Feature History

The following table lists the new and modified features supported in the IOT Serial Controller Configuration Guide in Cisco IOS XE 17 releases.

Feature Description

Cisco IOS XE Cupertino 17.9.1

Hitless Switching on C37.94 Interface Module

Hitless switching protection describes the ability to switch between the active and backup paths without losing packets when an active path fails. This feature ensures uninterrupted continuous service and maintains an extremely high-reliability rating.

Cisco IOS XE Bengaluru 17.4.1

Support for A900-IMA6EM and A900-IMA4C3794 on A900-RSP3C-400-S and Cisco A900-RSP3C-200

This feature supports A900-IMA6EM and A900-IMA4C3794 interface modules on the Cisco A900-RSP3C-400, and on slot 4 on Cisco A900-RSP3C-200.