netdev - Re: Bridging behavior apparently changed around the Fedora 14 time

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Message-ID: <4E1B6826.8090101@candelatech.com>
Date:	Mon, 11 Jul 2011 14:16:22 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	Greg Scott <GregScott@...rasupport.com>, netdev@...r.kernel.org,
	Lynn Hanson <LynnHanson@...anhills.org>,
	Joe Whalen <JoeWhalen@...anhills.org>
Subject: Re: Bridging behavior apparently changed around the Fedora 14 time

On 07/11/2011 02:10 PM, Stephen Hemminger wrote:
> On Mon, 11 Jul 2011 16:08:14 -0500
> "Greg Scott"<GregScott@...rasupport.com>  wrote:
>
>>> What about console dmesg output.
>>
>> I should probably turn off all firewall logging so I don't fill the ring
>> buffer with my log messages in, like, the first couple minutes after a
>> boot.  :)
>>
>>> Please retest with a standard upstream kernel (like 2.6.39.2).
>>
>> That's gonna take a while to put together a whole test environment with
>> the latest kernel.org kernel.
>>
>>> The bridge itself puts the device into promiscuous mode already.
>
> The bridge code calls dev_set_promiscuity() which should
> be changing device mode. But it could be that netdev core is
> resetting/changing/breaking that.

Last time I checked, 'ifconfig' and similar output didn't
show promisc when NIC was actually promisc, unless the user
specified the promisc-ness.

You can read /sys/class/net/dev/eth0/flags and
see if flag 0x100 is set..if so, it's promisc.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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