•
A spine or leaf device in a QFX5110 VCF (Junos OS Release 17.3R1 and later).
VCF uses QFX Virtual Chassis technology to interconnect multiple devices into a single logical device
and manage that device as a single logical device inside of a fabric architecture. You can configure up
to a total of 20 QFX5110 or QFX5100 devices in a VCF. Out of the 20 total devices, you can configure
a maximum of 4 spine devices. You can use these models in any combination as leaf devices:
•
QFX5100-24Q
•
QFX5100-48S
•
QFX5100-48T (Junos OS Release 17.3R2 and later)
•
QFX5100-96S
•
QFX5110-48S
NOTE: If only QFX5110-48S switches are available, cable and configure the switches as a
QFX5110 Virtual chassis.
NOTE: Unike a QFX5100 VCF, EX4300 switches are not supported in the QFX5110 VCF.
The QFX5110-48S can be used as:
•
A standalone switch (Junos OS Release 15.1X53-D210 and later).
•
A primary, backup, or line card in a QFX5110 Virtual Chassis (Junos OS Release 17.3R1 and later).
A QFX5110 Series Virtual Chassis allows you to connect up to 10 QFX5110 or supported QFX5100
switches into one logical device and manage the device as a single chassis using a ring topology. The
following QFX5100 switches are supported in a QFX5110 Virtual Chassis:
•
QFX5100-24Q
•
QFX5100-48S
•
QFX5100-96S
For a QFX5100 switch to participate in a QFX5110 Virtual Chassis, the switch must have the same
software version and image installed as the software running on the QFX5110 switches in the Virtual
Chassis. You do not need to configure mixed mode. In a QFX5110 Virtual Chassis, we recommend to
use QFX5110 switches in the primary and backup Routing Engine roles, and QFX5100 switches only in
the line card role.
•
A leaf device in a QFX5110 VCF (Junos OS Release 17.3R1 and later).
VCF uses QFX Virtual Chassis technology to interconnect multiple devices into a single logical device
and manage that device as a single logical device inside of a fabric architecture. You can configure up
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