Table 56: Virtual Chassis Components to Consider When Planning an EX4200, EX4500, and
EX4550 Virtual Chassis (continued)
Virtual Chassis Details
Junos OS Release Running
on the Member SwitchesVirtual ChassisComponents
You can interconnect up to two EX4500 switches and up to
eight EX4200 switches into a mixed Virtual Chassis.
EX4500 switches must always be configured in the master
and backup roles.
Junos OS Release 11.1EX4200,EX4500,and EX4550
switches
You can interconnect up to two EX4500 switches and up to
eight EX4200 switches into a mixed Virtual Chassis.
The same type of switch must act in the master and backup
roles.
Junos OS Releases 11.2 and 11.3
You can interconnect up to ten total EX4200 and EX4500
switches into a mixed Virtual Chassis .
Any switch can be configured in any role in any configuration.
Junos OS Release 11.4 or later
You can interconnect up to ten total EX4200, EX4500, and
EX4550 switches into a mixed Virtual Chassis.
Any switch can be configured in any role in any configuration.
Junos OS Release 12.2 or later
Table 57 on page 115 describes the cabling requirements for a Virtual Chassis.
Table 57: Cabling Requirements for a Virtual Chassis
Details
Virtual Chassis Cable
Lengths Supported
Distance Between Virtual
Chassis Members
You can interconnect EX4200, EX4500, and EX4550
switches into a Virtual Chassis through Virtual Chassis ports
(VCPs) using the 0.5-meter Virtual Chassis cable.
•
This Virtual Chassis cable is supplied with an EX4200
switch.
•
You must order this cable separately for EX4500 and
EX4550 switches, including EX4500 switches that are
shipped with a preinstalled Virtual Chassis module.
0.5 mUp to 0.5 m
You must order these cablesseparately for EX4200, EX4500,
and EX4550 switches, including EX4500 switches that are
shipped with a preinstalled Virtual Chassis module.
1 m, 3 m, and 5 m0.5 m through 5 m
115Copyright © 2017, Juniper Networks, Inc.
Chapter 10: Planning the Virtual Chassis
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