Date: Tue, 16 May 1995 12:09:05 -0400 (EDT) From: John Capo <jc@irbs.com> To: graichen@sirius.physik.fu-berlin.de (Thomas Graichen) Cc: freebsd-hackers@freefall.cdrom.com (freebsd-hackers) Subject: Re: "arp info overwritten" problem Message-ID: <199505161609.MAA02043@irbs.irbs.com> In-Reply-To: <9505161422.AA16140@sirius.physik.fu-berlin.de> from "Thomas Graichen" at May 16, 95 04:22:44 pm
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Thomas Graichen writes: > > hello > > again a problem: > > here i often get the "arp info overwritten for 130.133.255.255 from ..." - > aroud every 1/4 i get this and i think it's because FreeBSD keeps the > broadcast adress in his arp cache -> arp -a looks like: > > graichen@julia:~> arp -a > di_2_zedat.zedat.fu-berlin.de (130.133.1.31) at 8:0:25:20:2:c6 > fub46.zedat.fu-berlin.de (130.133.1.46) at 0:0:77:2:11:50 > axp1.physik.fu-berlin.de (130.133.3.45) at 8:0:2b:3e:d8:94 > axp3.physik.fu-berlin.de (130.133.3.48) at 8:0:2b:3c:58:ae > omega.physik.fu-berlin.de (130.133.3.51) at 8:0:2b:33:8f:8d > sirius.physik.fu-berlin.de (130.133.3.140) at 8:0:2b:3b:dd:78 > lucy.physik.fu-berlin.de (130.133.3.186) at 0:0:c0:a2:40:6a > julia.physik.fu-berlin.de (130.133.3.235) at 0:0:c0:7c:79:a4 permanent > leibniz.math.fu-berlin.de (130.133.4.10) at 8:0:20:c:29:d1 > heiss.router.fu-berlin.de (130.133.97.5) at 0:0:c:15:e7:fd > lion.chemie.fu-berlin.de (130.133.210.165) at 8:0:9:28:3:f > BROADCAST.fu-berlin.de (130.133.255.255) at 8:0:14:15:16:78 > graichen@julia:~> > > i think the last entry should not be there (BROADCAST.fu-berlin.de) is only an > entry in the nameserver for the broadcast-adress - it's not a machine) - i > think there seems to be something worng with the arp cache - if you need any > more info - please mail me - the system is correctly configured and the > network too - t BROADCAST.fu-berlin.de is a machine, it has an A record. [ns.nic.de] fu-berlin.de. SOA fub46.zedat.fu-berlin.de hostmaster.zedat. fu-berlin.de. (20000769 10800 3600 432000 86400) ... physiologie CNAME vaxser.grumed.fu-berlin.de BROADCAST A 130.133.255.255 ... I have a route to it. irbs 2% netstat -ra Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default popeye.davsys.com UGc 6 10835 tun0 localhost localhost UH 1 470 lo0 ... phakir.zedat.fu- popeye.davsys.com UGHW3 0 10836 tun0 263 BROADCAST.fu-ber popeye.davsys.com UGHW3 0 10837 tun0 288 ... I am not a DNS expert but I would bet money this A record is bogus and should be deleted. Its not a FreeBSD problem. John Capo
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