A kind of method, it is arranged to utilize the linker and user terminal being mounted on the router for routing packet in the communication network based on point-to-point protocol, its respond from corresponding user terminal Ethernet packet in, PPPoE agreements by it is encapsulated in state. A kind of method, for routing packet in the communication network based on point-to-point protocol, comprising the following steps: receive (S20) Ethernet packet from user terminal; It identifies (S21), if point-to-point protocol over Ethernet (PPPoE) agreement is by the encapsulated Ethernet packet being received in entrance; Routing (S24-S26) has the Internet network, passes through the encapsulated Ethernet protocol for entering the Ethernet packet being contained in the reaction to PPPoE agreements in PPP agreements; The transmission (S23) of bridge base in bypass it is encapsulated in Ethernet packet it is encapsulated in Ethernet packet to PPPoE agreements; Pass through the destination address of the encapsulated Ethernet packet being received in request comment (RFC) 1483 agreement as the Internet network routing (S24-S26) after the destination address for the Ethernet packet that bridge identification is received.
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