New Features in Release 12.0(23)S

• 128-Line Input Access Control Lists on Cisco 12000 Series 8-Port OC-3 STM-1 ATM Line Cards

• Any Transport over MPLS (AToM)

• ATM Cell Loss Priority Setting on Cisco 12000 Series 8-Port OC-3 STM-1 ATM Line Cards

• ATM OAM Traffic Reduction

• ATM VC Bundle Management on Cisco 12000 Series 8-Port OC-3 STM-1 ATM Line Cards

• CISCO-ENTITY-PFE-MIB

• Dynamic Layer-3 VPNs (RFC 2547) Support Using Multipoint GRE (mGRE) Tunnels
  Describes the transport mechansism based on enhanced multipoint GRE technology for use in IP networks.

• Generic Routing Encapsulation Tunnel IP Source and Destination VRF Membership

• ACL IP Options Selective Drop

• Layer 2 Tunneling Protocol Version 3

• Link Bundling on Cisco 12000 Series Internet Routers

• MPLS Enhancements to Interfaces MIB

• MPLS Label Distribution Protocol (LDP)

• MPLS Static Labels

• MPLS Traffic Engineering and Enhancements

• MPLS Traffic Engineering (TE) - Link and Node Protection, with RSVP Hellos Support

• MPLS Virtual Private Networks (VPNs)

• MPLS VPN—Carrier Supporting Carrier

• MPLS VPN—Carrier Supporting Carrier—IPv4 BGP Label Distribution

• MPLS VPN—Interautonomous System Support

• MPLS VPN—Inter-AS—IPv4 BGP Label Distribution

• Multicast-VPN—IP Multicast Support for MPLS VPNs

• OSPF Shortest Path First Throttling

• OSPF Support for Fast Hellos

• SNMP Notification Support for VPNs

• SNMP Support over VPNs—Context-Based Access Control

• MPLS VPN—VRF Selection Based on Source IP Address

• Cisco Nonstop Forwarding

• Stateful Switchover

• Cisco IOS IPv6 Configuration Library