Hi, I can say also i faced this problem in 9.1-preRelease. And i'm not using pf, i usyally use ipfw. but i didn't see this happening for a while...
Sami On Mar 5, 2013 7:39 PM, "Nick Rogers" <ncrog...@gmail.com> wrote: > Hello, > > I am attempting to create awareness of a serious issue affecting users > of FreeBSD 9.x and PF. There appears to be a bug that allows the > kernel's routing table to be corrupted by traffic routing through the > system. Under heavy traffic load, the default route can seemingly > randomly change to an IP address that is not directly connected to the > network (i.e., is not configured anywhere). Dhclient is not in the > mix, nor is routed, bgpd, etc. Running `route monitor` shows no > evidence of the change in the default route. The one commonality > between all the systems experiencing this problem seems to be the use > of PF. > > Obviously this is a serious problem as it causes all Internet-bound > traffic to stop routing until the default route is corrected. Some > users, including myself, are working around this problem by installing > a script that runs multiple times a second to check if the default > route is incorrect and fixing it if necessary, which mitigates the > amount of downtime caused by the bug. > > Please refer to these past posts for more examples and evidence of > other users experiencing this problem: > > http://forums.freebsd.org/showthread.php?p=211610#post211610 > > > http://freebsd.1045724.n5.nabble.com/Default-route-quot-random-quot-gateway-modification-bug-td5750820.html > > http://lists.freebsd.org/pipermail/freebsd-net/2012-March/031879.html > > http://lists.freebsd.org/pipermail/freebsd-ipfw/2010-September/004361.html > > There is also a PR that was incorrectly labeled as an IPFW issue. > Myself and others believe this issue is not restricted to the use of > IPFW and that the PR should be relabeled. I am inclined to think it is > strictly a PF issue since I am not using IPFW, however there is > evidence of the default route changing on people using IPFW for past > versions of FreeBSD (7.x/8.x), so perhaps this is related. > > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/174749 > > Another PR for the same problem but specific to IPFW and 8.2-RELEASE > > http://www.freebsd.org/cgi/query-pr.cgi?pr=157796 > > I am hoping someone reading this can give the problem the attention it > deserves. Thank you. > > -Nick > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
