Configuring Cisco Discovery Protocol
13-12 Configuring Neighbor Discovery
• There is a one-to-one correlation between the value set with the cos parameter and the 802.1p
value assigned to ingressed traffic by the Cisco IP phone. A value of 0 equates to an 802.1p
priority of 0. Therefore, a value of 7 is given the highest priority.
Cisco Discovery Protocol Configuration Commands
Table 13-5 lists Cisco Discovery Protocol configuration commands.
Refer to your device’s CLI Reference Guide for more information about each command.
Example Cisco Discovery Protocol Configuration
This example shows how to enable Cisco Discovery Protocol on the device:
System(rw)->set ciscodp status enable
Cisco Discovery Protocol Configuration Commands
Table 13-6 lists Cisco Discovery Protocol show commands.
Note: The Cisco Discovery Protocol must be globally enabled using the set ciscodp status
command before operational status can be set on individual ports.
Table 13-5 Cisco Discovery Protocol Configuration Commands
Task Command
Enable or disable Cisco Discovery Protocol globally
on the device.
set ciscodp status {auto | enable |
disable}
Set the number of seconds between Cisco
Discovery Protocol PDU transmissions.
set ciscodp timer time
Set the time to live (TTL) for Cisco Discovery
Protocol PDUs. This is the amount of time (in
seconds) neighboring devices will hold PDU
transmissions from the sending device.
set ciscodp holdtime time
Set the status, voice VLAN, extended trust mode,
and CoS priority for untrusted traffic for the Cisco
Discovery Protocol on one or more ports.
set ciscodp port { [status {disable |
enable}] [ vvid {<vlan-id> | none |
dot1p | untagged}] [trust-ext {trusted
| untrusted}] [cos-ext value] } <port-
string>
Clear the Cisco Discovery Protocol back to the
default values.
clear ciscodp { [status | timer |
holdtime | port {status | vvid |
trust-ext | cos-ext}] } <port-string>
Table 13-6 Cisco Discovery Protocol Show Commands
Task Command
Display global Cisco Discovery Protocol information. show ciscodp
Display summary information about the Cisco
Discovery Protocol on one or more ports.
show ciscodp port info [port-string]
Display Network Neighbor Discovery information
from all supported discovery protocols.
show neighbors [port-string]