Routing Engines And Switch Fabric - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Routing Engines and Switch Fabric

Copyright © 2010, Juniper Networks, Inc.
Figure 5: EX8216 Switch Rear
The EX8216 switch has a chassis-level LCD panel that displays Routing Engine and switch
fabric status as well as chassis components' alarm information for rapid problem
identification. The LCD panel provides a user-friendly interface for performing initial
switch configuration, rolling back a configuration, or restoring the switch to the factory
default configuration. See LCD Panel in an EX8200 Switch.
The EX8216 chassis midplane distributes the data, control, and management signals to
system components and distributes power throughout the system. See Midplane in an
EX8216 Switch.
System management and system control functions of an EX8216 switch are performed
by the Routing Engine (RE) module. An RE module contains a Routing Engine. The RE
modules are hot-insertable and hot-removable field-replaceable units (FRUs) that are
Chapter 2: Supported Hardware
45