network configuration

When I installed proxmox, I installed a 4 port network card for a pfsense virtual machine. i scrapped that and debridged the network card connections but when i remove the network card, proxmox won't connect to the network. The ethernet is connected to the motherboard. I have VM's set up and...

Hello, I currently have the following network configuration on a proxmox host: auto lo iface lo inet loopback iface eno1 inet manual iface eno2 inet manual auto vmbr1 iface vmbr1 inet dhcp bridge-ports eno1 bridge-stp off bridge-fd 0 bridge-pvid 1 #To access port portA on...

Hello everyone. I have a somewhat unconventional task and could use some help as networking isn't my forte: There are two networks, each with public IP addresses: Subnet Address: 52.102.119.228/28 Default Gateway: 52.102.119.229 and Subnet Address: 11.286.202.192/28 Default Gateway...

How to correctly configure vlans on a Proxmox Backup Server? When I try to create a Linux Bridge with the name "vmbr0.99", the name field border gets red and the tooltip "Format: vmbrN, where 0 <= N <= 9999" appears. Possibly similar to: https://forum.proxmox.com/threads/vlans-in-der-gui.125579/

Hello everyone, we have Proxmox running on a single server. On the Server are two Windows Server 2019 VM installed. One VM loses randomly connection to the Gateway while the other vm runns fine. Also there are random packet losses (ping no response) on both vm. The two vm have the excate same...

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...

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...

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...

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...

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...

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...

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...

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...

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 ?

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...

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...

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...

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...

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...

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...