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request virtual-chassis mode mixed

Syntax

Release Information

Command introduced in Junos OS Release 11.1 for EX Series switches.

Description

Configure an EX4200, EX4500 switch, or EX4550 switch as a member of a mixed EX4200 and EX4500 Virtual Chassis, mixed EX4200 and EX4550 Virtual Chassis, or mixed EX4200, EX4500, and EX4550 Virtual Chassis.

You only need to enter this command when an EX4200 switch is part of a Virtual Chassis with EX4500 or EX4550 switches. You should not enter the command to configure a mixed EX4500 and EX4550 Virtual Chassis.

To avoid potential traffic disruptions and configuration issues, we recommend entering this command and rebooting the member switch before cabling it into the mixed Virtual Chassis if you are cabling the mixed Virtual Chassis for the first time. You can enter this command after cabling the switch into the mixedVirtual Chassis, however.

The switch or switches must be rebooted for this command to take effect.

When you do not use this command to set any switches in a mixed EX4200 and EX4500 Virtual Chassis to mixed mode, a mixed EX4200 and EX4500 Virtual Chassis forms with one of the switches assuming the master role if the switches are running Junos OS Release 11.4 or later. All other switches in the mixed EX4200 and EX4500 Virtual Chassis are placed into the linecard role. If you experience this issue, you should enter the request virtual-chassis mode mixed all-members command to set the Virtual Chassis mode to mixed for all switches in the Virtual Chassis. You will then need to reboot the switches to complete the procedure. The Virtual Chassis will form after all of the switches have rebooted.

If you set some of the switches in the mixed EX4200 and EX4500 Virtual Chassis, mixed EX4200 and EX4550 Virtual Chassis, or mixed EX4200, EX4500, or EX4550 Virtual Chassis to mixed mode using this command but not others, the mixed Virtual Chassis will not form. If you experience this issue, enter the request virtual-chassis mode mixed all-members command to set the Virtual Chassis mode to mixed for all switches in the Virtual Chassis. You will then need to reboot the switches that have been set into mixed mode to complete the procedure. The Virtual Chassis will form after the switches have rebooted.

Do not enable the request virtual-chassis mode mixed command for a standalone EX4200, EX4500, or EX4550 switch, or for any member switch that is intended to remain in an EX4200 or EX4500 Virtual Chassis. Enabling this command reduces the maximum scaling numbers for some features on the switch.

Note: When mixed mode is enabled, the switch compares the maximum scaling numbers of some features on an EX4200 switch to the same features on an EX4500 or EX4550 switch. The switch then scales the maximum values down to the lowest maximum scaling number between the switches. This downward scaling is necessary to form a mixed Virtual Chassis.

The Virtual Chassis mode setting is maintained through reboots even though it is set in operational mode.

Options

Required Privilege Level

system-control

List of Sample Output

Sample Output