Debug Device-Sensor - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

debug device-sensor

To enable debugging for Device Sensor, use the debug device-sensor command in privileged EXEC
mode.
Syntax Description errors
events
Defaults
There are no defaults for this command.
Command Modes Privileged EXEC
Command History Release
IOS XE 3.4.0SG and
IOS 15.1(2)SG)
Usage Guidelines
Use the debug device-sensor command in conjunction with the debug authentication all command to
troubleshoot scenarios where device sensor cache entries are not being created for the connected devices
Examples
The following is sample output from the debug device-sensor events command. The debug output
shows how Cisco Discovery Protocol packets and TLVs are received from the device connected to the
GigabitEthernet 2/1 interface:
Switch# debug device-sensor events
Switch#
*Nov 30 23:58:45.811: DSensor: Received cdp packet from GigabitEthernet2/1:00d0.2bdf.08a5
*Nov 30 23:58:45.811: DSensor: SM returned no or invalid session label for
GigabitEthernet2/1:00d0.2bdf.08a5
*Nov 30 23:58:45.811: DSensor: Updating SM with identity attribute list
cdp-tlv
cdp-tlv
cdp-tlv
cdp-tlv
2C 20 56 65 72 73 69 6F 6E 20 4D 63 70 53 57 3A 20 36 2E 34 28 35 2E
30 29 20 4E 6D 70 53 57 3A 20 36 2E 34 28 35 29 0A 43 6F 70 79 72 69 67 68 74 20 28 63 29
20 31 39 39 35 2D 32 30 30 33 20 62 79 20 43 69 73 63 6F 20 53 79 73
74 65 6D 73 2C 20 49 6E 63 2E 0A
cdp-tlv
cdp-tlv
cdp-tlv
cdp-tlv
cdp-tlv
cdp-tlv
OL-27596 -01
debug device-sensor errors events
Displays Device Sensor error messages.
Displays messages for events such as protocol packet arrivals, identity updates, and
release events sent to the session manager.
Modification
Command introduced on the Catalyst 4500 Series switch.
0
0
0
0
0 00 06 00 08 57 53 2D 43 32 39 34 38
0 00 09 00 00
0 00 0A 00 02 00 21
0 00 0B 00 01 01
0 00 12 00 01 00
0 00 13 00 01 00
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
00 01 00 0B 4A 41 45 30 37 34 31 31 50 53 32
00 03 00 03 32 2F 38
00 04 00 04 00 00 00 0A
00 05 00 68 57 53 2D 43 32 39 34 38 20 53 6F 66 74 77 61 72 65
debug device-sensor
2-147