Public bug reported:
If wifi is connected, the default IPv4 route is always through wifi, no
route through wired connection is set up, even if wired faster, and
connected to the same gw. The default IPv6 route is ok. Tested on a
fresh install, same behavior.
lionel@lionelux:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
group default qlen 1000
link/ether 70:a8:d3:dc:fa:05 brd ff:ff:ff:ff:ff:ff
altname wlp0s20f3
inet 10.0.0.66/24 brd 10.0.0.255 scope global dynamic noprefixroute wlo1
valid_lft 7153sec preferred_lft 7153sec
inet6 2a01:e0a:51a:50d1:c4f5:20d5:51a:3666/64 scope global temporary
dynamic
valid_lft 604755sec preferred_lft 86110sec
inet6 2a01:e0a:51a:50d1:3c79:4f2b:d7f1:a0d/64 scope global mngtmpaddr
noprefixroute
valid_lft forever preferred_lft forever
inet6 fe80::e2e1:a4d7:bb8c:961a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN group default qlen 1000
link/ether 52:54:00:4d:6c:56 brd ff:ff:ff:ff:ff:ff
inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
valid_lft forever preferred_lft forever
9: enx908d6e354c47: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP group default qlen 1000
link/ether 90:8d:6e:35:4c:47 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.65/24 brd 10.0.0.255 scope global dynamic noprefixroute
enx908d6e354c47
valid_lft 7174sec preferred_lft 7174sec
inet6 2a01:e0a:51a:50d1:7c69:4bd8:2924:9ff8/64 scope global temporary
dynamic
valid_lft 604775sec preferred_lft 86178sec
inet6 2a01:e0a:51a:50d1:c87c:7002:3ad2:496e/64 scope global mngtmpaddr
noprefixroute
valid_lft forever preferred_lft forever
inet6 fe80::ba1:bdae:e9c3:f29f/64 scope link noprefixroute
valid_lft forever preferred_lft forever
10: enx186571a0c6a4: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc
pfifo_fast state DOWN group default qlen 1000
link/ether 18:65:71:a0:c6:a4 brd ff:ff:ff:ff:ff:ff
lionel@lionelux:~$ ip route
default via 10.0.0.1 dev wlo1 proto dhcp src 10.0.0.66 metric 600
10.0.0.0/24 dev wlo1 proto kernel scope link src 10.0.0.66 metric 600
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
lionel@lionelux:~$ ip -6 route
2a01:e0a:51a:50d1::/64 dev enx908d6e354c47 proto ra metric 100 pref medium
2a01:e0a:51a:50d1::/64 dev wlo1 proto ra metric 600 pref medium
fe80::/64 dev wlo1 proto kernel metric 1024 pref medium
fe80::/64 dev enx908d6e354c47 proto kernel metric 1024 pref medium
default via fe80::8b6b:4e44:c003:cca6 dev wlo1 proto ra metric 600 pref medium
default via fe80::8b6b:4e44:c003:cca6 dev enx908d6e354c47 proto ra metric 20100
pref medium
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: network-manager 1.46.0-1ubuntu2
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 30 13:09:23 2024
InstallationDate: Installed on 2024-02-09 (81 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
IpRoute:
default via 10.0.0.1 dev enx908d6e354c47 proto dhcp src 10.0.0.65 metric 100
default via 10.0.0.1 dev wlo1 proto dhcp src 10.0.0.66 metric 600
10.0.0.0/24 dev enx908d6e354c47 proto kernel scope link src 10.0.0.65 metric
100
10.0.0.0/24 dev wlo1 proto kernel scope link src 10.0.0.66 metric 600
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
LANG=fr_FR.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
SourcePackage: network-manager
UpgradeStatus: Upgraded to noble on 2024-04-25 (5 days ago)
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2024-02-14T13:52:12.489815
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.46.0 connected started full enabled enabled
enabled missing enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2064277
Title:
NetworkManager, default IPv4 route always through wifi, even if wired
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