On Fri, Jun 15, 2012 at 07:54:52PM +0200, sth...@nethelp.no typed: > > Perhaps you can ask the very same question in another way so its easier > > to understand why you losing packets? All in all I always thought TCP/IP > > was the basic unit in Internet based networking but feel free to correct > > me if you have any news I might have missed... :) > > This is an old and well known problem, with no solution as of today > (unless you want to run quagga/zebra or similar). > > With Cisco and Juniper (and probably lots of other big name) routers, > if I create a static route pointing to a next hop on one interface, > and the interface goes down (e.g. Ethernet cable is unplugged), > > 1. the static route is removed from the routing table. > > But then, when the interface later comes back up > > 2. the static route is reinstalled in the routing table. > > With FreeBSD point 1 above happens, but not point 2. > > I would love to have the functionality where FreeBSD would reinstall > the route as in point 2 above. I think this is definitely the least > surprising behavior (POLA), and should happen even without running an > explicit routing system like quagga.
This can be quite easily programmed with kqueue, use EVFILT_NETDEV for notices of interface up/down events and adjust the routing table accordingly. Big chance Cisco and Juniper are doing something similar. -- Ruben _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"