12.2(20)S New Features

• Cisco Nonstop Forwarding

• Service Assurance Agent (SAA) Support for Frame Relay, VoIP, and MPLS VPN Monitoring

• Stateful Switchover

• Cisco 7304 Router Modular Services Card and Shared Port Adapter Software Configuration Guide

• Generic Routing Encapsulation Tunnel IP Source and Destination VRF Membership

• Cisco 7304 FPGA Bundling and Update
  First introduced in Cisco IOS release 12.1(10)EX

• Cisco 7304 High Availability
  Cisco 7304 High Availability includes the RPR, RPR+, and SSO features.

• PXF Logical Interface Options