Date: Mon, 11 Apr 2005 08:25:48 +0200 From: Uwe Doering <gemini@geminix.org> To: Sergey Matveychuk <sem@FreeBSD.org> Cc: net@FreeBSD.org Subject: Re: route entries after ICMP redirect Message-ID: <425A186C.8050005@geminix.org> In-Reply-To: <42590AB3.3070106@FreeBSD.org> References: <42590AB3.3070106@FreeBSD.org>
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Sergey Matveychuk wrote: > I've got some problem with route entries that was created after ICMP > redirect messages. They are never expired. > > Our default gateway (it's a HP switch) send ICMP redirect messages if it > see a short path to destination. It's makes it not so overloaded. But > pathes sometime changed. There is no problem with Windows workstations, > they are rebooted daily. But my FreeBSD boxes hold dinamic route entries > forever. > > I've looked through RFCs and Stevens' books and found no answer on what > TTL for this entries. > Now I just add route flush as cron job. But may be there is another way? This has been fixed in CVS in MAIN (rev. 1.52) and MFC'ed to RELENG_4 (rev. 1.37.2.5) and RELENG_5 (rev. 1.51.4.2) a couple of weeks ago: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/in_rmx.c So either syncing to one of these branches or applying the relevant patch manually to your kernel sources ought to solve the problem. Uwe -- Uwe Doering | EscapeBox - Managed On-Demand UNIX Servers gemini@geminix.org | http://www.escapebox.net
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