New Features in Release 12.0(21)S

• 1-Port Channelized OC-48/STM-16 ISE and 4-Port Channelized OC-12/STM-4 ISE Line Card Software Configuration for the Cisco 12000

• ATM OAM Ping

• BGP Received Routes MIB

• Bit Error Rate Testing

• EXEC Commands in Configuration Mode

• GRE Tunneling on Cisco 12000 Series Internet Routers

• IF-MIB Link Operational Status for Subinterfaces

• IP Source Tracker

• Fast-Path Multicast Forwarding on Cisco 12000 Series Engine 2 and ISE Line Cards

• Per Packet Load Balancing

• Secure Copy

• Show Command Output Redirection

• Single Ring Recovery Protocol

• Universal Transport Interface (UTI)