Cisco ONS 15454 Series Multiservice Provisioning Platforms

Field Notice: 15454-DS3-12-R1 Can Autoreset on Active TCC Soft Reset

Revised November 5, 2002

Products Affected




800-06785-01 (All Versions)

Cerent 454 (DS3 12 CKT)

CE-87-31-00001 (All Versions)

Cerent 454 (DS3 12 CKT)

CE-87-31-00023 (All Versions)

Problem Description

A soft reset of an active TCC can cause the 15454-DS3-12-R1 boards to reset. If the board is configured in a potection group, a protection switch will occur.


This issue was discovered during system test of Release 3.3 and has been corrected in Release 3.4. Release 3.3 is the only Release affected by this issue. Release 4.0 and subsequent maintenance releases of 4.0.x will continue to support this board. The 15454-DS3-12-R1 will not be supported in releases 4.1 and beyond due to the physical memory limits of the 15454-DS3-12-R1 board.

Problem Symptoms

During a soft reset of an Active TCC card, DS3 (R1) boards may reset. If the board is configured within a protection group, a protection switch will result.


This issue has been corrected in ONS 15454 Release 3.4. Version 3.4 is available for download from the Software Center on

Note:?ONS 15454 Release 4.0 will be the last version of software to support the 15454-DS3-R1. ONS 15454 Release 4.1 and later will not support the 15454-DS3-R1 and will raise an alarm on the system if this version board is inserted into a Release 4.1 or later system. If you are currently operating systems using the 15454-DS3-R1 board, it is recommended that you contact your sales team to order enhanced DS3 boards if you require DS3 capabilities in systems beyond ONS 15454 Release 4.0.

The following part numbers are orderable online or through you Account Manager and provide enhanced function to the 15454-DS3-12-R1=:

  • 15454-DS3-12=

  • 15454-DS3N-12=

  • 15454-DS3-12E=

  • 15454-DS3N-12E=


To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.



CSCdx35718 (registered customers only)

15454-DS3-R1 can autoreset on active TCC soft reset

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

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