PPPoE Interfaces

The PPPoE interface to the access concentrator can be a Fast Ethernet interface on any Services Router, a Gigabit Ethernet interface on J4350 and J6350 Services Routers, an ATM-over-ADSL or ATM-over-SHDSL interface on all J-series Services Routers except the J2300, or an ATM-over-SHDSL interface on a J2300 Services Router. The PPPoE configuration is the same for both interfaces. The only difference is the encapsulation for the underlying interface to the access concentrator:

• If the interface is Fast Ethernet, use a PPPoE encapsulation.
• If the interface is ATM over ADSL, use a PPPoE over ATM encapsulation.

The PPPoE interface on the M120 router acting as a access concentrator can be a Gigabit Ethernet or 10-Gigabit Ethernet interface.

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