[j-nsp] QoS EXP Value issue

[Farhat Abbasse]

Hi Expert,
 
No one can help in this request ?
 
 
thanks for your Support.
 
 

 
> From: ab_ferhat80 at hotmail.co.uk
> To: juniper-nsp at puck.nether.net
> Date: Tue, 21 May 2013 19:05:43 +0200
> Subject: [j-nsp] QoS EXP Value issue
> 
>  
> 
> 
> 
> Hi Expert,
> 
> 
>  I am working on a CSC project, where 8 Queues QoS
> model is implemented in the Customer Carrier and 4 Queues QoS model is
> implemented in the Backbone Carrier.  After doing some tests, we have noticed that
> when a rewrite is applied at the Carrier Backbone, the EXP bit value is altered
> for the two top labels hence the EXP value is lost when getting the packet at
> the other end of the Customer Carrier.
> 
> I would like to know if there is a way to preserve the
> EXP bit value (tunnel configuration or something) when the traffic is going
> through the Carrier Backbone; or read the bottom label EXP bit (Customer VPN
> label which wasn’t altered)  at the
> Customer Carrier.
> 
>  
> 
> Thanks in advance for your support and if more details
> are needed, please let me know. 		 	   		  
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