IPv6 automatic config mislabeled

Bug #1878677 reported by Kevin Otte
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
subiquity
New
Undecided
Unassigned

Bug Description

In the "Network connections" dialog, select an available interface and select "Edit IPv6".

The "Automatic (DHCP)" option should simply read "Automatic".
Select Save.

The resulting address list states "DHCPv6". This should simply read "v6 Auto", or the correct configuration method should be listed.

The VLAN being tested is using SLAAC for address auto-configuration, not DHCPv6. Incorrectly labeling the configuration method is confusing and may cause problems in troubleshooting.

To be clear, the correct action is being taken when Automatic is selected. My issue is only with the display.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: subiquity (1874)
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.445
CrashDB:
 {
        "impl": "launchpad",
        "project": "subiquity",
        "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml"
     }
Date: Thu May 14 19:15:09 2020
InstallerLog: Error: [Errno 2] No such file or directory: 'logfile'
LiveMediaBuild: Ubuntu-Server 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=vt220
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
SourcePackage: subiquity
Symptom: installer
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Kevin Otte (nivex) wrote :
Revision history for this message
Michael Hudson-Doyle (mwhudson) wrote :

Well this isn't quite right: "Automatic (DHCP)" really does enable DHCP6. But you are right that there is a problem. For IPv6 we should likely offer four options: "Manual", "Automatic (DHCP)", "Automatic (SLAAC)" (would that be the right label?), "Disabled".

Revision history for this message
Kevin Otte (nivex) wrote :

I would simply label it "Automatic". The installer appears to be doing the right thing, which is looking at the A and M flags coming from the router advertisement and doing SLAAC or stateful DHCPv6 respectively. To be fair, I haven't tested the latter. I can spin my second test VLAN back up if we want to be absolutely sure.

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