Monitor Mode on Broadcom

Derek Broughton derek at
Thu Mar 19 18:52:47 UTC 2009

Dirk Freitag wrote:

> Hey everyone.  I was curious if maybe someone could help me with my
> broadcom card.  I am trying to enable monitor mode to use with kismet,
> but whenever I try to start kismet I get an error saying that monitor
> mode could not be enabled.  Here is my card as in lspci:
> 05:00.0 "Network controller" "Broadcom Corporation" "BCM4312 802.11b/g"
> -r01 "Broadcom Corporation" "Device 04b5"
> I was curious if there was some way I could force it into monitor mode.

iirc, not all cards are actually _capable_ of monitor mode.  Whether this
would be one of them, I don't know.

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