networking

  1. M

    [SOLVED] Firewall blocks traffic between VMs on same host and in different VLANs

    Hi, I was trying to use Promox firewall but ran into "strange" problems: as soon as firewall on DC level (but not on VM level!!) is active real traffic between VMS running on the same host, but in different VLANs, doesn't work. I emphasize "real traffic" because ping still works and also a...
  2. Y

    I have 2 LAGG bonded networks. They're both supposed to be 2 Gb, but only one is per dmesg | grep -i duplex. Please Help.

    Both networks are working. However, Bond0 has one interface that's running at 10 Mbps Full Duplex and the other at 1 Gb. Bond1 is running at 2 Gb full Duplex. All 4x interfaces are on the same card. Bond0 is assigned to vmbr0 and is my WAN Bond1 is assigned to vmbr1 and is my LAN vmbr0 and...
  3. N

    masquerade works, I wish directly access VMs without iptables

    I'm new to proxmox, Is there anyway I can directly access VMs without iptables NAT entry? For example I wish to ssh with port 22 to 2 different VMs inside my proxmox, current setup is port 41 for 1st VM and port 42 for 2nd VM. num target prot opt source destination 1 DNAT...
  4. A

    connecting Ceph ProxmoxVE Nodes

    Hello everyone, I need some advice in my local proxmoxVE cluster. i am actually trying to set up a high availability ProxmoxVE cluster with Ceph inside of this cluster After installing ProxmoxVE on my physical nodes, I am asking about the way to link them together. I know that ceph Nodes...
  5. J

    Using Iwd in Proxmox

    Hi, When trying to setup a Wireless Bridge towards my VMs i first am trying to setup a Wifi connection. I found this user friendly wireless deamon written by intel iwd, but I can't get it to work. I follow the simple user guide, but get stuck at the point of connection. This are the networks...
  6. S

    Need help with broadcast bonded LAN setup

    I want to use multiple NICs on my Proxmox machine as a switch with routing across the multiple LAN NICs and to the single WAN NIC. I have them set up as a broadcast bond (see details below), with enp2s0 through enp6s0 all bonded. I can see all the Proxmox VMs and the WAN from LAN devices, but...
  7. S

    VM Ports blocked from local network but not from Proxmox host

    I've been having an issue where various VMs become spontaneously unreachable from local machines, but are still reachable from proxmox itself. I don't have any firewall turned on in proxmox or the VMs, but it's acting as if there is one. I can't make heads or tails of this -- it just starts on...
  8. A

    Can't ping anything beside gateway from server

    Hello, this is my first time configuring server and things like this. I was able to get address from DHCP server and now I can ping gateway. But still can't link outside of network or any other PC in room. I can ping server from other computer. eno1 should be my working interfaces (I hope so)...
  9. K

    Proxmox with Two router

    Hi, I have two router setup at home from two different ISPs. One has private IP rage of 172.16.100.1/24 and another one is having 10.10.10.1/24. I normally switch between two connections (whenever one is not working or down etc.) in my other devices. How can I setup proxmox to switch between...
  10. B

    Slow network

    I have a proxmox host with two built in 10G network cards. It is a new install so it isn't doing much, I have a Linux Ubuntu VM and a TrueNAS, netiher in production. I started to test performance on my TrueNAS and noticed it was really slow. 29MB/s on my primary nic (1G), where as testing the...
  11. S

    Proxmox pve networking

    Hello erveryone, We have two switches connected together in MLAG and we are using a bond on proxmox. The problem is that proxmox is using only one connection as active. I removed the kabel from switch01 and lost the connection to the pvenode. But I do not loss any connection when I remove the...
  12. H

    Bridge to VM guest not accessible from within guest.

    I seem to have a problem where I can ping my Fedora Core guest but not ping my Proxmox host. The intention is to share my local zpool on my host with my guest via NFS. My network configuration is: auto lo iface lo inet loopback iface enp193s0f0 inet manual iface enp193s0f1 inet manual #...
  13. B

    SDN Configuration Question

    Hi, I'm working on setting up SDN in a new cluster. The first question is about the physical network topology. Option 1) --------- -- ISP -- --------- | V ----------------------- -- OpnSense Firewall -- ----------------------- | V ---------------------------- -- Proxmox...
  14. P

    Proxmox + pfsense

    Hey. I have quite successfully installed pfsense on my proxmox mini PC with 2 interfaces. After the installation of pfsense I've lost access to proxmox. I know how to recover it. My question is how can I access both pfsense and proxmox from 1 LAN port? I can think of two solutions that I've...
  15. R

    [SOLVED] HELP Web Interface OFFLINE due PCI VM NETWORK CONTROLLER on auto-startup!

    HELP Web Interface OFFLINE due PCI VM NETWORK CONTROLLER on auto-startup! I tried installing Pfsense and adding my 2.5Gbit Nic to it but now i cannot acces the web ui since i started the VM and it booted the web ui offline due probably noob mistake? Auto-startup/startup on boot is ON :/
  16. D

    rrddata unit of measurement

    Hi, I am currently working on a script to track the traffic usage for the VM's in Proxmox, I have however come to a bit of a holt due to a lack of information. I am using the following command to get the netin and netout values for the past hour in minute intervals: root@prx001:/var/log/pn#...
  17. I

    Hilfe für Proxmox mit pfSense VLAN´s

    Hallo Zusammen, ich bin echt seit mehreren Tagen und Nächten am verzweifeln mit meinem neuen HomeLab. Obwohl ich viel hier und im Netz mich eingelesen habe, geht es in meinen alten Schädel nicht rein :( bzw., bekomme ich das als Newbie nicht umgesetzt. Daher bitte ich einmal um Eure...
  18. K

    Proxmox VMs - No Route to Host

    Hallo, wir haben aktuell Probleme mit der Netzwerkverbindung zu den VMs unter Proxmox 7.2-4. Dies betrifft ein Cluster mit zwei Nodes auf den die VMs betrieben werden. Fehlerbild: Sporadisch sind die VMs nicht erreichbar, sobald diese auf den anderen Nodes migriert werden, kann eine Verbindung...
  19. V

    [SOLVED] Linux Bridge not working

    Hello all, I have a proxmox 7.1-12 instance and I use an IPv4 bridge there called vmbr1. Unfortunately I can't ping the VM and the host via vmbr1, there seems to be no traffic at all. Host Config: auto lo iface lo inet loopback auto enp9s0 iface enp9s0 inet static address...
  20. G

    Netplan dying on VM

    I am running PVE v7.7-1 with a VM running ubuntu 18.04.4. I encountered weird errors regarding my networking interface on the VM when I tried to restore from a snapshot. The networking configuration was working fine at the time of the snapshot, and before the restore. I am seeing weird errors...

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