Figure 39: Qfx-Em-4Q Expansion Module - Juniper QFabric QFX3000-G Hardware Documentation

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QFX3000-G QFabric System Hardware Documentation

A line card in a QFX5110 Virtual Chassis.

A QFX5110 Virtual Chassis must have a QFX5110-32Q as the master. Only QFX5110

switches and select models of QFX5100 can participate in a QFX5110 Virtual Chassis.

Junos OS Release 17.3R1 or later is required for QFX5110 Virtual Chassis.

A spine or leaf device in a standard QFX5100 Virtual Chassis Fabric (VCF).

VCF uses 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. VCF architecture supports up to 20 total devices in a spine and leaf

topology. Out of the 20 total devices, you can configure a maximum of 4 spine

A QFX5100 VCF uses QFX5100 devices as spines or leaf devices. You can also use

QFX3500, QFX3600, and EX4300 models as leaf devices in a QFX5100 VCF.

Whenever possible, configure the QFX5100-24Q as the spine device in a QFX5100

A leaf device in a QFX5110 VCF.

A QFX5110 VCF must have a minimum of two QFX5110-32Q as spine devices. Junos

OS Release 17.3R1 or later is required for QFX5110 VCF.

A satellite device in a Junos Fusion system.

Junos OS Release 14.2.3 or later is required for Junos Fusion.

The QFX5100-24Q switch has two bays on the port panel for optional expansion

modules. The QFX5100-24Q supports two expansion modules to increase port density:

QFX-EM-4Q, which provides four additional 40-Gigabit Quad SFP+ (QSFP+) ports.

Figure 39 on page

Figure 39: QFX-EM-4Q Expansion Module

EX4600-EM-8F, which provides eight additional 10-Gigabit Ethernet Enhanced Small

Form-Factor Pluggable (SFP+) or four 1-Gigabit Ethernet ports. See

Figure 40 on page

transceivers. Because SFP transceivers are larger than SFP+ transceivers,

attempting to stack SFP transceivers can cause internal damage to the

Use only the top four ports or the bottom four ports for SFP

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