Administration: Discovery
Configuring CDP
Cisco 500 Series Stackable Managed Switch Administration Guide 170
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• Device ID Format—Select the format of the device ID (MAC address or
serial number). The following options are possible:
- MAC Address—Use the MAC address of the device as the device ID.
- Serial Number—Use the serial number of the device as the device ID.
- Hostname—Use the host name of the device as the device ID.
• Source Interface—IP address to be used in the TLV of the frames. The
following options are possible:
- Use Default—Use the IP address of the outgoing interface.
- User Defined—Use the IP address of the interface (in the Interface field)
in the address TLV.
• Interface—IF User Defined was selected for Source Interface, select the
interface.
• Syslog Voice VLAN Mismatch—Check to send 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—Check to send 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—Check to send a SYSLOG message when
duplex information is mismatched. This means that the duplex information in
the incoming frame does not match what the local device is advertising.
STEP 3 Click Apply. The LLDP properties are defined.
CDP Interface Settings
The Interface Settings page enables you to enable/disable CDP per port.
Notifications can also be triggered when there are conflicts with CDP neighbors.
The conflict can be Voice VLAN data, Native VLAN, or Duplex.
By setting these properties it is possible to select the types of information to be
provided to devices that support the LLDP protocol.
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