From: Stephen Hemminger <shemminger@vyatta.com>
To: Karl Hiramoto <karl@hiramoto.org>
Cc: netdev@vger.kernel.org
Subject: Re: loosing connections on bridge topology changes
Date: Wed, 13 May 2009 10:44:49 -0700 [thread overview]
Message-ID: <20090513104449.49b1df6a@nehalam> (raw)
In-Reply-To: <4A0AE3A5.20100@hiramoto.org>
On Wed, 13 May 2009 17:13:41 +0200
Karl Hiramoto <karl@hiramoto.org> wrote:
>
> Hi,
>
> I have a user space application, that puts eth0 into bridge br0. At
> this moment all connections seem frozen. Telnet, HTTP, and NFS.
>
> For development i have nfs root fs.
>
> There is a ioctl() that does the equivalent of "brctl addif br0 eth0"
>
> That cuts all the connections for a few seconds.
>
> nfs: server 192.168.10.51 not responding, still trying
> br0: topology change detected, propagating
> br0: port 1(eth0) entering forwarding state
> nfs: server 192.168.10.51 not responding, still trying
> nfs: server 192.168.10.51 OK
> nfs: server 192.168.10.51 OK
>
>
> Then everything is OK..
>
> Is there anyway i can fix this, so my applicaion goes ahead at full speed?
>
>
> using libnl i tried flushing the ARP cache on all devices, but it didn't
> seem to help.
>
>
> Thanks
> --
>
> Karl.
turn off forwarding delay (unless you are using STP).
brctl setfd br0 0
--
prev parent reply other threads:[~2009-05-13 17:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-13 15:13 loosing connections on bridge topology changes Karl Hiramoto
2009-05-13 17:44 ` Stephen Hemminger [this message]
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