•
AC Power Supplies on page 23
•
Fan Modules on page 23
Software
In a QFX3000 QFabric system, most Routing Engine tasks for all devices in the QFabric
system run on the QFX3100 Director device. The internal Routing Engines on each device
in the QFabric system continue to be responsible for functions local to their own devices,
such as environmental monitoring, system loading,and power management. The internal
Routing Engines communicate with the QFX3100 Director group through the control
plane network.
Physical Specifications
The QFX3100 Director device is two rack units (2 U) in size and designed to fit in
industry-standard 19-inch rack mount enclosures. See Figure 8 on page 22 and Figure 9
on page 22.
Figure 8: QFX3100 Director Device Front
CONSOLE
MGMT
HA
Ethernet appliance J34D
Slot
0
1
1
2
g050050
Status
LEDs
Network
modules
Front mounting
bracket
HDD
modules
The QFX3100 Director device has an LCD panel that displays the device name.
Figure 9: QFX3100 Director Device Rear
g050051
Fan
modules
AC power
supplies
Power
switch
Network Modules
The QFX3100 Director device supports two network modules. Each network module
contains four 1000BASE-T Gigabit Ethernet ports with RJ-45 connectors or four small
form-factor pluggable (SFP) ports. The ports connect to the control plane and
management network for the QFabric switch. The ports on the network modules are also
used to connect QFX3100 Director devices together to form a QFX3100 Director group.
Copyright © 2012, Juniper Networks, Inc.22
QFX3000 Hardware Documentation
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