Date: 02 Jan 2003 18:26:12 +0300 From: "Vladimir B. " Grebenschikov <vova@express.ru> To: Fernando Schapachnik <fernando@mecon.gov.ar> Cc: freebsd-net@freebsd.org Subject: Re: Routing and Zebra Message-ID: <1041521170.2104.2.camel@vbook.fbsd.ru> In-Reply-To: <20030102144911.GG250@bal740r0.mecon.gov.ar> References: <20030102144911.GG250@bal740r0.mecon.gov.ar>
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χ Thu, 02.01.2003, Χ 17:49, Fernando Schapachnik ΞΑΠΙΣΑΜ: > Hi, > First of all, forgive me if my question is off-topic. I could have > tried -questions but was afraid that is was kind of very specific. > > To the point: Two machines running 4.7, A and B, connected to the same > switch. Both running zebra. When A is turned off, B receives A's traffic > (which is normal as the switch needs to flood packets after a while): > > TCPdump on B: > > Source MAC: a router's MAC (on the same LAN) > Dest. MAC: A's MAC > Source IP: someplace in the net > Dest. IP: A's IP > > To my surprise B tries to forwards the packet to A, which AFAIK > shouldn't because it doesn't have the right destination MAC. Of course there is > no VRRP or anything else. > > Is this a known behavior? Would it be Zebra? > > Thanks in advance for any help! There was bug in zebra, it allows promosq. mode on interface so host begin catch all traffic as its own. (You can check this by ifconfig) This was fixed 2002/10/07. > Fernando. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message -- Vladimir B. Grebenschikov <vova@express.ru> TSB "Russian Express" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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