Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 1036

Complete Software Guide for Junos
Troubleshooting
Problem
Solution
Problem
Solution
Related
Documentation
Example: Configuring an EX4200 Virtual Chassis Interconnected Across Multiple Wiring
Closets
932
®
OS for EX Series Ethernet Switches, Release 10.4
To troubleshoot the configuration of a multimember Virtual Chassis in a single wiring
closet, perform these tasks:
Troubleshooting Mastership Priority
You want to explicitly designate one member as the master and another as backup.
Change the mastership priority value of the member that you want to function as master,
assigning the highest mastership priority value to that member.
NOTE: These configuration changes are made through the current master,
SWA-0.
Configure mastership priority of member 0 to be the highest possible value.
1.
[edit virtual-chassis]
user@SWA-0# set member 0 mastership-priority 255
Set the mastership priority of another member that you want to function as the backup
2.
member as the same value:
[edit virtual-chassis]
user@SWA-0# set member 2 mastership-priority 255
Troubleshooting Nonoperational VCPs
The VCP interface shows a status of
Check the cable to make sure that it is properly and securely connected to the VCPs.
Example: Configuring an EX4200 Virtual Chassis with a Master and Backup in a Single
Wiring Closet on page 917
Example: Configuring an EX4200 Virtual Chassis Interconnected Across Multiple Wiring
Closets on page 932
Configuring an EX4200 Virtual Chassis (CLI Procedure) on page 981
Configuring an EX4200 Virtual Chassis (J-Web Procedure) on page 985
An EX4200 Virtual Chassis configuration is a very adaptable access switch solution. You
can install member switches in different wiring closets, interconnecting the member
switches by cabling and configuring uplink module ports and SFP network ports on
EX4200-24F switches as Virtual Chassis ports (VCPs).
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