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Cisco 10000 Series Router Performance Routing Engine Installation

OL-3971-03

Upgrading from an ESR-PRE or ESR-PRE1 to an ESR-PRE2

Upgrade Procedures

This section contains several upgrade procedures:

• Upgrading the Primary PRE to an ESR-PRE2, page 26

• Upgrading the Secondary PRE of a Redundant Pair of PREs to an ESR-PRE2, page 28

• Reversing an Upgrade to an ESR-PRE2, page 29

Upgrading the Primary PRE to an ESR-PRE2

Follow this procedure to upgrade:

• A single PRE in a Cisco 10000 chassis that does not have a redundant, secondary PRE.

• The primary PRE in a Cisco 10000 chassis that has a redundant pair of PREs installed.

Step 1 Connect a terminal to the primary PRE.

Step 2 Save the startup and running configuration to a location on a TFTP server, or to a flash-based media card

(flash-disk or flash-memory) on the ESR-PRE or ESR-PRE1.

If you save to a flash-based media card, and you have a redundant pair of ESR-PREs or ESR-PRE1s

installed in the chassis, be sure that you save the startup and running configuration to both flash-based

media cards on both ESR-PREs or ESR-PRE1s.

Caution When the ESR-PRE or ESR-PRE1 is removed from the chassis, any local configuration will

be lost. You must save your configuration.

Step 3 Power down the router. All the traffic on the router is terminated.

Note PREs can be hot-swapped. However, since removing a PRE terminates all traffic, we recommend

that you power down the router to ensure a successful installation.

Step 4 Remove the ESR-PRE or ESR-PRE1 (or both PREs in a redundant configuration) from the chassis by

following the procedure in the “Removing a PRE” section on page 17.

Step 5 Insert the ESR-PRE2 into slot A of the chassis by following the procedure in the “Installing a PRE”

section on page 13. If you have a second, redundant ESR-PRE2 to install, set it aside for installation later

in this procedure.

Note Although a PRE can be installed in slot B, to ensure proper operation, we recommend that you

install a single, non-redundant PRE in slot A.

Step 6 If you saved the startup and running configuration to a flash-based media card in Step 2, remove the flash

media from the ESR-PRE or ESR-PRE1 and insert it into the ESR-PRE2. Otherwise, proceed to step 7.

Step 7 Power up the router. The router boots up in read-only memory (ROM) monitor mode.

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Cisco 10005 Guía de instalación Pagina 26