Public bug reported:
[Impact]
Xenial users are unable to create vti6 tunnels.
[Test case]
1) Create a vti6 tunnel
sudo ip tunnel add vti0 mode vti6 local :: remote fdd6:bdb4:5614::2 key 54
2) No error should be displayed and "ip link" should show a new device named
"vti0"
The ip tunnel call currently fails with the error 'Unknown tunnel mode
"vti6"' and no tunnel is created.
[Other Info]
vti6 mode is supported according to the man page:
$ man ip-tunnel | grep vti6
MODE := { ipip | gre | sit | isatap | vti | ip6ip6 | ipip6 | ip6gre |
vti6 | any }
Modes for IPv6 encapsulation available: ip6ip6, ipip6,
ip6gre, vti6, and any.
iproute2 4.9.0-1ubuntu2 on *Artful* has no problem creating vti6
tunnels.
$ lsb_release -rd
Description: Ubuntu 16.04.3 LTS
Release: 16.04
$ apt-cache policy iproute2
iproute2:
Installed: 4.3.0-1ubuntu3.16.04.3
Candidate: 4.3.0-1ubuntu3.16.04.3
Version table:
*** 4.3.0-1ubuntu3.16.04.3 500
500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
100 /var/lib/dpkg/status
4.3.0-1ubuntu3.16.04.2 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
4.3.0-1ubuntu3 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: iproute2 4.3.0-1ubuntu3.16.04.3
ProcVersionSignature: Ubuntu 4.4.0-103.126-generic 4.4.98
Uname: Linux 4.4.0-103-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.14
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Dec 9 21:55:27 2017
InstallationDate: Installed on 2016-12-06 (368 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Beta amd64
(20161206)
SourcePackage: iproute2
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.iproute2.rt_tables: [modified]
mtime.conffile..etc.iproute2.rt_tables: 2016-12-21T17:41:32.869321
** Affects: iproute2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed xenial
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https://bugs.launchpad.net/bugs/1737377
Title:
Unknown tunnel mode "vti6"
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