New Features in Release 12.3(4)T

• 1-Port ADSL WAN Interface Card

• ACL IP Options Selective Drop

• ACL Support for Filtering IP Options

• BCP Support

• BGP Configuration Using Peer Templates

• BGP Dynamic Update Peer-Groups

• BGP Policy Accounting Output Interface Accounting

• CEF Support for Dialer Profiles on Cisco 7500 Routers

• Cisco 1700 Series Voice Features for Cisco IOS Release 12.3(4)T

• Cisco CallManager Express 3.0
  Cisco CallManager Express (CME) was formerly known as Cisco IOS Telephony Services (ITS).

• Cisco Easy VPN Remote

• Cisco EtherSwitch Network Module

• Cisco IOS Certificate Server

• Cisco IOS IPv6 Configuration Library

• Cisco IOS Login Enhancements

• Cisco IOS MGCP Gateway Support for Cisco CallManager Network Specific Facilities

• Cisco IOS Software Feature Removal: CPP, CMPC, CTRC, LNM, TR-ISL, and TR-LANE

• Cisco IOS Tcl IVR and VoiceXML Application Guide

• Cisco Packet Data Serving Node (PDSN) Release 1.2

• Cisco SIP SRST

• Cisco Survivable Remote Site Telephony (SRST) Version 3.0

• Configuration Change Notification and Logging

• Contextual Configuration Diff Utility

• Control Plane Policing

• Customizable Tone Download to Cisco IOS MGCP Gateways from Cisco CallManager

• Default Session Application Enhancements

• DES/3DES/AES VPN Encryption Module (AIM-VPN/EPII, AIM-VPN/HPII, AIM-VPN/BPII Family)

• DHCP Address Allocation Using Option 82

• DHCP Authorized ARP

• DHCP Release and Renew CLI in EXEC Mode

• Digital Private Network Signaling System Backhaul

• Direct HTTP Enroll With CA Servers

• Distributed Multilink Frame Relay (FRF.16)

• Easy VPN Server

• Embedded Event Manager 1.0

• Enhanced ITU-T G.168 Echo Cancellation

• FHRP—Enhanced Object Tracking of Service Assurance Agent (SAA) Operations

• Firewall ACL Bypass

• Framed-Route in RADIUS Accounting

• GGSN Release 3.1

• H.323v4 Gateway Zone Prefix Registration Enhancements

• Hot Standby Router Protocol Version 2

• Import of RSA Keypair and Certificates in PEM Format

• Integrated IS-IS Global Default Metric

• Integrated IS-IS Protocol Shutdown Support Maintaining Configuration Parameters

• IP Communications Voice/Fax Network Module

• IP Security VPN Monitoring

• IP Traffic Export

• IS-IS Limit on Number of Redistributed Routes

• IS-IS Support for Priority-Driven IP Prefix RIB Installation

• L2TP Disconnect Cause Information

• L2TP Tunnel Connection Speed Labeling

• Memory Pool--SNMP Notification Support

• Memory Threshold Notifications

• Mobile IP Dynamic Security Association and Key Distribution

• Mobile Networks Deployment MIB

• Mobile Networks Dynamic Collocated Care-of Address

• Mobile Wireless Home Agent 1.2

• NetFlow Input filters

• Network-Based Application Recognition
  The NBAR and dNBAR features on all platforms for all Cisco IOS Releases are covered in this document.

• New Voice Features for Cisco IOS Release 12.3(4) T

• NextPort Voice Tuning and Background Noise Statistics with NextPort Dual-Filter G.168 Echo Cancellation

• OSPF MIB Support of RFC 1850 and Latest Extensions

• OSPF Support for Unlimited Software VRFs per Provider Edge (PE) Router

• PBR Support for Multiple Tracking Options

• Peer Pool Backup

• PIM Dense Mode Fallback Prevention in a Network Following RP Information Loss

• PPPoE Relay

• PPPoE Service Selection

• PPPoE Session Limit Per NAS Port

• Rate Limiting NAT Translation

• Real-time Resolution for IPSec Tunnel Peer

• Regex Engine Performance Enhancement

• RFC 2867 - RADIUS Tunnel Accounting

• Secure Shell Version 2 Support

• Service Assurance Agent (SAA) VoIP UDP Operation

• Service Selection Gateway (SSG) Features in Release 12.3(4)T

• Subscriber Profile Support

• Tunnel Authentication via RADIUS on Tunnel Terminator

• Unique Device Identifier Retrieval

• Using Certificate ACLs to Ignore Revocation Check and Expired Certificates

• V.120 Support Network Access Server (NAS)

• VLANs over IP Unnumbered Subinterfaces

• Voice Performance Statistics on Cisco Gateways

• VPN Access Control Using 802.1X Authentication

• VRF and MQC Hierarchical Shaping in PXF

• MSDP Compliance with IETF RFC 3618