Digital Data Communications Level One GTL-2091 User manual
Table of Contents
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Table of Contents
LLDP Configuration Commands .............................................................................................錯誤! 尚未定義書籤。
Table of Contents..........................................................................................................................................................1
Chapter 1 LLDP Configuration Commands ....................................................................................................................1
1.1 LLDP Commands ...........................................................................................................................................1
1.1.1 lldp run ............................................................................................................................................1
1.1.2 lldp holdtime ....................................................................................................................................2
1.1.3 lldp timer .........................................................................................................................................2
1.1.4 lldp reinit..........................................................................................................................................3
1.1.5 lldp tlv-select....................................................................................................................................4
1.1.6 lldp transmit .....................................................................................................................................5
1.1.7 lldp receive ......................................................................................................................................6
1.1.8 Show lldp errors ...........................................................................................................................6
1.1.9 Show lldp interface .......................................................................................................................7
1.1.10 show lldp neighbors .......................................................................................................................8
1.1.11 Show lldp neighbors detail .......................................................................................................9
1.1.12 Show lldp traffic ........................................................................................................................ 11
1.1.13 clear lldp counters ....................................................................................................................12
1.1.14 clear lldp table ..........................................................................................................................13
1.1.15 debug lldp errors.......................................................................................................................13
1.1.16 debug lldp events .....................................................................................................................14
1.1.17 debug lldp packets....................................................................................................................15
1.1.18 debug lldp states ......................................................................................................................16
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LLDPConfiguration Commands
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Chapter 1 LLDP Configuration Commands
1.1 LLDP Commands
1.1.1 lldp run
Description
lldp run
no lldp run
To start up LLDP, run lldp run; to shut down LLDP, run no lldp run.
Parameter
None
Default
Shut down
Explanation
None
Command mode
Global configuration mode
Example
The following command is used to start up LLDP.
Console_config# lldp run
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LLDPConfiguration Commands
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1.1.2 lldp holdtime
Description
lldp holdtime time
no lldp holdtime
To configure the ttl value of LLDP, run lldp holdtime time. To resume the default
transmission delay, run no lldp holdtime.
Parameter
Parameter
Description
time
Storage time of the transmitted message, ranging between zero
to 65535 seconds
Default
120s
Explanation
None
Command mode
Global configuration mode
Example
The following example shows how to set the ttl value of LLDP to 100 seconds.
Console_config# lldp holdtime 100
Console_config#
1.1.3 lldp timer
Description
lldp timer time
no lldp timer
To configure the transmission delay of LLDP, run lldp timer time. To resume the
default transmission delay, run no lldptimer.
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LLDPConfiguration Commands
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Parameter
Parameter
Description
time
Interval for transmitting the LLDP message, ranging between 5
to 65534 seconds.
Default
30s
Explanation
The transmission interval of the LLDP message must be shorter than its storage time,
ensuring multiple updates in the storage time and preventing error which is led by
packet loss.
Command mode
Global configuration mode
Example
The following example shows how to configure the transmission interval of LLDP to 24
seconds.
Console_config# lldp timer 24
Console_config#
1.1.4 lldp reinit
Description
lldp reinit time
no lldp reinit
To configure the transmission delay of LLDP, run lldp reinit time. To resume the
default transmission delay, run no lldp reinit.
Parameter
Parameter
Description
time
Transmission delay of LLDP, whose values range from two to
five seconds
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LLDPConfiguration Commands
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Default
２s
Explanation
None
Command mode
Global configuration mode
Example
The following example shows how to set the transmission delay of LLDP to five
seconds.
Console_config# lldp reinit ５
Console_config#
1.1.5 lldp tlv-select
Description
lldp tlv-select tlv-type
no lldp tlv-select tlv-type
To add TLV which is transmitted by the LLDP message, run lldp tlv-select tlv-type. To
delete TLV which is transmitted by the LLDP message, run no lldp tlv-select tlv-type.
Parameter
Parameter
Description
tlv-type
TLVthat can be sent or not whose values are:
macphy-confg ,management-address
port-description ,port-vlan ,system-capabilities
system-description ,system-name
Default
All TLVs are sent.
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LLDPConfiguration Commands
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Explanation
Three mandatory TLVs must be sent.
Command mode
Global configuration mode
Example
The following example shows how to enable the port description not to be transmitted
in the message.
Console_config#no lldp tlv-select port-description
Console_config#
1.1.6 lldp transmit
Description
lldp transmit
no lldp transmit
To set the port to send the LLDP message, run lldp transmit. To forbid receiving the
LLDP message, run no lldp transmit.
Parameter
None
Default
Transmittable LLDP message mode
Explanation
Only after the LLDP module is started can the command be valid.
Command mode
Port configuration mode
Example
The following example shows how to set port f0/0 not to send the LLDP message.
Console_config_f0/0# no lldp transmit
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LLDPConfiguration Commands
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Console_config_f0/0#
1.1.7 lldp receive
Description
lldp receive
no lldp receive
To set the port to the receivable LLDP message mode, run lldp receive. To forbid
receiving the LLDP message, run no lldp receive.
Parameter
None
Default
Receivable LLDP message mode
Explanation
Only after the LLDP module is started can the configuration be valid.
Command mode
Port configuration mode
Example
The following example shows how to set port f0/0 to the LLDP message mode.
Console_config_f0/0# no lldp receive
Console_config_f0/0#
1.1.8 Show lldp errors
Description
Show lldp errors
It is used to display the error information about the LLDP module.
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LLDPConfiguration Commands
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Parameter
None
Default
None
Explanation
None
Command mode
EXEC/Global configuration mode
Example
The following example shows how to set port f0/0 to the LLDP message mode.
Console_config#show lldp errors
LLDP errors/overflows:
Total memory allocation failures: 0
Total encapsulation failures: 0
Total table overflows: 0
Console_config#
1.1.9 Show lldp interface
Description
Show lldp interface interface-name
To check the transmission and reception mode, run show lldp interface interface
name.
Parameter
Parameter
Description
interface-name
Name of the interface, such as f0/1 and fastethernet0/1
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LLDPConfiguration Commands
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Default
None
Explanation
After LLDP is started, you can check the state of the port.
Command mode
EXEC/global configuration mode
Example
The following example shows how to check the transmission and reception mode of
port f0/1.
Console_config#show lldp interface f0/1
FastEthernet0/1:
Rx: enabled
Tx: enabled
Console_config#
1.1.10 show lldp neighbors
Description
show lldp neighbors
It is used to display the simple information about neighbors.
Parameter
None
Default
None
Explanation
The command is used to display the simple information about neighbors.
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