Cisco PRP-1= Especificaciones descargar pdf (Pagina 40)

OL-17436-01

Upgrading to the PRP

Pre-Staging Approach

In a pre-staging approach the PRP-3 is loaded with the necessary Cisco IOS XR Software Release 3.8.0

software image, optional PIEs, and SMUs in a standalone chassis. After PRP-3 is in working condition,

insert into PRP-2 chassis. To upgrade PRP-1 or PRP-2 with Cisco IOS XR software to PRP-3, perform

the following steps:

Step 1 Turboboot PRP-3 in a standalone chassis.

Step 2 Install the necessary PIEs, SMUs on the PRP-3.

Step 3 Remove the standby PRP-2 from the working Cisco XR 12000 Series Router.

Step 4 Insert the PRP-3 in the slot from where the standby PRP-2 has been removed. PRP-3 will become the

standby RP.

Step 5 Perform RP fail over from PRP-2 to PRP-3 after the RPs are synchronized. The PRP-3 becomes the

active RP.

Step 6 Confirm all the configurations are correct and traffic resumes.

Step 7 Remove the standby PRP-2.

Step 8 Insert another PRP-3 to form RP redundancy.

Upgrading GRP or PRP-1 or PRP-2 with Cisco IOS Software to PRP-3

This section discusses upgrading GRP or PRP-1 or PRP-2 with Cisco IOS software installed to PRP-3.

There are two approaches for upgrading PRP-1 or PRP-2 with Cisco IOS software to PRP-3:

• Turboboot Approach

• Pre-Staging Approach

Caution The upgrade procedure from Cisco IOS software to Cisco IOS XR software causes service interruption,

because the route processor switchover is not supported while upgrading from Cisco IOS software to

Cisco IOS XR software.

Turboboot Approach

The upgrade procedure for GRP or PRP-1 or PRP-2 with Cisco IOS software installed to PRP-3 is same

as the basic PRP-3 turboboot upgrade procedure.

Caution The turboboot process causes system downtime.

To upgrade PRP-1 or PRP-2 with Cisco IOS software to PRP-3 execute the following steps:

Step 1 Save the Cisco IOS Software configuration to a secured local computer.

Step 2 Convert the Cisco IOS Software configuration to Cisco IOS XR software configuration using the URL

http://sox.ecsforge.cisco.com/twiki/prod/bin/view/Sox/SoxTryOut

Step 3 Verify that the converted Cisco IOS XR software configuration has been successfully converted.

Step 4 Remove all the PRP-2 from the Cisco XR 12000 Series Router chassis.

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