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Configuring LLDP (CLI Procedure)
J-EX Series switches use Link Layer Discovery Protocol (LLDP) and Link Layer Discovery
Protocol–Media Endpoint Discovery (LLDP-MED) to learn and distribute device
information on network links. The information allows the switch to quickly identify a
variety of devices, resulting in a LAN that interoperates smoothly and efficiently.
This topic describes:
•
Enabling LLDP on Interfaces on page 2344
•
Configuring for Fast Start on page 2344
•
Adjusting LLDP Advertisement Settings on page 2344
•
Adjusting SNMP Notification Settings of LLDP Changes on page 2345
•
Specifying a Management Address for the LLDP Management TLV on page 2345
Enabling LLDP on Interfaces
LLDP is enabled on all interfaces by default. If it is disabled, you can enable LLDP by
configuring it on all interfaces or specific interfaces.
To configure LLDP on all interfaces or on a specific interface:
[edit protocols lldp]
user@switch#
set interface all
Configuring for Fast Start
You can specify the number of LLDP-MED advertisements sent from the switch in the
first second after it has detected an LLDP-capable device. The default is 3; to set it to
another value:
[edit protocols lldp]
user@switch#
set fast-start 8
Adjusting LLDP Advertisement Settings
You can adjust the following settings for LLDP advertisements for troubleshooting or
verification purposes. For normal operations, we recommend that you do not adjust these
settings from the default values.
•
To specify the frequency at which LLDP advertisements are sent (in seconds):
[edit protocols lldp]
user@switch#
set advertisement-interval 45
•
To determine the length of time LLDP information is held before it is discarded (the
multiplier value is used in combination with the
advertisement-interval
value):
[edit protocols lldp]
user@switch#
set hold-multiplier 5
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Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS
Summary of Contents for PowerConnect J-EX8208
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Page 383: ...CHAPTER 21 Configuration Statements for Power Management 311 ...
Page 387: ...CHAPTER 22 Operational Mode Commands for Power Management 315 ...
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Page 631: ...CHAPTER 41 Configuration Statements for System Monitoring 559 ...
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Page 1061: ...CHAPTER 56 Operational Mode Commands for Interfaces 989 ...
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Page 1297: ...CHAPTER 63 Operational Mode Commands for Bridging and VLANs 1225 ...
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Page 1461: ...CHAPTER 69 Operational Mode Commands for Spanning Tree Protocols 1389 ...
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Page 2215: ...CHAPTER 80 Operational Mode Commands for IGMP Snooping and Multicast 2143 ...
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