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I created a ping packet in Simulation Mode and ran it. Why do I still see packets/frames (like CDP) running on the network after the ping process is completed?

April 26, 2017CDP frames mode packet packets ping ran running simulation

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I created a ping packet in Simulation Mode and ran it. Why do I still see packets/frames (like CDP) running on the network after the ping process is completed?

1 Answer

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Routers and switches send out CDP frames every 60 seconds regardless of what packets you created yourself. If you do not want to see the CDP events, uncheck the CDP filter in the Event List Filters. You can also disable CDP on the Cisco devices by using the Cisco IOS CLI. There are other protocols that periodically send out packets/frames without any configurations, including STP and DTP.