Ross S. W. Walker wrote: >> Since I upgraded from 4.4 to 4.5 my system which has 2 sets >> of ALB bonded interfaces hangs on shutdown while doing an >> ifdown on these interfaces. >> >> Has anyone else seen this issue with 4.5 and bonding? > > I think I found the answer. The new version of bonding has a > bug in it that doesn't restore the original mac addresses on > termination and will leave the mac address on the interface it > was last on. Then, as ifdown is called on each slave it will hit > a slave whose mac address has changed and is a dup of the other > slave and it will hang there. > > For some reason though if I set a programmable mac address not > equal to any installed on the system on the bondX interfaces > it complains the mac has changed, but it doesn't hang, so that > is my interim work-around, set a unique MACADDR= on each bondX > interface. can you report this as an issue at http://bugs.centos.org/ ? - KB -- Karanbir Singh : http://www.karan.org/ : 2522219 at icq