On 2008-10-10, Brian <[EMAIL PROTECTED]> wrote: > Hello, > > After much reading of man pages, FAQs and googling, I have come up > against a dead end. I have a dual redundant CARP setup on 2 sparc64 > boxes running 4.3, with an Ovislink OV303 ADSL bridge for internet > connectivity. All ports are connected to the bridge with a procurve > 1800-24g semi-intelligent switch. > The problems are that the multicast CARP packets are getting forwarded > over the bridge and running up my very limited bandwidth cap (which, of > course, is no one's problem but my own) and more importantly is causing > my ADSL connection to be dropped every 10-15 minutes. The tech at the > ISP diagnosed the problem, and I wouldn't have believed it if I hadn't > verified the behaviour myself. As soon as I disable CARP on the external > interface and the CARP announce packets stop, the connection stays up > for days. With CARP running, I would sometimes be down for hours, with > the ADSL connection going up for a second, and dropping right away. I > tried to do multicast filtering on the ADSL port, but my switch isn't > intelligent enough, and the ADSL device won't filter in bridge mode. The > only thing I could think to do is to put the 2 CARP ports on a seperate > VLAN and route the CARP multicast packets through that, but my attempts > to use pf to rdr the multicast packets to a separate vlan0 interface > have not been successful. > Is there a magical way to resolve my situation without buying a more > expensive switch? I thought it would be worth asking before shutting up > and hacking together a possibly stupid VLAN tagging solution in ip_carp. > Thanks for your patience. > > -Brian Marshall > >
Maybe you can do something with "carppeer". It's described in ifconfig(8). If it works, please share your final config with the list :)
