networking

I am having a problem where after an update, I lost all IPv4 connectivity. IPv6 thought works This is my setup: 1. Running proxmox on a mini PC (Virtual Environment 8.1.11) 2. Network layout Pfsense (router) --> Unifi Switch --> Proxmox MiniPC (172.25.90.50) 3. Proxmox server is on its...

Hello, (If this post seems familiar, I originally asked on the mailing list, but I'm posting it here for visibility) I've got a Proxmox server, and I'm wanting to use an A&A L2TP VPN[0] on the Proxmox host. I'm unsure how to set this up in `/etc/network/interfaces`, as I primarily use...

I have a small cluster with 3 machines - all Dell R720s. Proxmox was running well. I updated the least used machine to the latest version and ever since the network has refused to start up. I have been working at this for a week solid. I've read every post on the forum or the internet trying...

Turned out it was a problem on the Cisco end, I don't see where in running-config this is defined but evidently besides defining each vlan interface you also have to do "vlan XX" to activate the layer 2 vlan support for that ID. I think should should be a pretty simple thing to configure, but...

I've been messing with Proxmox on and off for years in homelab using old desktops as hosts and lately added a pair of second-hand enterprise servers. Just started messing with Ceph in virtualized hosts, had a lot of fun with that and I want to try running it on metal for home & lab use. However...

I have been battling with this for over a month any configuration on my VM's does not seem to fix my issue. Below is the image of my network setup provided to me with a deployment of Proxmox from my dedicated server host. eno1 & eno2: These are my 10Gb connections bond0: eno1/eno2 bonded...

Hello everyone, I would like to secure my Proxmox VE with OPNsense... currently ports 22 & 8006 are not forwarded to OPNsense. How i can configur it ? Here are the "/etc/network/Interfaces" auto lo iface lo inet loopback iface enp193s0f0np0 inet manual iface enx0e689c0ecab2 inet manual...

Hello, First of all I like to mention that I'm aware of the risks and disadvantages of using WLAN under Proxmox, yet I want to do this, because I have build my own Firewall with Pfsense in another VM and I'd like to also embed the WLAN traffic of my local network into it, which is why I need the...

Hello all! I've recently launched a proxmox server with 3 VM's. The VM's are the following: RHEL, Windows and OPNsense. My LAN is on this subnet: 10.0.115.0/24. My Proxmox host is located on 10.0.115.253. Proxmox gateways: WAN: 10.0.115.252 LAN: Nothing. My RHEL VM is located on 10.0.115.250...

Hallo liebe Forum Mitglieder, ich habe mir am Freitag meinen ersten Homeserver bestellt. Ich bin Anwendungsentwickler und hatte bisher wenig Berührungspunkte mit Netzwerk Stuff. Mein Ziel ist es später ein Proxmox laufen zu haben mit diesen Dingen: Pi-Hole NextCloud TeamSpeak 3 Server...

Hello, I have been using my proxmox installation for about a year, but every time I make networking changes on the proxmox machine, my windows machine cannot access the web UI. ## My network - 192.168.5.0/24 - gateway/router, physical device pfsense, 192.168.5.1 - client machine, physical...

Hi everyone, is it possible to use a serial modem in proxmox vm’s? I have now my own isp and dail up with a linksys ata. And use a usb modem (passtrough) But I want to check if it wil work with a serial modem, before I buy one… I have a Lenovo P700 with one serial port.

I recently purchased a server from Hetzner and installed Proxmox on it. My server has a single NIC, and I want to set up pfSense on a VM within Proxmox using this single NIC. I am a beginner in both pfSense and networking, and I would appreciate detailed guidance on how to configure pfSense in...

I recently built a three-node network with mellanox connectx-3 cards to serve as the cluster network and use another 1gbe card as the LAN and management network. I've tracked down the issue (I think) to an issue with the routes. Whenever i create a new CT or launch a new container (currently...

Hello everyone, I am trying to configure a failover for the management interface and was wondering if someone could help me out. Below is how my configuration is now... auto lo iface lo inet loopback auto eno1 # this interface is the mangement interface for Promox web GUI iface eno1...

Hello! I have Proxmox VE running on my laptop (8.2.4). I have a standard Linux bridge with the configuration of this auto vmbr0 iface vmbr0 inet dhcp bridge-ports enx0222796c7c62 bridge-stp off bridge-fd 0 which works great, except for when I restart the node, anything connected to...

PVE Version: 8.2.4 Hi, I have setup 3 Proxmox PVE servers (all with identical hardware) running PVE 8.2.4 After setting them up (fresh installs, nothing else done other than check for updates) I created Linux VLAN on each server in the 192.168.*.* address space - these networks all came up...

I own my homelab proxmox server at home. I also have a purchased VPS with a public IP. Is it possible to hook up the vps IP to a container on proxmox to expose it to the internet? If so, can he explain how to do it and possibly how to protect against ddos etc? Thanks for all the help!

I’ve set up Thunderbolt networking on two 10th-gen Intel NUCs using Thunderbolt 3, but I’m only getting an average throughput of 35-40 Mbps in iperf3 tests. I’ve double-checked all the settings multiple times and tried two different Thunderbolt 4 cables. I've tried a few different Proxmox...

Hello there, I just updated to a new Proxmox Version. But once it was done I noticed connection interrupts across all containers and proxmox services. After I have done some research I found: "pveproxy[]: detected empty handle". I already took the following steps (without success) looking...