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Message-ID: <54ED5DCB.6020702@windriver.com> Date: Wed, 25 Feb 2015 13:29:47 +0800 From: yzhu1 <Yanjun.Zhu@...driver.com> To: David Ahern <dsahern@...il.com>, Stephen Hemminger <stephen@...workplumber.org> CC: netdev <netdev@...r.kernel.org>, "Wu, Kuaikuai" <Kuaikuai.Wu@...driver.com>, "Tao, Yue" <Yue.Tao@...driver.com> Subject: Re: If bridge have no sub-interfaces, it's status may be still with 'RUNNING' On 02/25/2015 12:23 PM, David Ahern wrote: > On 2/24/15 7:55 PM, yzhu1 wrote: >> Hi, Stephen && David >> >> Any update? > > As I mentioned in my last response I see no problem with the existing > behavior -- 3.18, 3.19 and 4.0-rc1. With all of them the bridge stays > in the running state after all interfaces are removed. > > David > > > Hi, David I made tests on kernel 3.19-rc7. 1. brctl addbr br0 2. ifconfig br0 up 3. ifconfig br0 (br0's status is with 'RUNNING') br0 Link encap:Ethernet HWaddr 0a:70:0b:06:34:8f inet6 addr: fe80::870:bff:fe06:348f/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:16 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:5054 (5.0 KB) 4. brctl addif br0 eth1 5. brctl delif br0 eth1 6. ifconfig br0 (br0's status is without 'RUNNING') br0 Link encap:Ethernet HWaddr 00:00:00:00:00:00 inet6 addr: fe80::870:bff:fe06:348f/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:328 errors:0 dropped:5 overruns:0 frame:0 TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:39997 (39.9 KB) TX bytes:5760 (5.7 KB) Please compare with the outputs of step 3 and step 6, we can find the difference. uname: Linux wind-virtual-machine 3.19.0-rc7 #2 SMP Wed Jan 28 18:36:44 CST 2015 x86_64 x86_64 x86_64 GNU/Linux So I think we should apply the latest patch to make consistent. Any reply is appreciated. Zhu Yanjun -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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