Jean-Michel Hautbois
2010-Jan-13 10:29 UTC
[Bridge] Re :Re: Re :Re: Bridging LACP (802.3ad) frames not working
2010/1/13 Stephen Hemminger <shemminger at vyatta.com>:> On Tue, 12 Jan 2010 17:04:48 -0500 > Ross Vandegrift <ross at kallisti.us> wrote: > >> On Tue, Jan 12, 2010 at 09:40:30PM +0000, jhautbois at gmail.com wrote: >> > This is exactly the problem. >> > But, sounds like it is not possible... ? >> >> You could run a custom version of the bridge driver to enable bridging >> of frames sent to the bridge-management MAC addresses. ?Some folks >> have talked about doing similar things to enable bridging of STP. >> >> Doing that with STP makes a bit more sense to me (since there are >> valid networks that could be constructed that way). ?But you'll be >> breaking a pretty fundamental assumption of LACP.... > > Recent kernels will forward link local frames as long as STP is disabled. > Older kernels will not. > > The assumption is that if STP is enabled, then it will be managing > control plane.Well, I have a 2.6.31 kernel. And LACP is not forwarded, even when STP is disabled. I don't understand what you mean ? JM
Stephen Hemminger
2010-Jan-13 16:30 UTC
[Bridge] Re :Re: Re :Re: Bridging LACP (802.3ad) frames not working
On Wed, 13 Jan 2010 11:29:55 +0100 Jean-Michel Hautbois <jhautbois at gmail.com> wrote:> 2010/1/13 Stephen Hemminger <shemminger at vyatta.com>: > > On Tue, 12 Jan 2010 17:04:48 -0500 > > Ross Vandegrift <ross at kallisti.us> wrote: > > > >> On Tue, Jan 12, 2010 at 09:40:30PM +0000, jhautbois at gmail.com wrote: > >> > This is exactly the problem. > >> > But, sounds like it is not possible... ? > >> > >> You could run a custom version of the bridge driver to enable bridging > >> of frames sent to the bridge-management MAC addresses. ?Some folks > >> have talked about doing similar things to enable bridging of STP. > >> > >> Doing that with STP makes a bit more sense to me (since there are > >> valid networks that could be constructed that way). ?But you'll be > >> breaking a pretty fundamental assumption of LACP.... > > > > Recent kernels will forward link local frames as long as STP is disabled. > > Older kernels will not. > > > > The assumption is that if STP is enabled, then it will be managing > > control plane. > > Well, I have a 2.6.31 kernel. And LACP is not forwarded, even when STP > is disabled. > I don't understand what you mean ?I meant they get processed locally, before that they were dropped. The best solution is to write an ebtables rule to forward them.