Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 1081

Troubleshooting
Problem
Solution
Related
Documentation
Example: Configuring Automatic Software Update on EX4200 Virtual Chassis Member
Switches
Copyright © 2010, Juniper Networks, Inc.
To troubleshoot a Virtual Chassis configuration that is interconnected across wiring
closets, perform this task:
Troubleshooting Nonoperational VCPs
An uplink VCP shows a status of
Check the cable to make sure that it is properly and securely connected to the interfaces.
If the VCP is an uplink module interface, make sure that it has been explicitly set as an
uplink VCP.
If the VCP is an uplink module interface, make sure that you have specified the options
( , , and
pic-slot port member
Example: Configuring an EX4200 Virtual Chassis with a Master and Backup in a Single
Wiring Closet on page 917
Example: Expanding an EX4200 Virtual Chassis in a Single Wiring Closet on page 922
Example: Setting Up a Multimember EX4200 Virtual Chassis Access Switch with a
Default Configuration on page 927
Setting an EX4200 Switch Uplink Module Port as a Virtual Chassis Port (CLI Procedure)
on page 994
Reverting to the Default Factory Configuration for the EX Series Switch on page 415
The automatic software update feature automatically updates the Junos OS version on
prospective member switches as they are added to a Virtual Chassis configuration of
EX4200 switches so the new member switch immediately joins the EX4200 Virtual
Chassis configuration and is put in the active state. If the software version on the new
switch is not the same as the version running on the master, the master keeps the new
switch in the inactive state. If you have not enabled the automatic software update
feature, you will have to manually install the correct software version on each prospective
member switch as it is added to the Virtual Chassis configuration.
This example describes how to configure the Virtual Chassis automatic software update
feature:
Requirements on page 978
Overview and Topology on page 978
Configuration on page 978
Verification on page 979
Chapter 38: EX4200 Virtual Chassis—Configuration Examples
.
down
) correctly.
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