Date: Mon, 18 May 1998 15:31:15 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: Karl Pielorz <kpielorz@tdx.co.uk> Cc: questions@FreeBSD.ORG Subject: Re: ARP's - Overriden even if marked 'permanent'? Message-ID: <Pine.BSF.3.96.980518153028.9951z-100000@gdi.uoregon.edu> In-Reply-To: <355F5FED.1C49CE2E@tdx.co.uk>
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On Sun, 17 May 1998, Karl Pielorz wrote: > Does FreeBSD honour the 'permanent' flag of ARP's/IP addresses? > > Recently I've locked down some ARP's on my FreeBSD box, then I changed the > network card in my PC... > > e.g. > > arp -S 192.168.100.1 00:c0:23:43:f4:02 > > My PC with it's new network card would work 'most' the time - and I'd see > kernel errors about 'arp moved from address xx.xx.xx.xx to yy.yy.yy.yy' etc. > - Then I realised I'd made the ARP permanent on the FreeBSD box - so surely > it should have ignored my PC (with it's new network card) completely? I don't think so. ARP is sort of arbitrary anyway, if it gets new information it'll overwrite it. It's `permanent' in the sense that it won't expire it from the ARP cache and do ARP queries. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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