12.1(2)T New Features

• AAA Server Group Deadtimer

• Airline Product Set Enhancements

• DHCP Server Options Import and Autoconfiguration

• Bidirectional PIM

• Cisco IOS DHCP Relay Agent Support for Unnumbered Interfaces

• Cisco IOS Dynamic Host Configuration Protocol Client

• Class-Based Marking
  Formerly called QoS Packet Marking. This document contains information on IP Precedence marking, IP DSCP Marking, QoS Group Value Marking, CoS Value Marking, ATM CLP Setting, and Frame Relay DE bit setting.

• Class-Based Shaping

• Clearing the System's DS0's High Water Mark Value

• Configurable Timers in H.225

• Configuring Cisco MC3810 Series Concentrators to Use High-Performance Compression Modules

• Configuring the (Remote) Common Application Programming Interface for Cisco 800 Series Routers

• COPS for RSVP

• Dialer Idle Timer Inbound Traffic Configuration

• Dial Peer Enhancements

• Digital E1 Packet Voice Trunk Network Module Interfaces

• Disabling LANE Flush Process

• Ecosystem Gatekeeper Interoperability Enhancements, Phase 2

• Ethernet-like Interfaces MIB and Interfaces Group MIB Enhancements

• Frame Relay Header Compression Compatibility Enhancements

• Frame Relay Switching Enhancements

• Frame Relay-to-ATM Network Interworking (FRF.5)

• Frame Relay-to-ATM Service Interworking (FRF.8)

• FRF.12 Support on Additional Platforms

• FRF.12 Support on Switched Frame Relay PVCs

• Gatekeeper to Gatekeeper Redundancy and Load-Sharing

• H.323 Support for Virtual Interfaces

• Low Latency Queueing for Frame Relay

• MICA In-Band Framing Mode Control Messages

• NetFlow Minimum Prefix Mask for Router-Based Aggregation

• NTT PRI NFAS

• OC-3/STM-1 ATM Circuit Emulation Service Network Module

• OSPF Flooding Reduction

• PPPoE on Ethernet

• Preauthentication with ISDN PRI

• PRI and BRI QSIG Protocol Support on Cisco 2600, 3600, and MC3810 Series Routers and PRI QSIG on the Cisco 7200

• Simple Gateway Control Protocol Support on Cisco MC3810 and Cisco 3600 Series Routers

• Transparent CCS and Frame Forwarding Enhancements on the Cisco MC3810

• Trunk Conditioning Enhancements on Cisco MC3810 Series Concentrators

• Unicast Reverse Path Forwarding Enhancements

• Virtual Private Network Configuration for the Cisco 1700 Routers

• Virtual Profile Cisco Express Forwarding

• Voice Busyout Enhancements on the Cisco 2600 and 3600 Series Routers and MC3810 Series Concentrators

• Voice over ATM on Cisco 3600 Series Routers

• Voice over ATM with AAL2 Trunking on Cisco MC3810-V3 Concentrators

• Voice over Frame Relay Using FRF.11 and FRF.12 Configuration Updates
  Cisco IOS Release 12.1(2)T

• Voice over IP for Cisco MC3810 Series Concentrators

• Voice Port Enhancements in Cisco 2600 and 3600 Series Routers and MC3810 Series Concentrators

• Voice Port Testing Enhancements in Cisco 2600 and 3600 Series Routers and MC3810 Series Concentrators

• VoIP Authentication (UNI-OSP) Feature

• VPI Range Enhancement for the Cisco ATM IMA

• Cisco uBR7200 Series MPLS VPN Cable Enhancements
  Cable MPLS VPNs