Planning EX3300 Virtual Chassis
Before interconnecting EX3300 switches in a Virtual Chassis configuration, you must
consider the following factors:
•
The number of switches in the Virtual Chassis and their location—You can interconnect
up to six EX3300 switches to form a Virtual Chassis composed exclusively of EX3300
switches.
•
Mounting—You can mount the switches in a single rack or install them on multiple
racks. For information on the size and strength of racks, see “Rack Requirements for
EX3300 Switches” on page 47.
•
Cabling requirements for Virtual Chassis—You can interconnect EX3300 switches into
a Virtual Chassis through uplink ports configured as Virtual Chassis ports (VCPs). By
default, ports 2 and 3 of any uplink module are configured as VCPs.
For information on uplink module port cabling requirements, see “Network Cable
Specifications for EX3300 Switches” on page 53.
•
Power requirements—You must plan the installation site to meet the power
requirements of the switches in a Virtual Chassis. See “Power Specifications for EX3300
Switches” on page 55.
Related
Documentation
Understanding EX3300, EX4200, and EX4500 Virtual Chassis Components•
• Understanding EX3300 Virtual Chassis Hardware Configuration on page 59
• Clearance Requirements for Airflow and Hardware Maintenance for EX3300 Switches
on page 50
Virtual Chassis Cabling Configuration Examples for EX3300 Switches
You can install EX3300 switches on a single rack or in multiple racks, or in different wiring
closets, and interconnect them to form a Virtual Chassis.
You form an EX3300 Virtual Chassis by connecting uplink port connections as Virtual
Chassis ports (VCPs). Ports 2 and 3 are configured as VCPs on all uplink modules by
default.
The physical location of the switches in a Virtual Chassis is restricted only by the maximum
length supported for cables to connect the VCPs—in this case, the maximum length of
the uplink module cables. The maximum cable length for the uplink module cables
supported by an EX3300 switch is 6.2 miles (10 km).
The following illustrations show various Virtual Chassis cabling configuration examples.
NOTE: For increased availability and redundancy, we recommend that you
always configure your Virtual Chassis in a ring topology.
Copyright © 2011, Juniper Networks, Inc.60
Complete Hardware Guide for EX3300 Ethernet Switches
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