•
A mixture of QFX5100, QFX3600, and QFX3500 members–usethe QFX5100 switches
as master and backup whenever possible.
•
A mixture ofQFX5100, QFX3600, QFX3500, and EX4300 members. EX4300 switches
as the master or backup is not supported; use QFX5100 switches in these roles
whenever possible.
An all EX4300 member is simply considered an EX4300 Virtual Chassis. See
Understanding EX4300 Virtual Chassis.
If the QSFP+ interfaces are not available for VCP, 10-Gigbit interfaces can be used.
All members of the Virtual Chassis are required to run the same Junos OS Release. You
can check the version and release by issuing the show chassis version CLI command.
Cabling QFX3500 Switches in a QFX Virtual Chassis
Figure 63 on page 183 is the preferred cabling method using the 40-Gigabit QSFP ports.
See Figure 64 on page 184 for an alternative method using the 10-Gigabit SFP+ ports.
Figure 63: QFX3500 Using the 40G Ports as the VCPs
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183Copyright © 2016, Juniper Networks, Inc.
Chapter 13: Connecting the Switch to the Network
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