Date: Mon, 20 Mar 2006 04:16:07 -0800 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Ludovit Koren <lk@tempest.sk> Cc: freebsd-net@freebsd.org Subject: Re: static routes Message-ID: <20060320121607.GA7924@flame.pc> In-Reply-To: <20060320.125130.92586288.lk@tempest.sk> References: <20060320.125130.92586288.lk@tempest.sk>
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On 2006-03-20 12:51, Ludovit Koren <lk@tempest.sk> wrote: > > Hi, > > I realized on several different versions of FreeBSD including > 5.4-STABLE, when using static routes to specific subnets and the WAN > link goes down for unpredictable reasons, the server gets ICMP > redirect message and rearranges routes to use default router. Then all > the traffic is routed to the default router even the WAN link is again > up. Other unix like system (HP-UX, Linux) do not act the way, > i.e. they do not change static routes. > > Should not be ignored the ICMP redirect messages concerning static > routes? That depends on what you have configured the system to do. You can set the net.inet.icmp.drop_redirect sysctl to 1 to drop them.
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