Performance Routing Installation Guide

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Quick Start Guide
o
rmance Routing
p
grade Installation
mance Routing Engine
1-slot module that performs
e
r 3 packet routing and
g
Parallel eXpress Forwarding
ding to a PRE3
o
uld be performed by a
r who is familiar with the
s
ole interface.
y
trained and qualified
s
onnel are allowed to install,
a
ce, or service this
pment.
Considerations Before Upgrading
This hardware upgrade has an impact on user
traffic. The router is not available for user traffic
during the upgrade, and traffic cannot resume until
the upgrade is complete.
Caution PRE1s and PRE3s cannot operate in
the same chassis.
• AllnewPRE3sareshippedwithahelperimage
stored in boot flash memory, and without any
configuration.
• Make sure you save your configuration
information to a TFTP server before removing
the old PRE from the chassis.
Caution You cannot save the configuration
information to a PRE2 media card to
use in a PRE3. When you remove the
former PRE from the chassis local
configuration information is lost.
Saving the Startup and Running
Configuration Information
Use the following procedure to save the
configuration information to a TFTP server.
Step 1 Connect the console to the primary PRE.
Step 2 Save the startup configuration and
running configuration to the TFTP server.
Tools
Use the following tools to perform the upgrade:
• Phillips-head screwdriver
• ESD grounding wrist strap
Caution Always wear a grounding wrist strap
to prevent ESD damage to the module.
Removing the PRE Module
Use the following procedure to remove the existing
PRE module from the chassis.
Step 1 Attach the ESD wrist strap to the chassis
to ensure you are properly grounded.
Step 2 Power off the router.
Caution Although PRE modules can be
hot-swapped, removing a module
terminates all traffic. We recommend
that you power off the router to
ensure a successful installation.
Step 3 Disconnect all cables from the PRE.
Step 4 Loosen the top and bottom captive screws.
Step 5 Pivot both ejector levers simultaneously to
disengage the module from the backplane.
Step 6 Remove the PRE from the chassis and
place it on an antistatic surface or in an
antistatic bag.
Step 7 If you are replacing a redundant PRE,
repeat steps 3 though 6.
Installing the PRE3
M
Use the following procedure
t
module.
Caution To ensure prope
r
install the prima
r
you install a red
u
slot B, wait until
and configured t
h
slot A before ins
t
PRE3 in slot B.
Step 1 Attach the ESD wrist
to ensure you are pr
o
Step 2 Inspect the backplan
e
chassis to make sure
pins.
Step 3 Slide the module into
feel it seat into the ba
c
and Figure 2).