发明授权
US08902730B2 Redundant pseudowires for border gateway patrol-based virtual private local area network service multi-homing environments 有权
用于边界网关巡检的虚拟专用局域网服务多归属环境的冗余伪线

Redundant pseudowires for border gateway patrol-based virtual private local area network service multi-homing environments
摘要:
A method performed by a provider edge device includes generating pseudo-wire tables based on virtual private local area network service advertisements from other provider edge devices, where the provider edge device services customer edge devices, and establishing pseudo-wires with respect to the other provider edge devices, based on the pseudo-wire tables, where the pseudo-wires include an active pseudo-wire and at least one standby pseudo-wire with respect to each of the other provider edge devices. The method also includes generating and advertising VPLS advertisement to the other provider edge devices, detecting a communication link failure associated with one of the customer edge devices in which the provider edge device services, and determining whether the at least one standby pseudo-wire needs to be utilized because of the communication link failure.
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