** Also affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2060778
Title:
netplan, multiple dhcp route with metric failure
Status in Netplan:
New
Status in systemd package in Ubuntu:
New
Bug description:
Hardware/network: PC with single NIC, multiple vlans:
- untagged: default LAN, should be used by the host
- vlan 15: VM network, should only be used by the VM(s) running on the host
Netplan config:
network:
version: 2
renderer: networkd
ethernets:
lan:
match:
macaddress: "XX:XX:XX:XX:XX:XX"
set-name: lan
mtu: 9000
dhcp4: yes
dhcp6: yes
ipv6-privacy: true
bridges:
vm-br0:
dhcp4: yes
interfaces: [vm]
dhcp4-overrides:
route-metric: 200
vlans:
vm:
id: 15
link: lan
(Using networkd as the renderer some apps [App Store, Settings/Online
Accounts,...] thinks I'm offline in ubuntu.)
The main problem is with this setup is that after resume the route metrics
get mixed up, and the host tries to use the VM network as its default route.
Adding a 'dhcp4-overrides: {route-metric: 10}' stanza to LAN - as the netplan
documentation suggests - results in the interfaces not coming up. (Issuing
'netplan try' results in 'Warning: The unit file, source configuration file or
drop-ins of netplan-ovs-cleanup.service changed on disk. Run 'systemctl
daemon-reload' to reload units.'.)
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