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Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS
Troubleshooting
Problem
Solution
Related
Documentation
Example: Configuring Aggregated Ethernet High-Speed Uplinks Between a Virtual
Chassis Access Switch and a Virtual Chassis Distribution Switch
740
number ID assigned to the LAG formed by the Virtual Chassis. If no LAG is formed, the
value is
.
–1
To troubleshoot a Virtual Chassis configuration that is interconnected across wiring
closets, perform these tasks:
Troubleshooting Nonoperational VCPs
A uplink VCP shows a status of
Check the cable to make sure that it is properly and securely connected to the ports.
If the VCP is an uplink module port, make sure that it has been explicitly set as an uplink
VCP.
If the VCP is an uplink module port, make sure that you have specified the options
(
,
, and
pic-slot
port
member
Example: Configuring a Virtual Chassis with a Master and Backup in a Single Wiring
Closet on page 717
Example: Expanding a Virtual Chassis Configuration in a Single Wiring Closet on page 722
Example: Setting Up a Multimember Virtual Chassis Access Switch with a Default
Configuration on page 727
Setting an Uplink Module Port as a Virtual Chassis Port (CLI Procedure) on page 792
J-EX Series switches allow you to combine multiple Ethernet links into one logical interface
for higher bandwidth and redundancy. The ports that are combined in this manner are
referred to as a link aggregation group (LAG) or bundle. The number of Ethernet links
you can combine into a LAG depends on your J-EX Series switch model. See
"Understanding Aggregated Ethernet Interfaces and LACP" on page 867 for more
information.
This example describes how to configure uplink LAGs to connect a Virtual Chassis access
switch to a Virtual Chassis distribution switch:
Requirements on page 741
Overview and Topology on page 741
Configuration on page 743
Verification on page 745
Troubleshooting on page 746
down
.
) correctly.
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