Patent ID: 9654380
Date: 2017-05-16
CPC Classifications: H04L,Y02D

Claim:
1. A method of using a controller that controls client switches in a network having non-client switches and end hosts that are coupled to the client and non-client switches, wherein the client switches include ports, the method comprising: adding ports to a maintenance queue; periodically selecting some of the ports of the maintenance queue; performing network discovery operations on the selected ports; receiving network packets from the client switches that identify flagged ports to be excluded from network discovery operations, wherein adding ports to the maintenance queue comprises adding non-flagged ports to the maintenance queue; adding the non-flagged ports to a quarantine queue; controlling the client switches to block network traffic at the non-flagged ports of the quarantine queue; periodically selecting some of the non-flagged ports of the quarantine queue; and performing network discovery operations on the selected ports of the quarantine queue.