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LLDP

set lldp

Command Objective: This command transmits or receives LLDP frames from the server to the LLDP module.

Syntax: set lldp {enable | disable}

Parameter Description:

  • enable: Transmits/receives the LLDP packets between LLDP module and the server.
  • disable: Does not transmit/receive the LLDP packets between LLDP module and the server.

Mode: Global Configuration Mode.

set lldp version

Command Objective: This command enables the lldp version to be used on the system.

Syntax: set lldp version {v1 | v2}

Parameter Description:

  • v1: Enables LLDP 2005 version 1 on the port.
  • v2: Enables LLDP 2009 version 2 on the port.

Mode: Global Configuration Mode.

lldp transmit-interval

Command Objective: This command sets the transmission interval in which the server sends the LLDP frames to the LLDP module.The value ranges between 5 and 32768 seconds.

The no form of the command sets the transmission interval to the default value.

Syntax:

  • lldp transmit-interval <seconds(5-32768)>
  • no lldp transmit-interval

Mode: Global Configuration Mode.

lldp holdtime-multiplier

Command Objective: This command sets the holdtime-multiplier value, which is the amount of time, the server should hold the LLDP. The value ranges between 2 and 10 seconds.

The no form of the command sets the multiplier to the default value.

TLV (Time to Live) A value that tells the receiving agent, how long the information contained in the TLV Value field is valid.

TTL = message transmission interval * hold time multiplier.

For Example, if the value of LLDP transmission interval is 30, and the value of the LLDP hold multiplier is 4, then the value 120 is encoded in the TTL field in the LLDP header.

Syntax:

  • lldp holdtime-multiplier <value(2-10)>
  • no lldp holdtime-multiplier

Mode: Global Configuration Mode.

lldp reinitialization-delay

Command Objective: This command sets the reinitialization delay time which is the minimum time an LLDP port will wait before reinitializing LLDP transmission. The value ranges between 1 and 10 seconds.

The no form of the command sets the reinitialization delay time to the default value.

Syntax:

  • lldp reinitialization-delay seconds(1-10)>
  • no lldp reinitialization-delay

Mode: Global Configuration Mode.

lldp tx-delay

Command Objective: This command sets the transmit delay which is the minimum amount of delay between successive LLDP frame transmissions. The value ranges between 1 and 8192 seconds.

The no form of the command sets the transmit delay to the default value.

TxDelay should be less than or equal to (0.25 * Message Tx Interval)

Syntax:

  • lldp tx-delay <seconds(1-8192)>
  • no lldp tx-delay

Mode: Global Configuration Mode.

show lldp

Command Objective: This command displays LLDP global configuration details to initialize on an interface.

Syntax: show lldp

Mode: Privileged EXEC Mode.

show lldp interface

Command Objective: This command displays the information about interfaces where LLDP is enabled.

Syntax: show lldp interface [<interface-type> <interface-id>] [mac-address <mac_addr>]

Parameter Description:

  • <interface-type>: Displays the information about the specified type of interface. The interface can be:

    • gigabitethernet: A version of LAN standard architecture that supports data transfer upto 1 Gigabit per second.

  • <interface-id>: Displays the information about the specified interface identifier. This is a unique value that represents the specific interface. This value is a combination of slot number and port number separated by a slash. For Example: 0/1 represents that the slot number is 0 and port number is 1. Only port-channel ID is provided, for interface type port- channel. For Example: 1 represents port-channel ID.

  • mac-address <mac_addr>: Displays information about neighbors for the specidfied destination MAC address of the LLDP agent.

Mode: Privileged EXEC Mode.

show lldp neighbors

Command Objective: This command displays information about neighbors on an interface or all interfaces.

Syntax: show lldp neighbors [chassis-id <string(255)> port-id <string(255)>] [<interface-type> <interface-id> [mac- address<mac_addr>]] [detail]

Parameter Description:

  • chassis-id <string(255)>: Configures the chassis identifier string. This value is a string value with a maximum size of 255.
  • port-id <string(255)>: Configures the port number that represents the concerned aggregation port This value is a string value with a maximum size of 255.

  • <interface-type>: Displays information about neighbors for the specified type of interface. The interface can be:

    • gigabitethernet: A version of LAN standard architecture that supports data transfer upto 1 Gigabit per second.

  • <interface-id>: Displays information about neighbors for the specified interface identifier. This is a unique value that represents the specific interface. This value is a combination of slot number and port number separated by a slash. For Example: 0/1 represents that the slot number is 0 and port number is 1. Only port-channel ID is provided, for interface type port-channel. For Example: 1 represents port-channel ID.

  • mac-address <mac_addr>: Displays information about neighbors for the specidfied destination MAC address of the LLDP agent.
  • detail: Displays the information obtained from all the received TLVs.

Mode: Privileged EXEC Mode.

show lldp local

Command Objective: This command displays the current switch information that will be used to populate outbound LLDP advertisements for a specific interface or all interfaces.

Syntax: show lldp local {[<interface-type> <interface-id> [mac-address <mac_addr>]] | [mgmt-addr]}

Parameter Description:

  • <interface-type>: Displays the current switch information for the specified type of interface. The interface can be:

    • gigabitethernet: A version of LAN standard architecture that supports data transfer upto 1 Gigabit per second.

  • <interface-id>: Displays the current switch information for the specified interface identifier. This is a unique value that represents the specific interface. This value is a combination of slot number and port number separated by a slash. For Example: 0/1 represents that the slot number is 0 and port number is 1. Only port-channel ID is provided, for interface type port-channel. For Example: 1 represents port-channel ID.

  • mac-address <mac_addr>: Displays information about neighbors for the specidfied destination MAC address of the LLDP agent.
  • mgmt-addr: All the management addresses configured in the system and Tx enabled ports.

Mode: Privileged EXEC Mode.

show lldp peers

Command Objective: This command displays information about neighbors learnt on an interface or all interfaces.

Syntax: show lldp peers [chassis-id <string(255)> port-id <string(255)>] <interface-type> <interface-id>[[mac-address <mac_addr>] [detail]]

Parameter Description:

  • <interface-type>: Displays the current switch information for the specified type of interface. The interface can be:

    • gigabitethernet: A version of LAN standard architecture that supports data transfer upto 1 Gigabit per second.

  • <interface-id>: Displays the current switch information for the specified interface identifier. This is a unique value that represents the specific interface. This value is a combination of slot number and port number separated by a slash. For Example: 0/1 represents that the slot number is 0 and port number is 1. Only port-channel ID is provided, for interface type port-channel. For Example: 1 represents port-channel ID.

  • mac-address <mac_addr>: Displays information about neighbors for the specidfied destination MAC address of the LLDP agent.

Mode: Privileged EXEC Mode.