Planning Ex4200, Ex4500, And Ex4550 Virtual Chassis - Juniper EX4200 Hardware Manual

Understanding Virtual Chassis Components
Understanding EX Series Virtual Chassis

Planning EX4200, EX4500, and EX4550 Virtual Chassis

Before interconnecting EX4200, EX4500, and EX4550 switches in a Virtual Chassis configuration:
Verify that the rack in which you will install the switches meets the requirements described in
Requirements" on page
racks.
Verify that the installation site meets the power requirements of the switches in a Virtual Chassis.
Verify that you have installed a Virtual Chassis module in an EX4500 switch running Junos OS releases
earlier than Release 11.4R1. The Virtual Chassis module must be installed in an EX4500 switch to form
a Virtual Chassis.
Table 37 on page 103 describes the Virtual Chassis components and the Junos OS release running on
switches that you need to consider when you plan your EX4200, EX4500, and EX4550 Virtual Chassis
configuration.
Table 37: Virtual Chassis Components to Consider When Planning an EX4200, EX4500, and EX4550 Virtual
Chassis
Virtual Chassis
Components
EX4200 switches only
EX4500 switches only
EX4550 switches only
66. You can mount the switches in a Virtual Chassis on a single rack or on multiple
Junos OS Release
Running on the Member
Switches
Junos OS Release 9.0 and
later
Junos OS Releases 11.1,
11.2, and 11.3
Junos OS Release 11.4 or
later
Junos OS Release 12.2 or
later
Virtual Chassis Details
You can interconnect two to ten EX4200 switches to
form a Virtual Chassis composed exclusively of EX4200
switches.
You can interconnect two EX4500 switches into a Virtual
Chassis composed exclusively of EX4500 switches.
You can interconnect up to ten EX4500 switches into a
Virtual Chassis composed exclusively of EX4500
switches.
You can interconnect up to ten EX4550 switches into a
Virtual Chassis composed exclusively of EX4550
switches.
103
"Rack