Method for monitoring ring network on basis of link layer discovery protocol and device
A link layer discovery and ring network technology, applied in the field of monitoring ring networks based on the link layer discovery protocol, can solve the problems of indistinguishable, inability to pass, discovering redundant links, etc., achieving convenient monitoring and management, and satisfying reliability. effect of demand
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[0063] It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0064] The present invention provides a method for monitoring a ring network based on a link layer discovery protocol, allowing LLDP messages to traverse forbidden ports, thereby transmitting LLDP messages on a main link and a redundant link respectively; in order to avoid LLDP messages on the redundant link Transmission on the road causes a ring network storm. When receiving an LLDP message, perform a ring network storm check. If a storm occurs, discard the message; if the LLDP message can be sent to the processor, update the corresponding LLDP instance according to the LLDP message Corresponding neighbor entries in the neighbor list to realize the neighbor discovery of main link and redundant link; the network management system accesses the neighbor lists of all devices in the management domain through LLDPMIB to ob...
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