2010/3/6 Henning Brauer <lists-open...@bsws.de>: > of course there are (many) working bgpd + carp setups. > > * ???? ??????? <chipits...@gmail.com> [2010-03-06 15:14]: >> second router learns routes from carp master (since it has no direct >> connection while it is BACKUP), but I only see routes using "bgpctl >> show rib", not using "netstat -rn". also, there's seems to be loop, >> because I see many "icmp dup" while pinging some system. also, when >> BAACKUP becomes MASTER, it drops all the rib and learnes routes from >> uplink.which is very bad. > > the preferred setup is to have one bgp session per carp host to your > upstream, i. e. you had two, and use carp on the inner interface.
is it possible to have carp on both inner and upstream interfaces ? any example configs for that ? > > what you are seeing is kinda expected, the routes are invalid from the > backup host's POV since it does not have a valid route to the nexthop > (this is half guessed since you didn't provide any details) there are static routes to BGP speakers # cat /etc/hostname.carp4 vhid 2 pass xxxx carpdev vlan4 advskew 200 x.x.x.x/29 !/sbin/route add N.N.N.N1/32 x.x.x.x !/sbin/route add N.N.N.N2/32 x.x.x.x well, carp4 is down while the second router is in BACKUP state (and thus I see routes in RIB, but not in FIB ?) I'd expect those routes move to FIB as second router becomes MASTER > > -- > Henning Brauer, h...@bsws.de, henn...@openbsd.org > BS Web Services, http://bsws.de > Full-Service ISP - Secure Hosting, Mail and DNS Services > Dedicated Servers, Rootservers, Application Hosting
