2.1.b (i) CDP, LLDP

Section 2.1.b (i) CDP, LLDP   CDP: We will start this discussion with the Cisco Discovery Protocol (CDP), a proprietary protocol invented by Cisco for finding directly connected device information. CDP is encapsulated in 802.3 Ethernet not Ethernet II. This feature is enabled by default and transmits every 60 seconds with a hold/expire time of [...]