Date: Thu, 09 Feb 2006 17:25:56 +0100 From: =?ISO-8859-1?Q?Sten_Daniel_S=F8rsdal?= <lists@wm-access.no> To: Vitaliy Ovsyannikov <V.Ovsyannikov@kr.ru> Cc: freebsd-net@freebsd.org Subject: Re: incomplete+permanent arp entries Message-ID: <43EB6D14.2070107@wm-access.no> In-Reply-To: <176144277.20060209173923@kr.ru> References: <176144277.20060209173923@kr.ru>
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[-- Attachment #1 --] Vitaliy Ovsyannikov wrote: > Hello, freebsd-net. > > I've noticed what it is possible to make incomplete+permanent > entries in kernel arp table. > > xx# arp -s 1.2.3.4 pub > arp: invalid Ethernet address 'pub' > > # arp 1.2.3.4 > 1.2.3.4 (1.2.3.4) at (incomplete) on vlan1 permanent [vlan] > > In result of it's permanent entry, kernel doesn't listening for > arp-replies for this host. > > My question is simple: is it bug or feature? > I think i understand why you ask though, the answer could easily go both ways. But my conclussion was that, to me, the man page and the error message indicates it is a bug. By that i mean that arp reports the ethernet address to be invalid but it still performs the task as if the ethernet address was valid and no synopsis written for this case. I'd go with bug and say that the same application can be done with 'route -blackhole -host 1.2.3.4 127.0.0.1' or something similar. If it turns out to be the right thing to do then perhaps you would be so kind as to sendbug(1) it? -- Sten Daniel Sørsdal [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFD620YMvOF8Nb1apsRAlmIAJ0dke4nwT64Hi8MzGIODJxHE/yJiwCfcu1C vlnsFG9rh1XL2hq0g7JBgvk= =JK+P -----END PGP SIGNATURE-----
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