# Cisco Discovery Protocol

Device>Configure>Cisco Discovery Protocol

The CiscoView Cisco Discovery Protocol (CDP) options displays information about how Catalyst 6000-series devices are connected to ports on the switch.

Configuration

Cache

Global Configuration

# CDP Configuration

Device>Configure>Cisco Discovery Protocol>Configure

Use this feature to display device CDP Configuration information for the device.

CDP Running(cdpGlobalRun)

Indicates whether Cisco Discovery Protocol is currently running.

Message Interval (5...254 seconds) (cdpGlobalMessageInterval)

Interval at which CDP messages are to be generated: default value is 60 seconds.

Global Hold Time (10...255 seconds) (cdpGlobalHoldTime)

Indicates the time the receiving device holds CDP message.

Advertised Device ID (cdpGlobalDeviceId)

Device ID advertised by this device.

Click Apply to make your changes take effect. Click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

# CDP Cache

Device>Configure>Cisco Discovery Protocol>Cache

The CiscoView Cisco Discovery Protocol window displays information about how devices are connected to ports on the switch. Use this feature to display the Cisco Discovery Protocol (CDP) Cache Table.

Port (cdpCacheIfIndex)

Index value of the local interface. For 802.3 repeaters for which the repeater ports do not have ifIndex values assigned, the port value is a unique value and greater than any ifIndex value supported by the repeater.

Device ID (cdpCacheDeviceId)

Unique value for each device from which CDP messages are being received. A zero-length string indicates that no device ID field was reported in the most recent CDP message.

Device Port (cdpCacheDevicePort)

Port identification number referenced in the most recent CDP message.

Address (cdpCacheAddress)

Network-layer address of the device’s SNMP agent as reported in the most recent CDP message.

Address Type (cdpCacheAddressType)

Type of address (Cisco Network Protocol) specified in the Address field.

Platform (cdpCachePlatform)

Device’s hardware platform as reported in the most recent CDP message. A zero-length string indicates that no platform field was reported in the most recent CDP message.

Capabilities (cdpCacheCapabilities)

Device’s functional capabilities as reported in the most recent CDP message.

VTP Management Domain (cdpCacheVTPMgmtDomain)

The VTP Management Domain for the remote device's interface, as reported in the most recently received CDP message.

Native VLAN (cdpCacheNativeVLAN)

The remote device's interface's native VLAN, as reported in the most recent CDP message. The value 0 indicates no native VLAN field (TLV) was reported in the most recent CDP message.

Duplex Mode (cdpCacheDuplex)

The remote device's interface's duplex mode, as reported in the most recent CDP message;

unknown(1): no duplex mode field (TLV) was reported in the most recent CDP message.

halfduplex(2): Half Duplex.

fullduplex(3): Full Duplex.

Version (cdpCacheVersion)

Software version string as reported in the most recent CDP message.

Click Apply to make your changes take effect. Click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.