Public bug reported:
Ubuntu: 18.04.3 LTS bionic
Kernel: 4.15.0-70-generic
1. configure network bridge with brctl with following commands and all
works fine:
sudo brctl addbr br-ex
sudo brctl addif br-ex enp0s3
sudo ip link set mtu 1500 dev br-ex
sudo ip addr del 10.64.10.100/24 brd 10.64.10.255 dev enp0s3
sudo ip addr replace 10.64.10.100/24 brd 10.64.10.255 dev br-ex
sudo ip link set br-ex up
sudo ip -f inet r replace default via 10.64.10.1 dev br-ex
2. configure the same network bridge with netplan and NetworkManager as
renderer with following config all works fine:
network:
version: 2
renderer: NetworkManager
ethernets:
enp0s3:
dhcp4: no
dhcp6: no
bridges:
br-ex:
interfaces: [enp0s3]
addresses: [10.64.10.100/24]
gateway4: 10.64.10.1
mtu: 1500
nameservers:
addresses: [8.8.8.8]
dhcp4: no
dhcp6: no
parameters:
stp: no
3. Configure network bridge with same config but with networkd as network
renderer does not work
networkctl - shows that interfaces are managed by networkd and its ok
ip a - shows proper bridge configuration and ip address assignment
ip route - shows proper route via 10.64.10.1 and br-ex dev
No any error messages in systemd-networkd service log
But network don't work
I can't ping external hosts from this machine or ping this machine from
external host
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
dhcp6: no
bridges:
br-ex:
interfaces: [enp0s3]
addresses: [10.64.10.100/24]
gateway4: 10.64.10.1
mtu: 1500
nameservers:
addresses: [8.8.8.8]
dhcp4: no
dhcp6: no
parameters:
stp: no
Can it be that i mislead some required by networkd configuration parameter?
Or may be networkd does not set some kernel parameter which brctl and
NetworkManager does?
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: netplan networkd systemd-networkd
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https://bugs.launchpad.net/bugs/1860781
Title:
netplan networkd - bridge configuration not work
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