Cisco Cisco SG300-28 28-Port Gigabit Managed Switch Maintenance Manual

Configuring CDP

158

Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 

This page provides the following fields:

•

Interface—Select the interface to be defined.

•

CDP Status—Select to enable/disable the CDP publishing option for the 
port. 

The next three fields are operational when the device has been set up 

to send traps to the management station.

•

Syslog Voice VLAN Mismatch—Select to enable the option of sending a 
SYSLOG message when a voice VLAN mismatch is detected This means 
that the voice VLAN information in the incoming frame does not match what 
the local device is advertising.

•

Syslog Native VLAN Mismatch—Select to enable the option of sending a 
SYSLOG message when a native VLAN mismatch is detected. This means 
that the native VLAN information in the incoming frame does not match what 
the local device is advertising.

•

Syslog Duplex Mismatch—Select to enable the option of sending a 
SYSLOG message when duplex information mismatch is detected. This 
means that the duplex information in the incoming frame does not match 
what the local device is advertising.

Enter the relevant information, and click Apply. The port settings are written to the 
Running Configuration.

To view information that is advertised by the CDP protocol about the local device:

Click Administration > Discovery - CDP > CDP Local Information.

Select a local port, and the following fields are displayed:

•

Interface—Number of the local port.

•

CDP State—Displays whether CDP is enabled or not.

•

-

Device ID Type—Type of the device ID advertised in the device ID TLV.

-

Device ID—Device ID advertised in the device ID TLV.