Creating Multiple Discard Interfaces
Brooks Davis
brooks at one-eyed-alien.net
Wed Mar 9 17:22:45 PST 2005
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
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