Michael H. Warfield wrote: > On Thu, 2010-02-11 at 21:58 +0100, Daniel Lezcano wrote: >> Michael B. Trausch wrote: >>> On 02/11/2010 03:46 AM, Daniel Lezcano wrote: >>>> If you do not set a mac address in the container configuration file, the >>>> kernel will choose one for you preventing duplicate mac address on the >>>> host. >>> Will it pick something that is static for each container? I'd like >>> for each of my containers to have stable IPv6 addresses that persist >>> over reboots. >> Ah, ok. That makes sense to specify a mac address. > > Just out of curiousity... What determines the host side of the veth > interfaces. That looks to be a random number.
Yes right. > There's also a problem > with Linux bridges that the mac address of the bridge is assumed to be > the lowest mac address on the bridge (don't ask me why, that's just the > way it is). Oh, good point ! Looking around on internet, it seems some people creates a dummy interface with a lower mac address and assign it to the bridge. brrr ... > If you have your host eth device on that bridge and it's > the bridge mac that is seen on the outside and plays in the IPv6 > autoconf game, you can get some confusion if a random interface added to > the bridge changes the mac address for the hosts address. I ran into > this with OpenVZ and went back and implemented a policy of assigning MAC > addresses with the local bit set and higher than any possible hard eth > attach to the bridge. ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev _______________________________________________ Lxc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lxc-users
