| 摘要 |
A provider edge (PE) device, associated with a virtual private local area network service (VPLS) system, receives a first data frame from a source customer edge (CE) device associated with the VPLS system. The PE device further incorporates the first data frame into a first VPLS packet and determines whether the source CE device is a single-homed CE device or a multi-homed CE device. The PE device incorporates, into the first VPLS packet, a first pseudowire label when the source CE device is the single-homed CE device. The PE device incorporates, into the first VPLS packet, a second pseudowire label, when the source CE device is the multi-homed CE device. The second pseudowire label is different from the first pseudowire label.
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