** Description changed:
[Impact]
Users of netplan may wish to specify a custom MTU value for a device.
[Test case]
- Run nplan integration tests on the release
- Validate that netplan generate && netplan apply alone, without config,
behave as expected (no result)
- Validate that netplan generate && netplan apply with minimal config writes
/run/NetworkManager/conf.d/10-globally-managed-devices.conf
- Validate that netplan generate && netplan apply works with any existing
configuation.
- Use the following config; ensure behavior is as expected (MTU value is set
on the interface; adjust device name as appropriate):
network:
version: 2
ethernets:
eno1:
dhcp4: true
mtu: 1280
-
[Regression potential]
- Any failure to work with existing configuration should be considered a
regression. Any new failure of the test suite would be a regression.
+ Adding the 'mtu' setting on pre-existing valid configuration should not cause
a failure to apply the configuration. Similarly, unchanged existing
configurations should continue to behave as they previously did, with no
changes in MTU values.
---
-
1. root@z1:/etc/netplan# lsb_release -rd
Description: Ubuntu Zesty Zapus (development branch)
Release: 17.04
2. root@z1:/etc/netplan# apt-cache policy nplan
nplan:
Installed: 0.18
Candidate: 0.18
Version table:
*** 0.18 500
500 http://archive.ubuntu.com/ubuntu zesty/main amd64 Packages
100 /var/lib/dpkg/status
3. netplan generate renders a config with MTU setting
4. root@z1:/etc/netplan# netplan generate
Error in network definition //etc/netplan/simple.yaml line 4 column 6:
unknown key mtu
root@z1:/etc/netplan# cat simple.yaml
network:
version: 2
ethernets:
eno1:
dhcp4: true
mtu: 1280
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: nplan 0.18
ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
Date: Tue Feb 28 16:47:13 2017
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
SourcePackage: nplan
UpgradeStatus: No upgrade log present (probably fresh install)
** Also affects: nplan (Ubuntu Zesty)
Importance: Undecided
Status: New
** Also affects: nplan (Ubuntu Yakkety)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1668693
Title:
netplan fails to parse 'mtu' key
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