[cisco-bba] PPPoE and QOS for voice traffic

[Dennis Peng]

Do you trust the TOS field in IP packets you receive from your
clients?

Dennis

Eric Helm [helmwork at ruraltel.net] wrote:
> In a PPPoE environment, can QOS aware Layer 2 devices "see" the TOS or 
> DiffServ if it is set in the IP packets? Or will it just see the traffic 
> as Layer 2 traffic and be totally blind of anything IP contained within 
> the PPPoE encapsulation?
> If this cannot be done, what methods are available to prioritize traffic 
> in a PPPoE environment. Specifically, we use DSL and Wireless with PPPoE 
> for customers.
> 
> Thanks,
> Eric
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