Dell Command Line Reference Guide for the S4048–ON System 9.14.2.4

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show lldp neighbors

Display LLDP neighbor information for all interfaces or a specified interface.

Syntax
show lldp neighbors [interface interface] [detail]
Parameters
interface interface
(OPTIONAL) Enter the following keywords and the interface 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.
detail
(OPTIONAL) Enter the keyword detail to display all the TLV information, remote management IP addresses, timers, and LLDP tx and rx counters.
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.
9.1.(0.0)
Modified output of detail parameter to display remote management IP addresses.
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.
Usage Information
Omitting the keyword detail displays only the remote chassis ID, Port ID, and Dead Interval.
Example
DellEMC(conf-if-te-1/31)# do show lldp neighbors
Loc PortID Rem  Host Name       Rem     Port Id Rem Chassis Id
--------------------------------------------------------------
Te   1/21    R2  TenGigabitEthernet  2/11   00:01:e8:06:95:3e
Te   1/31    R3  TenGigabitEthernet  3/11   00:01:e8:09:c2:4a
Example (Detail)
DellEMC(conf)#do show lldp neighbors detail
========================================================================
Local Interface TenGigabitEthernet 1/1 has 2 neighbors
  Total Frames Out: 3
  Total Frames In: 8
  Total Neighbor information Age outs: 0
  Total Multiple Neighbors Detected: 0
  Total Frames Discarded: 0
  Total In Error Frames: 0
  Total Unrecognized TLVs: 960
  Total TLVs Discarded: 16
  Next packet will be sent after 9 seconds
  The neighbors are given below:
  -----------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  00:00:00:00:00:01
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  TenGigabitEthernEt 1/40
    Local Port ID: TenGigabitEthernet 1/1
    Locally assigned remote Neighbor Index: 1
    Remote TTL:  120
    Information valid for next 44 seconds
    Time since last information change of this neighbor:  00:01:16
    UnknownTLVList:
          (  9,  4) ( 10,  4) ( 11,  4) ( 12,  4) ( 13,  4) ( 14,  4) ( 15,  4) ( 16,  4) ( 17,  4) ( 18,  4)
          ( 19,  4) ( 20,  4) ( 21,  4) ( 22,  4) ( 23,  4) ( 24,  4) ( 25,  4) ( 26,  4) ( 27,  4) ( 28,  4)
          ( 29,  4) ( 30,  4) ( 31,  4) ( 32,  4) ( 33,  4) ( 34,  4) ( 35,  4) ( 36,  4) ( 37,  4) ( 38,  4)
          ( 39,  4) ( 40,  4) ( 41,  4) ( 42,  4) ( 43,  4) ( 44,  4) ( 45,  4) ( 46,  4) ( 47,  4) ( 48,  4)
          ( 49,  4) ( 50,  4) ( 51,  4) ( 52,  4) ( 53,  4) ( 54,  4) ( 55,  4) ( 56,  4) ( 57,  4) ( 58,  4)
          ( 59,  4) ( 60,  4) ( 61,  4) ( 62,  4) ( 63,  4) ( 64,  4) ( 65,  4) ( 66,  4) ( 67,  4) ( 68,  4)
          ( 69,  4) ( 70,  4) ( 71,  4) ( 72,  4) ( 73,  4) ( 74,  4) ( 75,  4) ( 76,  4) ( 77,  4) ( 78,  4)
          ( 79,  4) ( 80,  4) ( 81,  4) ( 82,  4) ( 83,  4) ( 84,  4) ( 85,  4) ( 86,  4) ( 87,  4) ( 88,  4)
          ( 89,  4) ( 90,  4) ( 91,  4) ( 92,  4) ( 93,  4) ( 94,  4) ( 95,  4) ( 96,  4) ( 97,  4) ( 98,  4)
          ( 99,  4) (100,  4) (101,  4) (102,  4) (103,  4) (104,  4) (105,  4) (106,  4) (107,  4) (108,  4)
          (109,  4) (110,  4) (111,  4) (112,  4) (113,  4) (114,  4) (115,  4) (116,  4) (117,  4) (118,  4)
          (119,  4) (120,  4) (121,  4) (122,  4) (123,  4) (124,  4) (125,  4) (126,  4)
    OrgUnknownTLVList:
   ---------------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  00:00:00:00:00:02
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  TenGigabitEthernEt 1/40
    Local Port ID: TenGigabitEthernet 1/1
    Locally assigned remote Neighbor Index: 2
    Remote TTL:  120
    Information valid for next 43 seconds
    Time since last information change of this neighbor:  00:01:17
    UnknownTLVList:
          (  9,  4) ( 10,  4) ( 11,  4) ( 12,  4) ( 13,  4) ( 14,  4) ( 15,  4) ( 16,  4) ( 17,  4) ( 18,  4)
          ( 19,  4) ( 20,  4) ( 21,  4) ( 22,  4) ( 23,  4) ( 24,  4) ( 25,  4) ( 26,  4) ( 27,  4) ( 28,  4)
          ( 29,  4) ( 30,  4) ( 31,  4) ( 32,  4) ( 33,  4) ( 34,  4) ( 35,  4) ( 36,  4) ( 37,  4) ( 38,  4)
          ( 39,  4) ( 40,  4) ( 41,  4) ( 42,  4) ( 43,  4) ( 44,  4) ( 45,  4) ( 46,  4) ( 47,  4) ( 48,  4)
          ( 49,  4) ( 50,  4) ( 51,  4) ( 52,  4) ( 53,  4) ( 54,  4) ( 55,  4) ( 56,  4) ( 57,  4) ( 58,  4)
          ( 59,  4) ( 60,  4) ( 61,  4) ( 62,  4) ( 63,  4) ( 64,  4) ( 65,  4) ( 66,  4) ( 67,  4) ( 68,  4)
          ( 69,  4) ( 70,  4) ( 71,  4) ( 72,  4) ( 73,  4) ( 74,  4) ( 75,  4) ( 76,  4) ( 77,  4) ( 78,  4)
          ( 79,  4) ( 80,  4) ( 81,  4) ( 82,  4) ( 83,  4) ( 84,  4) ( 85,  4) ( 86,  4) ( 87,  4) ( 88,  4)
          ( 89,  4) ( 90,  4) ( 91,  4) ( 92,  4) ( 93,  4) ( 94,  4) ( 95,  4) ( 96,  4) ( 97,  4) ( 98,  4)
          ( 99,  4) (100,  4) (101,  4) (102,  4) (103,  4) (104,  4) (105,  4) (106,  4) (107,  4) (108,  4)
          (109,  4) (110,  4) (111,  4) (112,  4) (113,  4) (114,  4) (115,  4) (116,  4) (117,  4) (118,  4)
          (119,  4) (120,  4) (121,  4) (122,  4) (123,  4) (124,  4) (125,  4) (126,  4)
    OrgUnknownTLVList:
   ---------------------------------------------------------------------------

========================================================================
Local Interface TenGigabitEthernet 1/2 has 3 neighbors
  Total Frames Out: 4
  Total Frames In: 8
  Total Neighbor information Age outs: 0
  Total Multiple Neighbors Detected: 0
  Total Frames Discarded: 0
  Total In Error Frames: 0
  Total Unrecognized TLVs: 1056
  Total TLVs Discarded: 0
  Next packet will be sent after 16 seconds
  The neighbors are given below:
  -----------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:01
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/2
    Locally assigned remote Neighbor Index: 1
    Remote TTL:  300
    Information valid for next 201 seconds
    Time since last information change of this neighbor:  00:01:39
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:02
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/2
    Locally assigned remote Neighbor Index: 2
    Remote TTL:  300
    Information valid for next 201 seconds
    Time since last information change of this neighbor:  00:01:39
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------

    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:03
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/2
    Locally assigned remote Neighbor Index: 3
    Remote TTL:  300
    Information valid for next 199 seconds
    Time since last information change of this neighbor:  00:01:41
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------
Example (Detail) for a single interface
DellEMC(conf)#do show lldp neighbors interface TenGigabitEthernet 1/1 detail
========================================================================
Local Interface TenGigabitEthernet 1/1 has 3 neighbors
  Total Frames Out: 4
  Total Frames In: 8
  Total Neighbor information Age outs: 0
  Total Multiple Neighbors Detected: 0
  Total Frames Discarded: 0
  Total In Error Frames: 0
  Total Unrecognized TLVs: 1056
  Total TLVs Discarded: 0
  Next packet will be sent after 16 seconds
  The neighbors are given below:
  -----------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:01
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/1
    Locally assigned remote Neighbor Index: 1
    Remote TTL:  300
    Information valid for next 201 seconds
    Time since last information change of this neighbor:  00:01:39
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------
 
    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:02
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/1
    Locally assigned remote Neighbor Index: 2
    Remote TTL:  300
    Information valid for next 201 seconds
    Time since last information change of this neighbor:  00:01:39
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------

    Remote Chassis ID Subtype: Mac address (4)
    Remote Chassis ID:  4c:76:25:f4:ab:03
    Remote Port Subtype:  Interface name (5)
    Remote Port ID:  fortyGigE 1/2/8/1
    Local Port ID: TenGigabitEthernet 1/1
    Locally assigned remote Neighbor Index: 3
    Remote TTL:  300
    Information valid for next 199 seconds
    Time since last information change of this neighbor:  00:01:41
    UnknownTLVList:
    OrgUnknownTLVList:
         ((00-01-66),127,  4) ((00-01-66),126,  4) ((00-01-66),125,  4) ((00-01-66),124,  4) ((00-01-66),123,  4)
         ((00-01-66),122,  4) ((00-01-66),121,  4) ((00-01-66),120,  4) ((00-01-66),119,  4) ((00-01-66),118,  4)
   ---------------------------------------------------------------------------

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