QSFP+ uplink interfaces on standalone EX4600 switches can be congured into VCPs. All xed SFP+
interfaces on EX4600 can also be congured into VCPs.
BEST PRACTICE: Use the 40-Gigabit interfaces for the VCPs.
In a mixed Virtual Chassis of EX4600 and EX4300 switches, the Junos OS release dictates whether the
EX4600 is best used in the primary role. For Junos OS releases between 13.2X50-D10 and 14.1X53-
D25, use the use the EX4300 as a primary and backup RE in the Virtual Chassis. For Junos OS Release
14.1X53-D25 and later, the EX4600 is fully supported as the primary in a mixed Virtual Chassis of
EX4600 and EX4300. Ensure all members of the Virtual Chassis are running the same Junos OS Release
by issuing the show chassis version CLI command.
See for a diagram of how to cable two EX4600 switches and two EX4300 switches into a Virtual Chassis
for Junos OS Release 14.1X53-D25 and later.
Figure 37: Four Member Virtual Chassis with EX4600 Primary and Backup
SEE ALSO
Port Panel of an EX4600 Switch | 9
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