rmance Routing pgrade Installation
mance Routing Engine
ding to a PRE3
ould be performed by a
r who is familiar with the sole interface.
y trained and qualified
onnel are allowed to install, ace, 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.
•All new PRE3s are shipped with a helper image 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:
•
•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
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 proper install the primar you install a redu slot B, wait until and configured th slot A before inst PRE3 in slot B.
Step 1 Attach the ESD wrist to ensure you are pro
Step 2 Inspect the backplane chassis to make sure pins.
Step 3 Slide the module into feel it seat into the ba and Figure 2).
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