New and Changed Feature Information

This table summarizes the new and changed feature information for the System Security Configuration Guide for Cisco NCS 5500 Series Routers, and tells you where they are documented.

System Security Features Added or Modified in IOS XR Release 7.6.x

Feature Description Changed in Release Where Documented

Lawful Intercept on Cisco NC57 line cards

The feature was introduced.

Release 7.6.1

Implementing Lawful Intercept

MACSec on NCS-57B1 Chassis 

This feature was introduced on the following variants of NCS-57B1 chassis:

Release 7.6.1

Configure MACSec