Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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debug lldp interface

To display timer events, neighbor additions or deletions, and other information about incoming and outgoing packets, enable LLDP debugging.

Syntax
debug lldp interface {interface | all}{events | packet {brief | detail} {tx | rx | both}}

To disable debugging, use the no debug lldp [interface {interface | all}{events} {packet {brief | detail} {tx | rx | both}}] command.

Parameters
interface interface
Enter the following keywords and slot/port[/subport] or number information:
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port[/subport] information.
  • For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
all
Enter the keyword all to display information on all interfaces.
events
Enter the keyword events to display major events such as timer events.
packet
Enter the keyword packet to display information regarding packets coming in or going out.
brief
Enter the keyword brief to display brief packet information.
detail
Enter the keyword detail to display detailed packet information.
tx
Enter the keyword tx to display transmit-only packet information.
rx
Enter the keyword rx to display receive-only packet information.
both
Enter the keyword both to display both receive and transmit packet information.
Defaults
None
Command Modes
EXEC Privilege
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.13.0.0
Enhanced to display organizational specific unrecognized LLDP TLVs.
9.11.2.5
Enhanced to display unrecognized TLVs.
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.5.1.0
Added support for 4-port 40G line cards on the E-Series.
8.3.7.0
Introduced on the S4810.
7.7.1.0
Introduced on the S-Series.
7.6.1.0
Introduced on the C-Series.
7.4.1.0
Introduced on the E-Series.
Example
DellEMC#Dec  4 22:38:27 : Received LLDP pkt on TenGigabitEthernet 1/1 of length 204 :
Dec  4 22:38:27 : Packet dump:
Dec  4 22:38:27 :  01 80 c2 00 00 0e 00 a0 c9 00 00 03 81 00 00 00
Dec  4 22:38:27 :  88 cc 02 07 04 00 a0 c9 00 00 01 04 02 05 54 06
Dec  4 22:38:27 :  02 01 2c fe 05 aa bb cc 04 61 fa 01 40 00 00 00
Dec  4 22:38:28 :  00 00 00 00 00 00 00 00 c6 0f ba 27
Dec  4 22:38:28 : TLV: Chassis ID, Len: 7, Subtype: Mac address (4) Value: 00:a0:c9:00:00:01
Dec  4 22:38:29 : TLV: Port ID, Len: 2, Subtype: Interface name (5) Value: T
Dec  4 22:38:29 : TLV: TTL, Len: 2, Value: 300
Dec  4 22:38:29 : TLV: UNKNOWN TLV, ORG_SPEC[aa-bb-cc, 4], Len: 1, Value:a
Dec  4 22:38:29 :  aa bb cc 04 61
Dec  4 22:38:29 :  40
Dec  4 22:38:29 : TLV: UNKNOWN TLV, Type: 125 Len: 1, Value: @
Dec  4 22:38:29 : TLV: ENDOFPDU, Len: 0

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