Re: promisc mode

Linux Advanced Routing and Traffic Control

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On Wed, 20 Nov 2002, Cristian Ionescu-Idbohrn wrote:

> ip from the latest stable iproute2-2.4.7-now-ss010824 doesn't seem to
> be able to do that. It can do other things like:
> 
>   # ip link set eth0 multicast off
> 
> but not:
> 
>   # ip link set eth0 promisc off
> 
> (as one would expect it to).

As I already mentioned too!

> You'll have to use:
> 
>   # ifconfig eth0 promisc
>   # ifconfig eth0 -promisc

That's my problem. "ifconfig eth0 -promisc" doesn't take the card from
promiscuous mode. (Don't ask why. I really do not know.).
The problem starts when I execute tcpdump with -p (not to promisc)
parameter. The card driver seems not be respecting that and enters promisc
anyway. It only leaves promisc mode if I run tcpdump again entering
promisc mode (without -p).
I was in hope that 'ip' could do that to me (take it from promisc mode).

I read some email in this thread about some iproute2 version executing
'promisc off'. What version could that be? A beta release?

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