Cisco IOS Software Release 12.4(6)T

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.

Release 12.4(6)T, the third release of the 12.4T family, delivers highly available firewalls, comprehensive endpoint and network security for Secure Socket Layer (SSL) VPN environments, and optimized bandwidth management for improved VoIP call quality, amongst other features.