3
Cisco Performance Routing Engine (ESR-PRE2) Upgrade Installation
OL-24535-01
Upgrading to a PRE2
Step 5
Remove the media cards from the modules and set them aside.
Saving to the TFTP Server
Step 1
Connect to the primary PRE or PRE1 console.
Step 2
Save the startup configuration and running configuration to the TFTP server.
Removing the PRE or PRE1 Module
Note
Modules can be hot-swapped. However, removing a module terminates all traffic. We recommend that
you power down the router to ensure a successful installation.
Warning
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution
when servicing.
Statement 1034
Step 1
Ensure that you are properly grounded.
Step 2
Power down the router
Step 3
Disconnect the cables from the PRE/PRE1.
Step 4
Unscrew the captive screws.
Step 5
Simultaneously pivot both ejector levers away from each other to disengage the module from the
backplane.
Step 6
Slide the PRE/PRE1 out of the slot and place it on an anti-static surface or in an anti-static bag.
Step 7
If you are replacing a redundant PRE/PRE1, repeat
Step 3
through
Step 6
.
Installing a PRE2 Module
Note
To ensure proper operation, always install a single PRE2 in slot A. If you are installing a redundant PRE2
in slot B, wait until after you have installed and configured the primary PRE2 in slot A.
Equipment
ESD wrist strap
Replacement PRE2 modules
Step 1
Ensure that you are properly grounded.
