Cisco Cisco ONS 15454 SDH Multiservice Provisioning Platform (MSPP) Guía De Instalación

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Upgrading Cisco ONS 15454 SDH R4.x to R4.1.x Using the TCC2 Card
OL-4295-02
Before You Begin
Caution
This document supports Software R4.x only. If you want to upgrade from Software R3.3.x or R3.4.x, 
you must first upgrade to Release 4.0 and perform the TCCI to TCC2 card upgrade. See the Cisco ONS 
15454 SDH Software Upgrade Guide
, Release 4.0, to perform this upgrade.
Caution
The XCVXL card on the ONS 15454 SDH allows the intermixing of VC12 and VC3 payloads within a 
single VC4. When a VC4 contains only one VC12 tributary and at least one VC3 tributary and the VC12 
is deleted, the database becomes corrupt.
The database load process on the ONS 15454 SDH occurs during a TCC2 reboot, TCC2 protection 
switch, software activation, or database restore. When the database is loaded containing this corruption 
the load process fails, causing the corrupt database to be deleted from the TCC2 flash memory. The 
previous saved database is then loaded instead. When all saved databases on a TCC2 contain the 
corruption, the TCC2 will load with the default provisioning, and all existing provisioning will be lost.
If this issue occurs you will see a loss of either some or all provisioning after a TCC2 switch or reset. To 
ensure that your network is not vulnerable to this issue, you must first determine if the issue already 
exists within your network, and if so, correct it. You can detect the issue by using the SDH Circuit Repair 
Utility (VcCheck) provided on the ONS 15454 SDH Release 4.1.3 and 4.6 software CDs. The VcCheck 
tool is also available for download from CCO. Once you have alleviated immediate risk from the issue, 
you must upgrade to Release 4.6, or maintenance Release 4.1.3 (or any later release) to avoid further risk. 
The VcCheck utility and its associated README file (in the same directory with the tool) provide 
details on how to temporarily alleviate this issue before upgrading to a release in which the issue is 
resolved.
Note
Perform the procedures in this document in consecutive order unless otherwise noted. In general, you 
are not done with a procedure until you have completed it for each node that you are upgrading, and you 
are not done with the upgrade until you have completed each procedure that applies to your network. If 
you are new to upgrading the ONS 15454 SDH, you might want to check off each procedure on your 
printed copy of this document as you complete it. 
To upgrade Software R4.x to R4.1.x, you must complete the following tasks. Note that although some 
of these tasks do not appear in this document, they must still be completed in the order shown. Each 
section begins with an overview procedure, followed by a detailed procedure for each step.
1.
—Review this critical 
information and complete these critical procedures before beginning the upgrade process.
2.
—Complete the database backup to ensure 
that you have preserved your node and network provisioning in the event that you need to restore 
them.
3.
—Complete this procedure to upgrade 
the software. You must complete the entire procedure before the upgrade is finished.
4.
—Complete this procedure only if the 
Java Plug-in Security Warning dialog box appears while logging into CTC (Software R4.1.x).
5.
—As needed, complete this 
procedure to return to the software load you were running before activating the R4.1.x software.