Date: Sun, 4 Mar 2007 09:10:13 +0300 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-net@freebsd.org, Bruce M Simpson <bms@incunabulum.net> Subject: Re: CARP behaviour Message-ID: <20070304061012.GF40430@comp.chem.msu.su> In-Reply-To: <45E9FA3C.5030404@freebsd.org> References: <45E8BB39.9030602@incunabulum.net> <20070303213406.GA40430@comp.chem.msu.su> <45E9FA3C.5030404@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Mar 03, 2007 at 11:44:12PM +0100, Andre Oppermann wrote: > Yar Tikhiy wrote: > >On Sat, Mar 03, 2007 at 12:03:05AM +0000, Bruce M Simpson wrote: > >>During testing of M_PROMISC I noticed a couple of issues with our CARP. > >> > >>1. carp doesn't seem to maintain input/output statistics on its ifnet. > > > >This should be OK. A carp(4) interface is just a place for CARP > >settings to live. No real traffic passes through it. > > > >>2. carp doesn't seem to detect that the underlying route to the subnet > >> its address is exposed on changed to another interface. > > > >I seem to recollect that I ran into this issue, too. Of course, > >it's a bug. CARP apparently caches the old route forever. It > >should track such a change if it doesn't yet. We have a sort of > >notification for the event, don't we? The userland has the routing > >socket for that, but I don't remember about the kernel. > > We shouldn't cache route pointers anywhere anymore. It has been completely > removed from the PCBs and things like gif and others. Sounds like a good way to go, too! :-) Thanks! -- Yar
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070304061012.GF40430>