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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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig493086D4A8DE570B46823556 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Vitaliy Ovsyannikov wrote: > Hello, freebsd-net. >=20 > I've noticed what it is possible to make incomplete+permanent > entries in kernel arp table. >=20 > xx# arp -s 1.2.3.4 pub > arp: invalid Ethernet address 'pub' >=20 > # arp 1.2.3.4 > 1.2.3.4 (1.2.3.4) at (incomplete) on vlan1 permanent [vlan] >=20 > In result of it's permanent entry, kernel doesn't listening for > arp-replies for this host. >=20 > My question is simple: is it bug or feature? >=20 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=20 indicates it is a bug. By that i mean that arp reports the ethernet=20 address to be invalid but it still performs the task as if the ethernet=20 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=20 -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? --=20 Sten Daniel S=F8rsdal --------------enig493086D4A8DE570B46823556 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----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----- --------------enig493086D4A8DE570B46823556--
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