Product |
---|
CRS - CRS-16-RP= |
CRS - CRS-8-RP/R |
CRS - CRS-8-RP= |
CRS16 - CRS-16-RP |
CRS8 - CRS-8-RP |
When upgrading from IOS-XR 3.0.x to 3.2.x, the installation will proceed but may appear to stall for an extended period of time when the applying the upgrade to components within the CRS router.
A problem is seen where the I2C bus, used for internal communication between components, stalls. This is not seen in all circumstances. When the bus stall occurs, intervention is required to restart the bus. The fix is integrated in Rommon 1.32. Application of this ROMMON version will prevent the bus stall from occuring.
Error message encountered with this issue:
shelfmgr[282]: %PLATFORM-SHELFMGR-6-EMPTY_SERIAL_BOOT_OVERRIDE : WARNING !!! WARNING !!! Received boot request from an RP with an empty rack serial number. Permitting RP to boot due to config override. Please use override carefully and remove if not needed anymore. Refer to customer documentation for additional information on override usage.
The fix is to upgrade to ROMMON 1.32 prior to upgrading to IOS-XR 3.2.x.
URL for ROMMON Install Process:
Upgrading and Downgrading ROM Monitor Software on Cisco CRS-1 Routers
Revision |
Date |
Comment |
---|---|---|
1.2 |
14-AUG-2007 |
Fixed link, |
1.1 |
06-JAN-2006 |
Added URL for Upgrade Instructions |
1.0 |
17-NOV-2005 |
Initial public release |
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