Date: Thu, 08 Jan 2015 15:35:06 +0300 From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: Przemyslaw Frasunek <przemyslaw@frasunek.com>, freebsd-net@freebsd.org Subject: Re: Corrupted IPv6 routing table Message-ID: <54AE797A.2050209@FreeBSD.org> In-Reply-To: <54ADBDDC.3040901@frasunek.com> References: <54ADBDDC.3040901@frasunek.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 08.01.2015 02:14, Przemyslaw Frasunek wrote: > Dear all, > > We are running FreeBSD 9.2-RELEASE-p3 on few PPPoE access servers, each > servicing about 1000 customers. Each server exchanges customers' /32 (for IPv4) > and /64 (for IPv6) routes using OSPF and BIRD. > > Few times in a month, we are experiencing routing table corruption, which causes > spurious IPv6 routes appearing with prefixlen 0: > > # netstat -nr -f inet6 | grep "/\0" > 2a02:2928:6:989e::/0 fe80::21e:67ff:fe02:e82b%vlan0 UG1 vlan0 > 2a02:2928:6:989f::/0 fe80::21e:67ff:fe02:e82b%vlan0 UG1 vlan0 > > It is impossible to delete such routes and they override default route, making > IPv6 networking nonfunctional. They definitely does not originate from OSPF, as > there is an export filter which denies prefixlen < 32. > > Has anyone seen this before? Fixed in 9 by r257389 (So you should try either stable or 10.x). > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?54AE797A.2050209>