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Message #144610
[Bug 1402763] Re: Multicast traffic not propating correctly over linux bridge
** No longer affects: lxc (Ubuntu)
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https://bugs.launchpad.net/bugs/1402763
Title:
Multicast traffic not propating correctly over linux bridge
Status in juju-core:
Triaged
Status in linux package in Ubuntu:
Confirmed
Bug description:
There's a lot of supposition in the title of this bug but its
currently my best guess.
In this deployment, I have a number of services running in LXC
containers across multiple physical hosts; each service is clustered
across three units, all on separate physical hosts, using corosync and
pacemaker; when using multicast to support cluster communication, I
occasionally see a container drop out of the cluster and use its
isolation response (to shutdown all managed services); when using
unicast I've not yet see this same problem.
LXC containers are bridged to the main physical network using a linux
bridge:
eth0 <-> juju-br0 <-> vethXXX <-> | vethXXX |
All MTU's are standard (1500).
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lxc 1.0.6-0ubuntu0.1
ProcVersionSignature: User Name 3.13.0-40.69-generic 3.13.11.10
Uname: Linux 3.13.0-40-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
Date: Mon Dec 15 17:20:08 2014
ProcEnviron:
TERM=screen-bce
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lxc
UpgradeStatus: No upgrade log present (probably fresh install)
defaults.conf:
lxc.network.type = veth
lxc.network.link = lxcbr0
lxc.network.flags = up
lxc.network.hwaddr = 00:16:3e:xx:xx:xx
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Dec 17 10:16 seq
crw-rw---- 1 root audio 116, 33 Dec 17 10:16 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 14.04
IwConfig: Error: [Errno 2] No such file or directory
MachineType: Dell Inc. PowerEdge R610
Package: lxc 1.0.6-0ubuntu0.1
PackageArchitecture: amd64
PciMultimedia:
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=5a86874d-8bbd-4e7a-b73e-17c914de390b ro
ProcEnviron:
TERM=screen-bce
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=5a86874d-8bbd-4e7a-b73e-17c914de390b ro
ProcVersionSignature: User Name 3.13.0-43.72-generic 3.13.11.11
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty uec-images trusty uec-images apparmor
Uname: Linux 3.13.0-43-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip floppy libvirtd netdev plugdev sudo video
_MarkForUpload: True
defaults.conf:
lxc.network.type = veth
lxc.network.link = lxcbr0
lxc.network.flags = up
lxc.network.hwaddr = 00:16:3e:xx:xx:xx
dmi.bios.date: 08/18/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 6.0.7
dmi.board.name: 0F0XJ6
dmi.board.vendor: Dell Inc.
dmi.board.version: A11
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr6.0.7:bd08/18/2011:svnDellInc.:pnPowerEdgeR610:pvr:rvnDellInc.:rn0F0XJ6:rvrA11:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R610
dmi.sys.vendor: Dell Inc.
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