Once you encapsulate VoIP in PPPoE then QoS is unavailable to any device in the middle; which is where most of the bottlenecks in bandwidth are. So you gain something and lose something more important.

We have moved all of our VOIP subscribers to DHCP w/ VLAN priorities that are mapped to Diffserve and related VoIP priorities however. This cannot be done easily or at all via PPPoE.

-Eric


Smith, Rick wrote:
How so?
-----Original Message-----

We are also in the VOIP arena where PPPoE has failed us. PPPoE
encapsulation will strip most of your QoS. Keep that in mind.

-Eric

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