in the VCF. All spine devices have at least one direct VCP connection to each leaf device
in the VCF. See
“Connecting a QFX5110 Device in a QFX5110 Virtual Chassis Fabric” on
for a cabling diagram.
Related
Documentation
QFX5110 Field-Replaceable Units on page 15
•
•
Channelizing Interfaces
•
QFX5110 Access Port and Uplink Port LEDs on page 16
•
Connecting QFX5110 and QFX5100 Members in a QFX5110 Virtual Chassis on page 95
•
Connecting a QFX5110 Device in a QFX5110 Virtual Chassis Fabric on page 96
QFX5110-32Q Port Panel
The port panel of the QFX5110-32Q primarily comprises 28 quad small form-factor
pluggable plus (QSFP+) ports and 4 quad small form-factor pluggable solution (QSFP28)
ports. The mixture of QSFP+ and QSFP28 ports allows for flexible configuration as either
32 ports of 40-Gigabit Ethernet or 20 ports of 40-Gigabit Ethernet and 4 ports of
100-Gigabit Ethernet for high-speed uplinks. The port panel also provides a central
location for the Precision Time Protocol (PTP) connections to a grandmaster clock.
This topic describes:
•
•
•
Channelizing Interfaces on page 13
•
Virtual Chassis and Virtual Chassis Fabric on page 15
Switch Overview
The ports on the QFX5110-32Q support 40-Gbps or 100-Gbps speeds natively. Of the 28
QSFP+ ports,
0
through
19
also support 10-Gbps speeds when the ports are configured
as Flexi-pic and channelized using QSFP+ to SFP+ DAC breakout (DACBO) cables.
Although all network ports can be configured as either uplink or as access ports, best
practice is to configure the four QSFP28 ports (
28
through
31
) as uplinks to take advantage
of the 100-Gbps speeds.
The port panel also provides PTP connections to a grandmaster clock. There are also
10-MHz pulses-per-second (PPS) SubMiniature B (SMB) input and output connections
to measure the timing drift to and from the grandmaster clock.
shows the port panel of the QFX5110-32Q.
Copyright © 2017, Juniper Networks, Inc.
12
QFX5110 Switch Hardware Guide
Summary of Contents for QFX5110
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