Re: [Xen-users] Re: problems with xen installation

[Anand <xen.mails@xxxxxxxxx>]

Dear Andy,

Thanks for the reply.

>As you noted the vif name will change every time a domain is
>restarted.  In Xen 2.x you can use the vifname config directive to
>hardcode vif names per domain.  You can also do this in 
3.0 if you
>use a snapshot of -unstable that has this functionality (apologies,
>I do not know exactly when it was (re)added).

Thanks, thats indeed excellent news. May i ask is the snapshot stable enough to use on the production box (sorry if it sounds a stupid question to you). I am using 
3.0 stable rpm from xensource on centos 4.1 right now.

>You can measure the bandwidth use of the vif interfaces in dom0,
>either by parsing /proc/net/devices periodically or by polling SNMP.

This will give the problem of the vifname changing everytime and hence loosing track of the vif to whom the bandwidth should be accounted to.

>Finally you could also use iptables in dom0 and the physdev module
>to add rules for traffic going in/out particular vifs, and poll its
>counters to measure bandwidth.

Is it possible for you to direct me to some examples ? It will really help.

regards,

Anand
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