Hello, community. I'm rookie at proxmox and not a linux expert also. And English is not my main. So, if I forget to show something important, just ask.
Okay, I have proxmox installed on baremetal. I tried both bridge networking and NAT networking, that's why I have configs for both, that's not an error or misconfig. While NAT mode works perfectly with my VMs, in bridge mode they don't. Every firewall on every point is turned off. Proxmox version: 8.3.3.
proxmox host:
VM1: bridge=vmbr0 (not work):
so, I change configuration.
VM1: bridge=vmbr1 (working):
What can be wrong? I read the docs, I wached countless videos on Youtube, on similar setups it just works for lots of people.
Also, while VMs not work, looks like there is no problem for LXC containers. I created a couple and they work flawlessly in bridge mode.
Okay, I have proxmox installed on baremetal. I tried both bridge networking and NAT networking, that's why I have configs for both, that's not an error or misconfig. While NAT mode works perfectly with my VMs, in bridge mode they don't. Every firewall on every point is turned off. Proxmox version: 8.3.3.
proxmox host:
Bash:
root@meowth:~# cat /etc/network/interfaces
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!
auto lo
iface lo inet loopback
iface eno1 inet manual
iface eno2 inet manual
auto vmbr0
iface vmbr0 inet static
address 10.127.127.250/24
gateway 10.127.127.254
bridge-ports eno1
bridge-stp off
bridge-fd 0
auto vmbr1
iface vmbr1 inet static
address 10.127.128.254/24
bridge-ports none
bridge-stp off
bridge-fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up iptables -t nat -A POSTROUTING -s '10.127.128.0/24' -o vmbr0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '10.127.128.0/24' -o vmbr0 -j MASQUERADE
post-up iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1
post-down iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1VM1: bridge=vmbr0 (not work):
Bash:
root@vm1:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug ens18
iface ens18 inet static
address 10.127.127.101/24
gateway 10.127.127.254
# dns -* options are implemented by the resolvconf package, if installed
dns-nameservers 9.9.9.9so, I change configuration.
VM1: bridge=vmbr1 (working):
Bash:
root@vm1:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug ens18
iface ens18 inet static
address 10.127.128.101/24
gateway 10.127.128.254
# dns -* options are implemented by the resolvconf package, if installed
dns-nameservers 9.9.9.9What can be wrong? I read the docs, I wached countless videos on Youtube, on similar setups it just works for lots of people.
Also, while VMs not work, looks like there is no problem for LXC containers. I created a couple and they work flawlessly in bridge mode.
