Apparatus and method for unilateral topology discovery in...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive

Reexamination Certificate

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Reexamination Certificate

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07957415

ABSTRACT:
A system for reducing the cost of network management by using a proxy agent and subchannel communications so fewer SNMP licenses and fewer protocol stacks are needed. Subchannel communication is achieved in a plurality of different embodiments. Embodiments having single subchannel transceivers, multiple transceivers, single multiplexer and multiple multiplexers are disclosed. An NMS process using routing table CRC to automatically detect when the NMS topology information is incorrect and automated topology discovery is disclosed. A process for automated discovery of redundant cables during automated topology discovery is disclosed.

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