| 摘要 |
An apparatus and method of replacing a router in a Layer 3 network, includes configuring a new router to accept a data packet having, as a destination address field, a first media access control address of a replaced router. The method further comprises setting the destination address field of the data packet to the MAC address of the new router, and forwarding the data packet. A router performing the above method comprises configuration logic to configure the router to accept a data packet having, as a destination address, a media access control address of a replaced L3 device; and keep-alive logic adapted to periodically transmit a keep-alive packet to an allocated destination address. The router further comprises packet processing logic that accepts the received data packet, sets the destination address of the data packet to the MAC address associated with the router, and forwards the packet to a destination host.
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