Subject: Re: IPv4 link-local address and noisy logs
To: None <tech-net@NetBSD.org>
From: Michael Richardson <mcr@sandelman.ottawa.on.ca>
List: tech-net
Date: 08/17/2003 11:20:11
-----BEGIN PGP SIGNED MESSAGE-----


>>>>> "Jun-ichiro" == Jun-ichiro itojun Hagino <itojun@iijlab.net> writes:
    Jun-ichiro> 	when IPv4 DHCP address pool is full, MacOS X/WinXP
    Jun-ichiro> 	machine would use 
    Jun-ichiro> 	IPv4 link-local address (169.254.0.0/16).  if such a
    Jun-ichiro> 	node is present 

  Also, when they can't find a DHCP server...

    Jun-ichiro> 	- should we try to supress the log when my interface
    Jun-ichiro> 	address is not inside of 169.254.0.0/16 range?

  Maybe. A magic number, but maybe worth it.

    Jun-ichiro> 	- should we try to suppress the log when my interface
    Jun-ichiro> 	address is in 169.254.0.0/16 range and we hear ARP
    Jun-ichiro> 	for non link-local address? 

  I'm not sure I understand this.

    Jun-ichiro> arplookup: unable to enter address for
    Jun-ichiro> 169.254.101.211@00:03:93:c3:a7:e0 on aue0 (host is not on
    Jun-ichiro> local network) 

  let me ask a different question - when is this message ever useful to have?

]      Out and about in Ottawa.    hmmm... beer.                |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian/notebook using, kernel hacking, security guy");  [



-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.2 (GNU/Linux)
Comment: Finger me for keys - custom hacks make this fully PGP2 compat

iQCVAwUBPz+dKoqHRg3pndX9AQG3zAP+MAqWLEOJGV6ztf7LNRWFWYU2WtiEOpvB
8TlO+IZWc6ibQeWg23exGH4Q0+1R6XllFUyuxsTVmOBi5jL8tjRBQBHd7aMYrEBD
wPrVPJGt0HEwGtEa33FF4DfeTaz1Jrvrj6gO55Tuz601c34BgBwAkiysxN8BDOc0
kO5UMt5JEs0=
=FNmv
-----END PGP SIGNATURE-----