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Connecting a QFX5110 Device in a QFX5110 Virtual Chassis Fabric

 

A Juniper Networks QFX5110 Virtual Chassis Fabric (VCF) is constructed using a spine-and-leaf architecture and topology. In the spine-and-leaf architecture, each spine device is interconnected to each leaf device. QFX5110 VCFs support a maximum of 20 members in a VCF. Use QFX5110-32Q as either the spine or as a leaf device. Use QFX5110-48S, QFX5100-24Q, QFX5100-48S, QFX5100-48T, or QFX5100-96S models only as leaf devices.

Figure 1 shows cabling for a QFX5110 VCF with two QFX5110-32Q spine devices connected to four QFX5110-48S as leaf devices, all using all QSFP28 ports as VCPs.Figure 2 shows the cabling for a QFX5110 VCF using QFX5110-32Q as spines and QFX5100-24Q leaf devices.

Figure 1: All QFX5110 VCF
All QFX5110 VCF
Figure 2: QFX5110 VCF with QFX5100-24Q Leaf Devices
QFX5110 VCF with QFX5100-24Q
Leaf Devices