Cisco IOS Software Release 12.4T integrates a portfolio of new capabilities, including security, voice, and IP services, with powerful hardware support to deliver advanced services for enterprise and access customers. It will be issued as a series of regularly scheduled individual releases, which Cisco will ultimately consolidate to form the next major release....

Cisco IOS Software Release 12.4T integrates a portfolio of new capabilities, including security, voice, and IP services, with powerful hardware support to deliver advanced services for enterprise and access customers. It will be issued as a series of regularly scheduled individual releases, which Cisco will ultimately consolidate to form the next major release....

Cisco IOS Software Release 12.4T integrates a portfolio of new capabilities, including security, voice, and wireless, with powerful hardware support to deliver advanced services for Enterprise and access customers....

Cisco IOS Software is the world's leading network infrastructure software, delivering a seamless integration of technology innovation, business-critical services, and hardware support. Currently operating on millions of active systems, ranging from the small home office router to the core systems of the world's largest service provider networks, Cisco IOS Software is the most widely leveraged network infrastructure software in the world....