Re: CentOS 6 - VM network bridge issue

[Kahlil Hodgson <kahlil.hodgson@xxxxxxxxxxxxxx>]

On 07/19/2011 07:52 PM, Khusro Jaleel wrote:
> A bit of a long shot but does turning on STP on the br* interfaces help? 
> I vaguely remember I had to do the following on one of my machines that 
> uses bonding + bridges:
> 
> # brctl stp br0 on
> 
> I have put this in the machines' /etc/rc.local so it's applied upon 
> every reboot.

I've had to do the same for my Fedora hosts with Centos guests. You can put
	STP=on
in
	/etc/sysconfig/network-scripts/ifcfg-br0

to force this bridge to always use STP.

Also, adding

	NETWORKDELAY=15
to
	/etc/sysconfig/network

will force you network startup script to hang for 15 seconds during
start up.  This gives the STP a chance to settle before any other
services attempt to use the bridge.

Kal
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