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Questions tagged [vxlan]

11 questions
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Linux VXLAN Hardware offloading

When looking at several guides to setup VxLAN networks on Linux there seems to be 2 options: Open vSwitch (OVS) Native Linux VxLAN device. When using OVS there is an option to use vxlan encap/decap hardware offloading: $ sudo ovs-vsctl set ...…
eKKiM
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1 answer

VXLAN L3 over Wireguard L3, with VLAN-VNI Mapping

Hoping this is the right place - I originally posted on Network Engineering but it got closed and I was pointed to Server Fault. I am currently attempting to setup a L2 bridge between two sites using VXLAN to provide the L2 connectivity and…
ChownAlone
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How to bridge TAP device to overlay network?

I would like to allow OpenVPN users to reach all Docker containers that are part of Overlay network as if they were in the same LAN. The simplest example is 3 containers distributed on 2 hosts, and the hosts are connected through overlay network,…
Mohammed Noureldin
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VXLAN with different group but same vxlan id on ubuntu

I'm playing with vxlans on ubuntu 18.04 right now and I just found something strange. I have 2 servers with 4 containers on each. Containers are connected to bridges br1 - br4. There are vx1 - vx4 interfaces connected to corresponding bridges. Whole…
Ondra Sniper Flidr
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PMTUD/ICMP black hole problems across a VXLAN tunnel

I'm running a Proxmox PVE host and am trying to use VXLAN to connect the machines running on it to various networks in our Lab. However, I'm running into weird MTU-related problems that I don't understand. First my setup. The basic layout is that…
Christopher Engelhard
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1 answer

MTU Problems with vxnet over wireguard and linux bridge

My Setup: Several Proxmox Hosts with one eth0 connected to LAN via bridge (vmbr0) in proxmox. (Default setup) There is another "dummy" bridge device for internal traffic between Guests (vmbr100). As first guest we have a "Router" VMs on each Host…
cernoel
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How to configure routing in/out of VXLAN

I have several Linux hosts that are connected using vxlan. Let's call them Host A, Host B, and Host C. The config on each host is similar to this: # Define a bridge: cat << EOF >…
mrog
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Monitoring traffic via VXLAN for other systems

I am having difficulties getting VXLAN traffic to decapsulate correctly. Here is my setup: Ubuntu 18.04 systems with 2 NICs eth0 is connected to a live network and used for management eth1 is connected to an aggregated monitoring port that gets a…
Tal Cohen
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why port redirection and DNAT does not work with vxlan

I need to create VXLAN connections between two computers A (on Debian with IP 192.168.30.1) and B (on archlinux with IP 192.168.30.3) For that, I did: On A: sudo ip link add vxlan1 type vxlan id 1 nolearning remote 192.168.30.3 dstport 33333 dev…
sebastien dontneedtoknowthat
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openstack selfservice network setup

I'm trying to configure the selfservice network on Openstack Wallaby, running on Ubuntu Server 20.04. I have followed the instructions for everything under the "Minimal deployment for Wallaby" section under "Install OpenStack services" on the…
DJR
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Network Discovery wont work over OpenVswitch VXLANs tunnels

I have working Openvswitch VXLANs, Recently i noticed Network Discovery wont work over VXLAN tunnels across different Hypervisors. Virtual machines can use all file sharing etc if accessed through IP addresses But not visible automatically under…
topmop75
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