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CHAPTER 8
Planning the Virtual Chassis
•
UnderstandingVirtualChassisHardwareConfigurationonanEX4200Switchonpage105
•
Planning the Virtual Chassis on page 106
•
Virtual Chassis Cabling Configuration Examples for EX4200 Switches on page 107
•
Adding a New Switch to an Existing Virtual Chassis Configuration (CLI
Procedure) on page 109
Understanding Virtual Chassis Hardware Configuration on an EX4200 Switch
Virtual Chassis is a feature in Juniper Networks EX4200 Ethernet Switches that allows
youtointerconnecttwo ormoreEX4200 switches,enabling them tooperateasaunified
single high bandwidth switch. Youcan interconnect a maximum of 10 EX4200 switches
throughthe dedicated 64-Gbps VirtualChassis ports (VCPs)or the uplink module ports
configured as VCPs to form a Virtual Chassis.All EX4200 switch models support Virtual
Chassis,andyoucaninterconnectdifferentmodels,offeringarangeofportconfigurations,
within the same Virtual Chassis.
The Virtual Chassis configuration includes designation of a master switch and a backup
switch,withallotherswitchesintheconfigurationdesignatedas"linecard"roleswitches.
Virtual Chassis operation is managed through the master switch. Each switch in the
Virtual Chassis is assigned a unique identifier that is displayed on the switch LCD.
Related Topics Understanding Virtual Chassis Components•
• Planning the Virtual Chassis on page 106
• Virtual Chassis Ports Connector Pinout Information for EX4200 Switches on page 81
• Virtual Chassis Cabling Configuration Examples for EX4200 Switches on page 107
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