor to configure vm. I have two...
  8. H

    [SOLVED] one node cannot see other nodes in a cluster

    Hi, I got a problem. I have set up a five node cluster wIth the latest version (7.0-2) on each of the five nodes. The nodes can see each other at first. However, after about one hour, one node cannot see the other four nodes. Meanwhile, the other four nodes show very slow performance and...
  9. K

    [SOLVED] Virtual network Pfsense

    Hello I looking to do this. I am not sure what kind of network I have to use in proxmox. Bridge or Bond or..... ... ?
  10. C

    New NIC card - Network stops working

    On one of our Proxmox node (pve14) NIC card stopped working entirely. We purchased a new NIC card and I changed the configuration in "/etc/network/interfaces" to use a new rj45 port under the name enp7s0. (picture1.jpg). After server restart "ip a" command is showing that everything should be...
  11. V

    [SOLVED] CT is not getting connected to the Internet.

    I am new to proxmox. I have created a CT having Ubuntu 18.04 template. The problem is it is not getting connected to the internet. $ ping 8.8.8.8 connect: Network is unreachable $ cat /etc/network/interfaces # ifupdown has been replaced by netplan(5) on this system. See # /etc/netplan for...
  12. S

    How to assign private and public IP address on VMs or CTs hosted on same Proxmox Server?

    How do i assign mixed of private and public ip addresses on VMs or CTs hosted on same physical server? For now I have Promox server with many CTs which are assigned public IP addresses. But now I want to assign private ip addresses to few CTs. How do I achieve that. Please kindly help me on this.
  13. J

    Multiple Networks on one node

    I'm trying to add a second network to my proxmox host so I can host certain VMs on a separate network than my main network. Networks net1: 10.10.10.0/24 net2: 10.1.10.0/23 I've already tried following this post here: https://forum.proxmox.com/threads/configuring-multiple-networks.34337/ This...
  14. R

    Problem with network, on ubuntu 18.04, 20.04

    Hello, me have issue on ubuntu 18.04> On debian 10 network work fine Me cant use network, ping is unreachable Configuration file proxmox are fine (Because Debian 10 work), DC: Hetzner LOG - issue
  15. H

    Proxmox Network Interface Name Problems

    Hi, Few months ago (On proxmox ve 6) I have installed new fiber NIC with mellanox sfp on Dell PowerEdge Servers, the proxmox ve detected the new names as "enp67s0f1np1" (note : the name is 12 letters), and to use the new interfaces I have added VLAN extensions to the interface Bridge Port...
  16. V

    [SOLVED] Second network card stopped working

    After updating to 6.4, the 2nd network card stopped working, it worked earlier. I have 2 network cards in my system, each of them hosts virtual machines from its own subnet 1. Network card for subnet 192.168.0. * it is built into the motherboard and it works 06:00.0 Ethernet controller...
  17. S

    Private Network on Proxmox VE 6

    Hello, I am trying to set up a private network on proxmox. I did it according to the documentation https://pve.proxmox.com/wiki/Network_Configuration, but the machine does not have internet access. Proxmox is installed on a dedicated server that has only one NIC card. Below I am sending the...
  18. A

    What's the preferred counterpart for "InternalNetwork" of VirtualBox?

    Hi all, I'm in the process of migrating from VirtualBox and phpVirtualBox to Proxmox and most of my VMs are simply bridged to the public uplink of the host. I'm planning to change that to a suggested routed configuration, as my new hoster will be Hetzner providing a /28 subnet, which will only...
  19. R

    Dual homing with two NICs (Different newtorks and two different gateways)

    Hello to all - I'm new here, so please be gentle! ;) I just set up my first "real" Proxmox server - with proper "server grade" hardware for a home lab setup (after testing it on an old PC) - I installed it on top of a baseline Debian 10 to start with . . . and setup several containers and VMs...
  20. J

    Throughput issues with recently installed Gig Ethernet card - Dell PowerEdge T320, Proxmox/Debian, Broadcom NetXtreme BCM5722

    Hi all, I recently added a node to a Proxmox cluster and was setting up a dedicated server <-> server ethernet connection with some spare NICs but I am getting significant throughput issues on the new card. I am suspicious of the NIC I installed in the T320 and NOT of the NIC in the...

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