cdp
To enable the Cisco Discovery Protocol (CDP) and configure CDP attributes, use the cdp command. To
disable CDP or reset CDP attributes, use the no form of this command.
cdp { advertise { v1 | v2 } | enable | format device-id { mac-address | serial-number | system-name } |
holdtime seconds | timer seconds }
no cdp { advertise | enable | format device-id { mac-address | serial-number | system-name } | holdtime
seconds | timer seconds }
Syntax Description
Configures the version to use to send CDP
advertisements. Version-2 is the default state.
advertise { v1 | v2 }
Enables CDP for all Ethernet interfaces.enable
Configures the format of the CDP device ID.format device-id
Uses the MAC address as the CDP device ID.mac-address
Uses the serial number as the CDP device ID.serial-number
Uses the system name, which can be expressed as a
fully qualified domain name, as the CDP device ID.
This is the default.
system-name
Specifies the amount of time a receiver should hold
CDP information before discarding it. The range is
from 10 to 255 seconds; the default is 180 seconds.
holdtime seconds
Sets the transmission frequency of CDP updates in
seconds. The range is from 5 to 254; the default is 60
seconds.
timer seconds
Command Default
None
Command Modes
Global configuration mode
Command History
ModificationRelease
This command was introduced.4.0(0)N1(1a)
Cisco Nexus 5000 Series Interfaces Command Reference
8
C Commands
cdp