What is CDP | Cisco Discovery Protocol | CCNA 200-301
Hello Every one,
In this Video you will get CDP Theory.
What is CDP?
CDP:
• CDP is CISCO Discovery Protocol.
• CDP is a Layer two discovery Protocol.
• CDP is CISCO Proprietary Protocol.
• CDP message contains information about Device ID, IP address, Port ID, Vlan and Hardware Platform. Or it is used to share information about other directly connected CISCO equipment such as the operating system version and IP address.
• CDP enable by default
• CDP advertisements are sent every 60 sec.
• CDP hold time advertised is 180 sec.
• CISCO devices send CDP announcements to the destination MAC address 01:00:0c:cc:cc:cc, out each connected network interface.
Thanks