LLDP configuration

lldp enable

This command enables LLDP protocol support on the router.

The use of a negative form (no) of the command disables LLDP protocol support.

Syntax

[no] lldp enable

Parameters

The command does not contain parameters.

Default value

Disabled.

Required privilege level

15

Command mode

CONFIG

Example

esr(config)# lldp enable

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lldp hold-multiplier

This command sets the number of lldp-timer periods during which the router stores information received via the LLDP protocol.

The use of a negative form (no) of the command sets the specified parameter to the default value.

Syntax

lldp hold-multiplier <SEC>

no lldp hold-multiplier

Parameters

<SEC> – time interval in seconds, takes values of [1..10].

Default value

4

Required privilege level

10

Command mode

CONFIG

Example

esr(config)# lldp hold-multiplier 5

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lldp management-address

This command sets the IP address that will be sent to the LLDP TLV as the management-address.

The use of a negative form (no) of the command sets the default value for the LLDP TLV management-address field.

Syntax

lldp management-address <ADDR>

no lldp management-address

Parameters

<ADDR> – IP address, defined as AAA.BBB.CCC.DDD where each part takes values of [0..255]. The specified IP address must be assigned on any interface/tunnel of the router.

Default value

One of the existing.

Required privilege level

15

Command mode

CONFIG

Example

esr(config)# lldp management-address 192.168.54.42

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lldp med fast-start enable

This command enables the sending of LLDP-MED messages on interfaces with a configured network policy (see section lldp network-policy).

The use of a negative form (no) of the command disables LLDP-MED broadcasting of messages on interfaces with a configured network policy.

Syntax

[no] lldp med fast-start enable

Parameters

None.

Default value

LLDP-MED messaging is disabled.

Required privilege level

15

Command mode

CONFIG

Example

esr(config)# lldp med fast-start enable

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lldp med fast-start tx-interval

This command configures the period of sending of LLDP-MED messages on interfaces with a configured network policy (see section lldp network-policy).

The use of a negative form (no) sets the default value for the distribution period of LLDP-MED messages on interfaces with a configured network policy.

Syntax

lldp med fast-start tx-interval <SEC>

[no] lldp med fast-start tx-interval

Parameters

<SEC> – time interval, takes values of [1..32768] seconds.

Default value

1 second

Required privilege level

10

Command mode

CONFIG

Example

esr(config)# lldp med fast-start tx-interval 20

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lldp receive

This command enables LLDPDU processing on the physical interface.

The use of a negative form (no) of the command disables LLDPDU processing on the physical interface.

Syntax

[no] lldp receive

Parameters

The command does not contain parameters.

Default value

LLDP packets receiving disabled.

Required privilege level

15

Command mode

CONFIG-IF-GI

CONFIG-IF-TE

Example

esr(config-if-gi)# lldp receive

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lldp system-description

This command sets the field that will be sent to the LLDP TLV as the system-description.

The use of a negative form (no) of the command sets the default value for the LLDP TLV system-description field.

Syntax

lldp system-description <DESCRIPTION>

no lldp system-description

Parameters

<DESCRIPTION> – system description identifier, set by the string of up to 255 characters.

Default value

Contains information about the model and firmware version of the router.

Required privilege level

15

Command mode

CONFIG

Example

esr(config)# lldp system-description esr-1000-1.3.0

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lldp system-name

This command sets the field that will be sent to the LLDP TLV as the system-name.

The use of a negative form (no) of the command.

Syntax

lldp system-name <NAME>

no lldp system-name

Parameters

<NAME> – system name identifier, set by the string of up to 255 characters.

Default value

Same as hostname.

Required privilege level

15

Command mode

CONFIG

Example

esr(config)# lldp system-name esr-100-branch-12

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lldp timer

This command sets the LLDPDU send period.

The use of a negative form (no) of the command sets the default LLDPDU send period value.

Syntax

lldp timer <SEC>

no lldp timer

Parameters

<SEC> – time interval in seconds, takes values of [1..32768].

Default value

30

Required privilege level

10

Command mode

CONFIG

Example

esr(config)# lldp timer 3

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lldp transmit

This command enables LLDPDU sending on the physical interface.

The use of a negative form (no) of the command disables LLDPDU sending on the physical interface.

Syntax

[no] lldp transmit

Parameters

The command does not contain parameters.

Default value

LLDP packets sending disabled.

Required privilege level

15

Command mode

CONFI-IF-GI

CONFI -IF-TE

Example

esr(config-if-gi)# lldp transmit

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show lldp neighbors

This command displays information about the connected devices from which information is received via the LLDP protocol.

Syntax

show lldp neighbors <IF>

Parameters

<IF> – name of physical interface or a group of physical interfaces is specified in the form described in Section Types and naming order of router interfaces.
It is permissible to use only physical interfaces (gigabitethernet or tengigabitethernet). Without an interface, information about all devices detected by the LLDP is displayed.

Required privilege level

10

Command mode

ROOT

Example

esr# show lldp neighbors
LLDP Neighbor Information:

Local Information:
    Index:              0
    Local Interface:    gi1/0/4

Neighbour Information:
    Chassis type:       mac
    Chassis ID:         a8:f9:4b:aa:8c:90
    Management ip:      192.168.1.5
    Management ip:      fe80::2052:e5ff:fe36:226f
    Port type:          local
    Port ID:            gi1/0/8
    Port description:   esr200-lldp-test
    Time to live:       120
    System name:        esr-200-test
    System Description: Eltex Router ESR-200 1.3.0 build 79 (date 14/08/2017 time 10:19:13)

System capabilities:
    Bridge:             false
    Router:             true
    Station:            true
    Wlan:               false

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show lldp statistics

This command displays the statistics of the LLDP protocol operation on the interfaces on which the LLDP protocol is enabled.

Syntax

show lldp statistics <IF>

Parameters

<IF> – name of an interface or a group of interfaces is specified in the form described in Section Types and naming order of router interfaces; It is permissible to use only physical interfaces (gigabitethernet or tengigabitethernet). Without an interface, information about all devices detected by the LLDP is displayed.

Required privilege level

1

Command mode

ROOT

Example

esr# show lldp statistics
Interface  Transmitted  Received  Discarded  Unrecognized  Ageout  Inserted   Deleted  
---------  -----------  --------  ---------  -----------   ------  --------   -------  
 gi1/0/1        1          0          0           0           0        0         0

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