Guest

Cisco 7500 Series Routers

Cisco IOS Software Release 11.1(9)CA1


Revised March 28, 1997


Products Affected

Cisco IOS Software Release 11.1(9)CA1 replaces 11.1(9)CA. Cisco IOS Software Release 11.1(9)CA1 was developed from the 11.1(9)CA branch and resolves caveat CSCdi89690.

RSP Based Systems with:

PA-H

PA-2H

Cisco 7200 Systems with:

PA-H

PA-2H

Problem Description

Cisco IOS Software Release 11.1(9)CA1

  • Cisco IOS Software Release 11.1(9)CA1 integrates the solution for caveat CSCdi89690.

CSCdi89690 Symptom

  • VIP2 interface processors loaded with HSSI port adapters, in both slots, may experience CRCs, overruns, and underruns.

  • Cisco 7200 systems with HSSI ports may experience CRCs, overruns, and underruns.

Workaround/Solution

Workaround

If a software upgrade is not a option, the workaround is:

  • Remove the second HSSI port adapter. Only one PA-H port adapter should be installed on a VIP2.

  • There is no workaround for the Cisco 7200.

Solution

  • Upgrade the Cisco IOS to Cisco IOS Software Release 11.1(9)CA1 and follow the configurations recommended below.

Note:?As standard practice when installing new hardware, also upgrade the boot image (rsp-boot-mz.111-9.CA1 or c7200-boot-m.111-8.CA1) to the Cisco IOS version the hardware is released on or greater.

Supported Configurations

The following configurations are recommended after Cisco IOS Software Release 11.1(9)CA1 is installed.

RSP Based Systems:

  • Cisco recommends the following HSSI configurations on a single VIP2 until further notice.

VIP2-15, VIP2-20 or VIP2-40 configurations:

VIP2 Slot0

VIP2 Slot1

PA-H

blank

PA-H

PA-H

PA-2H

blank

Cisco 7200 Systems:

  • Cisco recommends installing no more than three PA-H in a Cisco 7200 system (PA-2H is not recommended at this time), while running Cisco IOS software Release 11.1(9)CA1, until further notice.

PA-H

Only 3 PA-H allowed in the Cisco 7200 system

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:

Receive Email Notification For New Field Notices

Product Alert Tool - Set up a profile to receive email updates about reliability, safety, network security, and end-of-sale issues for the Cisco products you specify.