[Bug 1218442] Re: IPv6 addresses are lost when an interface is shortly down
Thomas Dreibholz
dreibh at iem.uni-due.de
Thu Aug 29 15:08:15 UTC 2013
I have also deinstalled the unnecessary network-manager and avahi-daemon
packages, in order to make sure that they do not interfere with
ifupdown. But no change.
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https://bugs.launchpad.net/bugs/1218442
Title:
IPv6 addresses are lost when an interface is shortly down
Status in “ifupdown” package in Ubuntu:
New
Bug description:
/etc/network/interfaces has been configured with IPv4 and IPv6
addresses on an interface. There are two networks each:
$ ip -4 addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
inet 10.1.1.51/24 brd 10.1.1.255 scope global eth0
inet 10.2.1.51/24 brd 10.2.1.255 scope global eth0
$ ip -6 addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 xxxx:yyyy:zzzz:201::33/64 scope global
valid_lft forever preferred_lft forever
inet6 xxxx:yyyy:zzzz:101::33/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::aaaa:aaff:febb:ccdd/64 scope link
valid_lft forever preferred_lft forever
(Global addresses and MAC address anonymized)
Both are configured within "manual" entries in
/etc/network/interfaces.
When I turn down eth0 and bring it up again, the result is:
$ ip -4 addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
inet 10.1.1.51/24 brd 10.1.1.255 scope global eth0
inet 10.2.1.51/24 brd 10.2.1.255 scope global eth0
$ ip -6 addr show dev eth0
2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 fe80::aaaa:aaff:febb:ccdd/64 scope link
valid_lft forever preferred_lft forever
That is, the global IPv6 addresses are lost.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ifupdown 0.7.5ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
Date: Thu Aug 29 16:28:46 2013
InstallationDate: Installed on 2013-08-14 (14 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: ifupdown
UpgradeStatus: No upgrade log present (probably fresh install)
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