Cisco Carrier Routing System

March 19, 2013

NOTICE:

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Revision History

Revision	Date	Comment
1.0	19-Mar-2013	Initial Public Release

Products Affected

Products Affected
Carrier Routing System (CRS):
CRS-16-PRP-12G(=)
CRS-16-PRP-6G(=)

Problem Description

Modified versions of CRS-16-PRP-6G or CRS-16-PRP-12G do not boot in IOS-XR Release 4.0.3 and 4.1.0.

Background

A modified version of CRS-16-PRP-6G and CRS-16-PRP-12G has these changes:

• Sponge A ASIC changed to Sponge B ASIC
• FCRAM

Problem Symptoms

Modified versions of CRS-16-PRP-6G or CRS-16-PRP-12G does not boot in IOS-XR versions 4.0.3 and 4.1.0.

Here are the console logs for modified version of CRS-16-PRP-6G or CRS-16-PRP-12G without software support:

Workaround/Solution

Mandatory Software Maintenance Upgrades (SMU) are required for CRS-16-PRP-6G or CRS-16-PRP-12G for IOS XR Release 4.0.3/4.1.0. 

Support for the modified hardware versions of CRS-16-PRP-6G and CRS-16-PRP-12G has been integrated in IOS XR Release 4.0.4, 4.1.1 and 4.2.0. 

Recommendations 

For customers running the IOS XR Releases 4.0.3 and 4.1.0, ensure the mandatory SMUs are installed and activated. 

With your cisco.com userid, go to the Software Download page for CRS and select the CRS's Product type and IOS-XR version. Refer to this table to help you make your selection for the SMU.

CRS IOS-XR Release	SMU ID	Description
4.0.3	AA05753	CRS-PRP Half fcram channel SMU for IOS-XR 4.0.3
4.1.0	AA05754	CRS-PRP Half fcram channel SMU for IOS-XR 4.1.0

DDTS

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

DDTS	Description
CSCto18714 (registered customers only)	CRS-PRP Half fcram channel SMU for IOS-XR Release 4.0.3 and 4.1.0.

Cisco IOS Versions Affected

Cisco IOS-XR Release 4.0.3 and 4.1.0

How To Identify Hardware Levels

Physical Cards

Refer to the images provided herein to identify the board's version and serial number location.

CRS-16-PRP-12G and CRS-16-PRP-6G= (Old version of card)

CRS-16-PRP-12G and CRS-16-PRP-6G= (New version of the card)

Here is the CLI Output for CRS-16-PRP-12G= VE card.

Frequently Asked Questions

Q: How do I know if a CRS-16-PRP-6G/CRS-16-PRP-12G is a modified version?

A: Modified versions of the CRS-16-PRP-6G/CRS-16-PRP-12G can be identified via the Assembly Part Number.

Original version:
CRS-16-PRP-6G: 800-33130-XX
CRS-16-PRP-12G: 800-33640-XX

Modified version:
CRS-16-PRP-6G: 800-33130-08
CRS-16-PRP-12G: 800-33640-08

Q: Does the component change have any functional/performance impact on the PRP?

A: No

Q: Is there any component change on the CRS-8-PRP-6G/CRS-8-PRP-8G?

A: No

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:

• Open a service request on Cisco.com
• By email
• By telephone

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