What?s the default CDP holdtime in seconds for Cisco
routers?
* 30 seconds
* 180 seconds
* 90 seconds
* 60 seconds

Answer Posted / sunilbaglur

180 seconds

Cisco Discovery Protocol is a proprietary protocol to allow
you to access configuration information on other routers
and switches with a single command. It uses SNAP at the
Data-Link Layer. By default CDP sends out a broadcast every
60 seconds and it holds this information for 180 seconds.
CDP is enabled by default.

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