Cisco Cisco IOS XR Software Release 3.9

No shut on Sonet Controller

No workaround.

None

Convergence values not consistent on bundle member shut on E3 & E5 LCs

Symptom:

Traffic loss during bundle member removal. The impact will be higher if a Service policy is applied 
to the bundle interface. The impact is occurring due to reprogramming of Bundle adjacency in Rx 
Engine and Tx Engine and when QoS Policy is applied, then TCAM entry modification is also 
required to take care of bandwidth modification.

A link bundle with traffic flowing over it

None.

Cisco IOS XR software is installed and activated from modular packages, allowing specific features or 
software patches to be installed, upgraded, or downgraded without affecting unrelated processes. 
Software packages can be upgraded or downgraded on all supported card types, or on a single card 
(node). 

Software packages are installed from package installation envelope (PIE) files that contain one or more 
software components.

The following URL contains links to information about how to upgrade Cisco IOS XR software:

Cisco IOS XR Software Release 3.9.1 requires a 2-GB Flash Disk as a minimum. Therefore, you must 
upgrade an existing PCMCIA 1-GB Flash Disk to 2 GB before upgrading to Cisco IOS XR Software 
Release 3.9.1. For more information, see the 

For information on troubleshooting Cisco IOS XR software, refer to the Cisco IOS XR Troubleshooting 
Guide for the Cisco XR 12000 Series Router and the Cisco IOS XR Getting Started Guide for the Cisco 
XR 12000 Series Router.