These release notes support Cisco IOS Release 15.4M&T up to and including Cisco IOS Release 15.4(2)T. They are updated to describe new features and related documents.
Cisco IOS Release 15.4M&T provides the latest innovations for the world's most demanding networks and is designed to provide a unified network architecture that is stable, reliable, and secure. New features are fully integrated with extensive capabilities already available in Cisco IOS software to provide solutions for enterprise, service provider, and smart-grid.
Browse all support information for Cisco IOS Releases 15.4M&T or select another product.
http://www.cisco.com/c/en/us/td/docs/ios/15_4m_and_t/release/notes/15_4m_and_t.html
