From: Stephen Hemminger <stephen@networkplumber.org>
To: yzhu1 <Yanjun.Zhu@windriver.com>
Cc: netdev <netdev@vger.kernel.org>,
"Wu, Kuaikuai" <Kuaikuai.Wu@windriver.com>,
"Tao, Yue" <Yue.Tao@windriver.com>
Subject: Re: If bridge have no sub-interfaces, it's status may be still with 'RUNNING'
Date: Fri, 13 Feb 2015 13:30:56 -0500 [thread overview]
Message-ID: <20150213133056.3944c13e@uryu.home.lan> (raw)
In-Reply-To: <54DDCA99.4040401@windriver.com>
On Fri, 13 Feb 2015 17:57:45 +0800
yzhu1 <Yanjun.Zhu@windriver.com> wrote:
> Hi, all
>
> I made this test on ubuntu 14.04 with kernel 3,19-rc7:
>
> 1. brctl addbr br0
>
> 2. ifconfig br0 up
>
> 3. ifconfig br0 (br0's status is with 'RUNNING')
>
> 4. brctl addif br0 eth0
>
> 5. brctl delif br0 eth0
>
> 6. ifconfig br0 (br0's status is without 'RUNNING')
>
> When there is no sub-interface, the flag "RUNNING" is missing after the
> last sub-interface is removed.
>
> As such, should we keep "RUNNING" flag after the last sub-interface is
> removed?
This is intentional. If there are no active ports in bridge, then
we want to tell applications that packets will go nowhere.
next prev parent reply other threads:[~2015-02-13 18:31 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-13 9:57 If bridge have no sub-interfaces, it's status may be still with 'RUNNING' yzhu1
2015-02-13 10:00 ` yzhu1
2015-02-13 18:30 ` Stephen Hemminger [this message]
2015-02-15 7:49 ` Wu, Kuaikuai
2015-02-16 4:55 ` yzhu1
2015-02-16 15:47 ` David Ahern
2015-02-16 16:51 ` Stephen Hemminger
2015-02-17 16:14 ` Zhu, Yanjun
2015-02-25 2:55 ` yzhu1
2015-02-25 4:23 ` David Ahern
2015-02-25 5:29 ` yzhu1
2015-02-16 16:52 ` Stephen Hemminger
2015-03-10 6:07 ` yzhu1
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