Date: Wed, 9 Mar 2005 17:22:43 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: =?iso-8859-1?Q?Jos=E9_Mar=EDa_Gonz=E1lez?= <chema@cs.berkeley.edu> Cc: freebsd-net@freebsd.org Subject: Re: Creating Multiple Discard Interfaces Message-ID: <20050310012243.GA26861@odin.ac.hmc.edu> In-Reply-To: <20050310001825.GA320@cs.berkeley.edu> References: <20050310001825.GA320@cs.berkeley.edu>
index | next in thread | previous in thread | raw e-mail
[-- Attachment #1 --] On Wed, Mar 09, 2005 at 04:18:25PM -0800, José María González wrote: > Hi, > > I'm trying to create several discard interfaces on 4.9-RELEASE, and I'm > having 2 problems. This is what I see (comments started by //): > > # ifconfig -a > de0: ... > lo0: ... > // these are my original interfaces > > # kldload if_disc > > # ifconfig -a > de0: ... > lo0: ... > ds0: flags=8008<LOOPBACK,MULTICAST> mtu 65532 > // surprisingly enough, just loading the if_disc kernel module creates > // the ds0 interface for me. Well, I can live with that. > > # ifconfig ds0 create > ifconfig: SIOCIFCREATE: Invalid argument > # ifconfig disc0 create > ifconfig: SIOCIFCREATE: Invalid argument > // This makes sens, as the ds0 interface is already created > > # ifconfig ds1 create > ifconfig: SIOCIFCREATE: Invalid argument > # ifconfig disc1 create > ifconfig: SIOCIFCREATE: Invalid argument > // 1st problem: How do I create ds1, ds2, etc.? > > > // Now I want to get rid of the if_disc module > # ifconfig ds0 down > # ifconfig ds0 destroy > ifconfig: SIOCIFDESTROY: Invalid argument > #ifconfig disc0 destroy > ifconfig: interface disc0 does not exist > # kldunload -v -i 4 > Unloading if_disc.ko, id=4 > kldunload: can't unload file: Invalid argument > // 2nd problem: How do I get rid of the if_disc module? The discard module is not unloadable or clonable before 5.0. You need to upgrade to 5.3+ or statically compile in the discard device with an appropriate count. -- Brooks -- Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCL6FjXY6L6fI4GtQRAi5lAKCazW5mF9+vCiKx3UjUkQ4Pzg10YQCgxeQC 7KmhFZh3/slnrZntDFVdShk= =bI+w -----END PGP SIGNATURE-----help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050310012243.GA26861>