Cisco 10000 Series Installationshandbuch - Seite 7

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Cisco 10000 Series Installationshandbuch

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Note

From the ESR-PRE1 console and the ESR-PRE2 console, you may see error messages such as

to assert Cutover alarm RP A/or B

because they do not affect operation of the system.

Now you should test the 12.2SBB image to determine whether or not a rollback to the previous image is

Note

needed. To roll back, see the

After you have verified correct operation of the ESR-PRE2, replace the standby ESR-PRE1 with a

Step 12

second ESR-PRE2. Bring it up and load the new image onto bootflash as follows:

Reload the second ESR-PRE2. It will autoboot the new image from the bootflash and come up as the

Step 13

standby. The console will display the following messages:

PRE2>

Standby console disabled

PRE2>

Standby console disabled

At this point, the system should be operating as a dual-PRE redundant 12.2(28)SB system in the

configured mode (either SSO or RPR+), running the properly modified startup configuration. You can

verify the redundancy status using the show redundancy or show redundancy state command.

Enter the write memory command from the active console to bring the startup configuration up to date

Step 14

on the active and standby ESR-PRE2s.

Rollback Procedure for Option 3

If the active ESR-PRE2 does not operate satisfactorily after

to revert to the original ESR-PRE1 operating as the active processor. You must do so before you perform

Step

To change back to the ESR-PRE1:

Step 1

Make sure the ESR-PRE1 is up as the standby PRE (see

Step 2

Remove the active ESR-PRE2 from the chassis. Service will be disrupted as the standby ESR-PRE1

becomes the active standalone.

OL-8833-01

If the ESR-PRE1 config-register is set to 0x0, it will boot to ROM monitor. Boot the ESR-PRE1

image from ROM monitor and wait for to come up as standby in RPR mode with the console

disabled.

If the ESR-PRE1 config-register is set to 0x2 and the autoboot string is set to boot the ESR-PRE1

image, it will come up as standby in RPR mode with the console disabled.

"Rollback Procedure for Option 3" section on page

From the newly installed ESR-PRE2 boot image console, copy the 12.2(28)SB image from the TFTP

server to the bootflash using the copy tftp bootflash:image_name command.

From the newly installed ESR-PRE2 console, use the dir bootflash command to verify that the

12.2(28)SB image is in the bootflash. Configure the ESR-PRE2 to autoboot using the boot system

bootflash:mage-name and config-register 0x2 configuration commands. Save the configuration

using the write memory command.

12.

Upgrade Option 3: ESR-PRE1 Upgrade with RPR Switchover

outgoing IPC bypass failed

Step

Upgrading to Cisco IOS Release 12.2(28)SB on a Cisco 10000 Series Router

. You can ignore these messages.

Step

11, you can initiate a second switchover

11).

Failed