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Cisco Feature Navigator - Cisco Systems 

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5/25/2012 

Cisco Feature Navigator 

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Objective: Define a specific software image in order to view its supported features. 

Select from the pull down menus to find releases which support particular platform and feature set combinations.View your results in the table below and repeat 

as necessary to define a specific software image. 

Your Selections: 

All Software 

Orderable Software Only 

Platform 5915 

Software 

IOS 

Major Release 

15.2GC 

Release 

15.2(1)GC 

Feature Set/License(s) ADVANCED ENTERPRISE SERVICES 

New Search 

Search Results 

Image Info 

Image Name 

c5915-adventerprisek9-mz.SPA.152-1.GC.bin 

DRAM / Min Flash 512 / 256 

Enterprise Product Number 

S591AESK9-15201GC 

S591AESK9-15201GC= 

Compare Images View MIBs Release Notes Image Download 

Features 

Note:A feature may appear in more than one technology. 

Features 

802.1p CoS - PPP & PPPoE Control Frames 

AAA Authorization and Authentication Cache 

AAA Broadcast Accounting 

AAA Broadcast Accounting - Mandatory Response Support 

AAA Call Trace Messages 

AAA CLI Stop Record Enhancement 

AAA DNIS Map for Authorization 

AAA Double Authentication Secured by Absolute Timeout 

AAA Per-User Scalability 

AAA Resource Accounting 

AAA Server Group 

AAA Server Group Deadtimer 

AAA Server Group Enhancements 

AAA Server Groups Based on DNIS 

AAA Support for MSCHAPv2 Password Aging 

AAA-PPP-VPDN Non-Blocking 

AAL1 CES on AIM-ATM 

Ability to Disable Xauth for Static IPsec Peers 

Accounting of VPDN Disconnect Cause 

Accounting server connectivity failure and recovery detection 

ACL - Ability to Filter on the TTL Value 

ACL - Reflexive Access Lists 

ACL - Support for Non-Contiguous Port Ranges on an ACE 

ACL - TCP Flags Filtering 

ACL Authentication of Incoming RSH and RCP 

ACL Default Direction 

ACL IP Options Selective Drop 

ACL Manageability 

ACL Sequence Numbering 

ACL Support for Filtering IP Options 

ACL syslog Correlation 

ACL-based RBSCP 

Active Probe Source Address 

Adaptive Frame Relay Traffic Shaping for Interface Congestion





Additional PDL Support for NBAR 

Additional Vendor-Proprietary RADIUS Attributes 

Address Resolution Protocol (ARP) 

ADSL - Asymmetric Digital Subscriber Line Support 

Advanced Encryption Standard (AES) 

Advanced Voice Busyout (AVBO) 

Always On Dynamic ISDN (AO/DI) 

Always On Dynamic ISDN (AO/DI) Enhancements 

Analog Centralized Automatic Message Accounting E911 Trunk 

Analog DID (Direct Inward Dial) 

ANI Suppression - During L2TP Set-Up 

Answer Supervision Reporting 

Application Firewall - Instant Message Traffic Enforcement 

Application Inspection And Control for HTTP - Phase 2 

Application Inspection and Control for SMTP 

ARP Optimization 

ARP-Auto Logoff 

Asynchronous Call Queueing by Role 

Asynchronous Rotary Line Queuing 

Asynchronous Serial Traffic Over UDP (aka UDPTN) 

ATM Cell Loss Priority (CLP) Setting 

ATM Conditional Debug Support 

ATM OAM Loopback Mode Detection 

ATM OAM Traffic Reduction 

ATM PVC F5 OAM Recovery Traps 

ATM PVC Trap Enhancements for Segment and End AIS/RDI failures 

ATM VP Average Traffic Rate 

ATM-DXI 

Attribute Filtering Per-Domain and VRF Aware Framed-Routes 

Attribute Screening For Access Requests 

Auditing Raw Buffers on a Channel Associated Signaling Interface 

Authentication Proxy Accounting for HTTP 

AutoInstall over Frame Relay-ATM Interworking Connections 

AutoInstall Using DHCP for LAN Interfaces 

Automatic modem configuration 

AutoRP Enhancement 

Bandwidth Allocation Control Protocol (BACP) 

Bandwidth-Based Call Admission Control (CAC) for IP Multicast 

BFD - Static Route Support 

BGP 

BGP - Remove/Replace Private AS Filter 

BGP 4 

BGP 4 Multipath Support 

BGP 4 Prefix Filter and In-bound Route Maps 

BGP 4 Soft Config 

BGP Conditional Route Injection 

BGP Configuration Using Peer Templates 

BGP Convergence Optimization 

BGP Cost Community 

BGP Cost Community Support for EIGRP MPLS VPN PE-CE 

BGP Dynamic Neighbors 

BGP Dynamic Update Peer-Groups 

BGP Event Based VPN Import 

BGP Hide Local-Autonomous System 

BGP Hybrid CLI Support 

BGP Increased Support of Numbered as-path Access Lists 

BGP Link Bandwidth 

BGP Multicast Inter-AS (IAS) VPN 

BGP Multipath Load Sharing for Both eBGP and iBGP in an MPLS-VPN 

BGP Named Community Lists 

BGP Neighbor Policy 

BGP Per Neighbor Graceful Restart Configuration





BGP Per Neighbor SOO Configuration 

BGP Prefix-Based Outbound Route Filtering 

BGP Reduction in Transient Memory Usage 

BGP Restart Neighbor Session After max-prefix Limit Reached 

BGP Route-Map Continue 

BGP Route-Map Continue Support for Outbound Policy 

BGP Route-Map Policy List Support 

BGP RT changes without PE-CE neighbor impact 

BGP Selective Address Tracking 

BGP Soft Reset 

BGP Support for 4-byte ASN 

BGP Support for Dual AS Configuration for Network AS Migrations 

BGP Support for Fast Peering Session Deactivation 

BGP Support for IP Prefix Import from Global Table into a VRF Table 

BGP Support for Named Extended Community Lists 

BGP Support for Next-Hop Address Tracking 

BGP Support for Sequenced Entries in Extended Community Lists 

BGP Support for TCP Path MTU Discovery per Session 

BGP Support for TTL Security Check 

Bidirectional PIM 

BRI QSIG Protocol 

Bridge Control Protocol (BCP) Support 

Bridge/Transparent support for Authentication Proxy 

Bridged 1483 Encapsulated Traffic over ATM SVCs 

Busyout Monitor Gatekeeper 

Cache Control Enhancements for Certification Revocation Lists 

Call Admission Control for H.323 VoIP Gateways 

Call Admission Control for IKE 

Call Detail Records (CDR) Comma Separated Value Format with FTP and Flash storage 

Call Detail Records (CDR) Feature Correlation ID for Supplementary Features 

Call Escalation from Voice to Video 

Call Failure Recovery (Rotary) on the Cisco Multiservice IP-to-IP Gateway 

Call Release Source Reporting in Gateway-Generated Accounting Records 

Call Restriction Regulations for CME sales in India 

Call statistics on voice-enabled gateways 

Call Status Tracking Optimization 

Caller ID 

Caller ID on Analog Voice Interfaces 

Calling Station ID Attribute 31 

CallManager Express (CME) 3.0 




CallManager Express (CME) 4.0(1) 

CallManager Express 4.0(2) 

CallManager Express 4.0(3) 

CallManager Express SIP Station-Side Enhancements 

CDP (Cisco Discovery Protocol) Version 2 

CDR Support for SRST Operational Mode, CME Call Hold Duration and Shared Line Identification 

CEF on Multipoint GRE Tunnels 

CEF Support for Dialer Profile 

CEF Support for IP Routing between IEEE 802.1Q vLANs 

CEF Support for L4 Port-Based Load Balancing 

CEF/dCEF - Cisco Express Forwarding 

CEFv6 Switching for 6to4 Tunnels 

CEFv6/dCEFv6 - Cisco Express Forwarding 

Certificate - Authority (CA) Key Rollover 

Certificate - Auto Enrollment 

Certificate - Enrollment Enhancements 

Certificate - Security Attribute-Based Access Control 

Certificate - Storage Location Specification 

Certificate - Complete Chain Validation





Certificate IP Address Extension Support 

Certification Authority Interoperability (CA) 

CGMP - Cisco Group Management Protocol 

Challenge Handshake Authentication Protocol (CHAP) 

Channel Bank 

Circuit Interface Identification Persistence for SNMP 

Cisco Discovery Protocol (CDP) over ATM 

Cisco Easy VPN Remote 

Cisco Express Forwarding - SNMP CEF-MIB Support 

Cisco IOS 4096-Bit Public Key Support 

Cisco IOS Certificate Server 

Cisco IOS Firewall - SIP Enhancements: ALG and AIC 

Cisco IOS Login Enhancements 

Cisco IOS Resilient Configuration 

Cisco IOS SHA-2 Support for PKI 

Cisco IOS Shell 

Cisco IOS Telephony Service (ITS) Version 2.01 



Cisco IOS USB Token PKI Enhancements - Phase 2 

Cisco Unified Border Element Support for Configuring Error Response Code Upon Out-of-dialog OPTIONS Ping Failure 

Cisco Unified Border Element (formally Multiservice IP-to-IP Gateway) with Media Flow-Around 

Cisco Unified Border Element Support for SRTP-RTP Internetworking 

Cisco Unified Communications Manager Express 4.2 : Media Encryption (SRTP) 

CISCO-IP-URPF-MIB Support 

Class Based Ethernet CoS Matching & Marking (802.1p & ISL CoS) 

Class Based Weighted Fair Queuing (CBWFQ) 

Class-Based Frame-Relay DE-Bit Matching and Marking 

Class-Based Marking 

Class-Based Packet Marking Enhancements 

Class-Based Policing 

Class-Based Shaping 

Classless InterDomain Routing (CIDR) IP Default Gateway 

Clear IP Traffic CLI 

CLI for Displaying Certificates in Cisco IOS (Manageability Enhancement) 

CLI String Search 

CLI Views 

CME (Communications Manager Express) 7.0 / SRST (Survivable Remote Site Telephony) 7.0 

CME (Communications Manager Express) 8.0 / SRST (Survivable Remote Site Telephony) 8.0 

CME 8.6 

CME and SRST Features Enhancement forSCCP and SIP 

CME CSTA CTI protocol suite 

CME Video 

CME/SRST 8.8 

CNS - Agents SSL Security 

CNS - Configuration Agent 

CNS - Enhanced Results Message 

CNS - Event Agent 

CNS - Flow Through Provisioning 

CNS - Frame Relay Zero Touch 

CNS - Image Agent 

CNS - Security Enhancement 

CNS Config Retrieve Enhancement with Retry and Interval 

Command Scheduler (Kron) 

Command Scheduler (Kron) Policy for System Startup 

Commands for SNMP Diagnostics 

Commented IP Access List Entries 

Committed Access Rate (CAR) 

Communications Manager Express 7.1 / Survivable Remote Site Telephony 7.1 

Communications Manager Express Extension Mobility Enhancements 

Compression Control Protocol 

Config Change Tracking Identifier





Config Logger Enhancements for EAL4+ Certification 

Config Logger Persistency 

Configurable Bandwidth Parameters for SIP Calls 

Configurable Domain Name Prefix and Suffix Stripping 

Configurable MAC Address for PPPoE 

Configurable per ATM-VC Hold Queue size 

Configurable RAS Retries and Timers 

Configurable SIP Listening Port 

Configurable SIP Parameter Modification 

Configurable SIP Parameters via DHCP 

Configurable Timers in H.225 

Configuration Change Notification and Logging 

Configuration Replace and Configuration Rollback 

Configuration Rollback Confirmed Change 

Connect-Info RADIUS Attribute 77 

Connection-Mode Network Service (CMNS) 

Consent feature for IOS Routers 

Context-Based Access Control (CBAC) 

Contextual Configuration Diff Utility 

Control Plane DSCP Support for RSVP 

Control Plane Logging 

Control Plane Policing (CoPP) 

Control Plane Policing Manageability 

COPS for RSVP 

CPP Policy Manager 

CPU Thresholding Notification 

Crashinfo Support 

Crypto Access Check 

Crypto Conditional Debug Support 

CTCP Support on Easy VPN Clients 

CUBE Mid-call Re-INVITE consumption 

CUBE RTCP voice pass-through for IPv6 

CUBE Support for Configurable Pass-through of SIP INVITE Parameters 

CUBE Support for generating Out-of-dialog SIP OPTIONS Ping messages to monitor SIP Servers 

CUBE support for IPv6 

CUG Selection Facility Suppress Option 

Custom Queueing (CQ) 

Customer Profile Idle Timer Enhancements for Interesting Traffic 

Customizable PSTN Tones and H.323 Call-Disconnect Cause Codes 

Default Passive Interface 

Default Route on a PPP Virtual Access Interface 

DF Bit Override Functionality with IPSec Tunnels 

DHCP - Automatic IPv4 address pool assignment for DMVPN spokes 

DHCP - Class Support for Client Identification 

DHCP - Configurable DHCP Client 

DHCP - DHCPv6 Individual Address Assignment 

DHCP - DHCPv6 Server Stateless Auto Configuration 

DHCP - Server Multiple subnet 

DHCP - Static Mapping 

DHCP - Statically Configured Routes Using a DHCP Gateway 

DHCP - Tunnels Support 

DHCP Accounting 

DHCP Address Allocation using Option 82 

DHCP Authorized ARP 

DHCP Client 

DHCP Client - Dynamic Subnet Allocation API 

DHCP Client Forcerenew message 

DHCP Client on WAN Interfaces 

DHCP Client Option 121 

DHCP Enhancements for Edge-Session Management 

DHCP Lease Limit per ATM/RBE unnumbered interface 

DHCP ODAP Server Support





DHCP On Demand Address Pool (ODAP) Manager for non-MPLS VPN pools 

DHCP Option 82 on Stacked EtherSwitch Modules 

DHCP Option 82 Support for Routed Bridge Encapsulation 

DHCP Proxy Client 

DHCP Relay - MPLS VPN Support 

DHCP Relay Accounting 

DHCP Relay Agent Support for Unnumbered Interfaces 

DHCP Relay Option 82 - Per Interface Support 

DHCP Release and Renew CLI in Exec Mode 

DHCP Secured IP Address Assignment 

DHCP Server 

DHCP Server - On Demand Address Pool Manager 

DHCP Server - Option to Ignore all BOOTP Requests 

DHCP Server Options - Import and Autoconfiguration 

DHCP user auth CLI for forcerenew 

DHCP VRF Exclude support 

DHCP Zero Touch 

DHCPv4 - DHCP Option 125 Enhancement 

DHCPv4 Support for SmartInstall 

DHCPv6 Client Information Refresh Option 

Dial Backup 

Dial on Demand Authentication Enhancements 

Dial Peer Enhancements 

Dial-on-demand 

Dial-Out DS0 Level Trunk Group 

Dial-Peer Support for Data Calls 

Dialer CEF 

Dialer Idle Timer Inbound Traffic Configuration 

Dialer Map VRF Aware 

Dialer Persistent 

Dialer Profiles 

Dialer Watch 

Dialer Watch Connect Delay 

Diffie-Hellman Group 5 

Diffserv Compliant WRED 

Direct http enroll with CA servers 

Direct Inward Dial (DID) 

Disable Outbound SIP Proxy on a per-Dial-Peer Basis 

Distinguished Name Based Crypto Maps 

Distributed Management Event MIB Persistence 

Distributed Management Expression MIB persistence 

DLR Enhancements: PGM RFC-3208 Compliance 

DLSw (RFC 1795) 

DLSw CO features 

DLSw V2 

DLSw+ 

DLSw+ Asynchronous TCP Enhancements 

DLSw+ Backup Peer Extensions for Encapsulation Types 

DLSw+ Border Peer Caching 

DLSw+ Enhanced Load Balancing 

DLSw+ Ethernet Redundancy 

DLSw+ Peer Group Clusters 

DLSw+ RSVP Bandwidth Reservation 

DLSw+ SNA Type of Service 

DLSw+ Support For Transporting LLC1 UI Traffic 

DMVPN - Hub Support by QoS Class (DMVPN Ph3) 

DMVPN - Tunnel Health Monitoring and Recovery 

DMVPN - Tunnel Health Monitoring and Recovery (Interface Line Control) 

DMVPN Event Tracing 

DMVPN Manageability Enhancements 

DNS - Split DNS 

DNS - VRF aware DNS





DNS based X.25 routing 

DNS Proxy 

DOD MLPP PBX1 certification for CME 

DoD Secure Device Support for CME: Support STU / STE / IP STE with CME 

Domain based routing support on CUBE 

Double Authentication 

DPNSS Backhaul 

DRP Server Agent 

DTMF Events Through SIP Signaling 

DTMF Relay for SIP Calls Using Named Telephone Events (NTE) 

Dynamic DNS Support for Cisco IOS 

Dynamic Multiple Encapsulation for Dial-in over ISDN 

Dynamic Multipoint VPN (DMVPN) Phase 1 

Dynamic Per VRF AAA 

Dynamic REFER handling on CUBE 

Dynamic Trunking Protocol (DTP) 

E-911 Services for CME 

E911 Services for SRST 

Easy IP (Phase 1) 

Easy Secure Device Deployment (Easy SDD) - Phase 4 

Easy VPN Client RSA - Signature Support 

Easy VPN Phase 8.0 

Easy VPN Remote 

Easy VPN Remote : Multiple Inside Interface Enhancements 

Easy VPN Remote Enhancements 

Easy VPN Remote Phase 4.1 Enhancements 

Easy VPN Remote Web Based Activation 

Easy VPN Remote: Local-Address Support 

Easy VPN Remote: Manual Tunnel Control Enhancement 

Easy VPN Server 

EasyVPN Phase 6 

EasyVPN Phase 7 

EasyVPN phase 7.1 

EasyVPN Server Enhancements 

EIGRP Dynamic Metric Calculations 

EIGRP IPv6 VRF-Lite 

EIGRP MIB 

EIGRP MPLS VPN PE-CE Site of Origin (SoO) 

EIGRP Prefix Limit Support 

EIGRP Stub Routing 

EIGRP Support for Route Map Filtering 

EIGRP/SAF HMAC-SHA-256 Authentication 

Email Inspection Engine 

Embedded Event Manager (EEM) 1.0 






Embedded Packet Capture (EPC) 

Embedded Resource Manager (ERM) - MIB 

Embedded Resource Manager (ERM) - Packet Memory Reclamation 

Encrypted Pre-shared Key 

Encrypted Vendor Specific Attributes 

Enhanced Call and IVR Control for Rotary Call Set Ups 

Enhanced cRTP for links with high delay, packet loss and reordering 

Enhanced Debug Capabilities for Cisco Voice Gateways 

Enhanced IGRP (EIGRP) 

Enhanced ITU-T G.168 Echo Cancellation 

Enhanced Local Management Interface (ELMI) 

Enhanced MF for FGD and Analog CAMA Trunks 

Enhanced Music on Hold





Enhanced NBAR 

Enhanced Object Tracking support for Mobile IP, PDSN or GGSN 

Enhanced Packet Marking 

Enhanced Password Security 

Enhanced Test Command 

Enhanced Tracking Support / Enhanced Object Tracking / EOT 

Enhancement to bandwidth qos-reference Command 

EOT Support for carrier delay 

ETSI Call Transfer 

Event Tracer 

Exclusive Configuration Change Access and Access Session Locking 

Expanded scope for cause-code-initiated call establishment retries 

Exporting and Importing RSA Keys 

Express RTP and TCP Header Compression on Dialer interfaces 

Extended Simple Mail Transfer Protocol (ESMTP) for IOS Firewall 

Extended ACL support for IGMP to support SSM in IPv4 

Extended NAS-Port-Type and NAS-Port Support 

Extended VLAN ID 

Extending Dynamic Zone Prefix Registration to Include Gateway Priority 

EzSDD Phase III 

Facility Debug Enhancements 

Fast Fragmentation (Fast-Switched Fragmented IP Packets) 

Fast-Switched Policy Routing 

Fast-Switched SRTLB 

FAT32 Support 

Fax Detection (Single-Number Voice and Fax) 

Fax Relay Packet Loss Concealment 

Fax Relay Support for SG3 Fax Machines at G3 Speeds 

Feature Group D Support 

FHRP - VRF Aware VRRP 

FHRP - Enhanced Object Tracking of IP SLAs 

FHRP - EOT integration with EEM 

FHRP - GLBP Client Cache 

FHRP - GLBP Support for IPv6 

FHRP - HSRP - Hot Standby Router Protocol V2 

FHRP - HSRP BFD Peering 

FHRP - HSRP Group Shutdown 

FHRP - HSRP Multiple Group Optimization 

FHRP - Object Tracking List 

FHRP -VRRP-Object Tracking 

FIB Data Consistency Checking 

Firewall ACL Bypass 

Firewall Authentication Proxy 

Firewall Authentication Proxy for FTP and Telnet Sessions 

Firewall Feature Set 

Firewall Intrusion Detection (IDS) Signature Enhancements 

Firewall Intrusion Detection System 

Firewall N2H2 Support 

Firewall Stateful Inspection of ICMP 

Firewall Support for SIP 

Firewall Support of Skinny Client Control Protocol (SCCP) 

Firewall Support of SSL Encrypted HTTP Authentication Proxy Sign-on 

Firewall Websense URL Filtering 

Flexible NetFlow 

Flexible NetFlow - Ingress VRF Support 

Flexible Netflow - IPv4 Multicast Statistics Support 

Flexible Netflow - Layer 2 Fields 

Flexible Netflow - MPLS Egress NetFlow 

Flexible Netflow - NBAR Application Recognition 

Flexible Netflow - NetflowV5 export protocol 

Flexible NetFlow - Output Features on Data Export 

Flexible Netflow - Top N Talkers Support





Flexible NetFlow: 32 bit AS Number Support 

Flow-Based QoS for GGSN 

Flow-Based WRED 

Forced Calling Line Identifier 

Forced Update to SIP Parameters via DHCP 

FPG: Endpoint Agnostic Port Allocation 

FR support for IPv6 protocol demux over L2TPv3 

Frame Relay 

Frame Relay - PVC Bundles with IP QoS Support 

Frame Relay - PVC Bundles with MPLS QoS Support 

Frame Relay - FRF.1.2 Annex A 

Frame Relay 64-bit Counters 

Frame Relay Access Support (FRAS) Border Access Node (BAN) 

Frame Relay Access Support (FRAS) Boundary Network Node (BNN) 

Frame Relay Access Support (FRAS) Dial Backup over DLSW+ 

Frame Relay Access Support (FRAS) DLCI Backup 

Frame Relay Access Support (FRAS) Host 

Frame Relay ELMI Address Registration 

Frame Relay Encapsulation 

Frame Relay End-to-End Keepalive 

Frame Relay Fragmentation (FRF.12) 

Frame Relay Fragmentation with Hardware Compression 

Frame Relay FRF.9 Payload Compression 

Frame Relay PVC Interface Priority Queueing 

Frame Relay QoS features with Hierarchical Queueing Framework (HQF) 

Frame Relay Queuing and Fragmentation at the Interface 

Frame Relay Router ForeSight 

Frame Relay Show and Debug Command Enhancement 

Frame Relay Switched Virtual Circuits (SVC) over ISDN 

Frame Relay Switching 

Frame Relay Traffic Shaping (FRTS) 

Frame Relay Tunnel Switching 

Frame Relay Voice Adaptive Traffic Shaping 

Framed-Route in RADIUS Accounting 

FRF.20 support 

FTP IPv6 Support 

FTP Support for Downloading Software Images 

FXO Answer and Disconnect Supervision 

G.722 Codec Support with SRST 

G.722-64K Support on CME; G.722 and iLBC Transcoding, Conferencing Support on CME 

G.729br8 Codec as a Superset of G.729r8 and G.729br8 Codecs 

Gatekeeper Ecosystem Interoperability 

Gatekeeper Prefix Selection for Hair-Pinned Calls 

Gateway Codec Order Preservation and Shutdown Control 

Gateway Enhancements to Enable v4-v2 Interworking 

Gateway Load Balancing Protocol (GLBP) 

Generic Routing Encapsulation (GRE) 

Generic Routing Encapsulation (GRE) Tunnel Keepalive 

Generic Traffic Shaping (GTS) 

GETVPN - Time-based Anti-replay 

GETVPN GM Removal and Policy Trigger 

GETVPN Phase 1.2 

GETVPN Support for VRF-Lite 

GETVPN Troubleshooting 

GETVPN VRF-Aware GDOI on GM 

GKTMP - Unique Calling Party Information with Alternate Endpoints 

GLBP MD5 Authentication 

Granular Protocol Inspection 

GRE Tunnel IP Source and Destination VRF Membership 

Group Encrypted Transport VPN (GETVPN) 

GTD for GKTMP using SS7 Interconnect for Voice Gateway version 2.0 

GTD for RADIUS using SS7 Interconnect for Voice Gateways version 2.0





H.323 Call Redirection Enhancements 

H.323 Calling without a Calling Number 

H.323 Dual Tone Multifrequency (DTMF) Relay Using Named Telephone Events 

H.323 Name Display 

H.323 RAS Support in IOS Firewall 

H.323 Redundant Zone Support 

H.323 Scalability and Interoperability Enhancements for Gateways 

H.323 Support for Virtual Interfaces 

H.323 to SIP Supplementary Feature Interworking for Session Border Controller (SBC) 

H.323 Video Calls Support for H.239 Signalling 

H.323 VoIP Call Preservation Enhancements for WAN Link Failures 

H.323v4 - Enhanced Call Usage Reporting 

H.323V4 Gateway Zone Prefix Registration Enhancements 

H323 Video Calls Support for H.235 Security 

H450.2 & H450.3 Support In IOS 

Half bridge/half router for CPP and PPP 

Hookflash and DTMF Relay Transfer 

Hosted NAT Support for SBC Phase II - SNAT Support 

HSRP - Hot Standby Router Protocol 

HSRP - Hot Standby Router Protocol and IPSec 

HSRP for IPv6 

HSRP MD5 Authentication 

HSRP over ISL 

HSRP support for ICMP Redirects 

HSRP support for MPLS VPNs 

HTTP 1.1 Web Client 

HTTP 1.1 Web Server 

HTTP Cookie Support per RFC2965 

HTTP Inspection Engine 

HTTP Security 

HTTP Server - Enabling of Applications 

HTTP TACAC+ Accounting support 

HTTP(S) USB Flash 

HTTPS - HTTP with SSL 3.0 

HTTPS Support for Airlink Wireless Router 

ICMP Unreachable Rate Limiting User Feedback 

Identify Alternate Endpoint Call Attempts in RADIUS Call Accounting Records 

IDS Support of Security Device Event Exchange (SDEE) 

IEEE 802.1p Support 

IEEE 802.1Q ISL VLAN Mapping 

IEEE 802.1Q Tunneling 

IEEE 802.1Q VLAN Support 

IEEE 802.1Q VLAN Trunking 

IEEE 802.1x - VLAN Assignment 

IEEE 802.1x - Voice VLAN 

IEEE 802.1x - VPN Access Control 

IEEE 802.1x Authenticator 

IEEE 802.1x Guest VLAN 

IEEE 802.1x MIB Support 

IEEE 802.1x RADIUS Accounting 

IEEE 802.1x Radius-Supplied Session Timeout 

IEEE 802.1x Supplicant 

IEEE 802.3ah, Ethernet OAM 

IEEE 802.3x Flow Control 

IGMP Fast Leave 

IGMP Snooping 

IGMP State Limit 

IGMP Static Group Range Support 

IGMP Version 2 

IGMP Version 3 

IGMP Version 3 - Explicit Tracking of Hosts, Groups, and Channels 

Ignore revocation check and expired certs based on CERT ACL





IKE - Initiate Aggressive Mode 

IKE Extended Authentication (Xauth) 

IKE Mode Configuration 

IKE Responder-Only Mode 

IKE Security Protocol 

IKE Shared Secret Using AAA Server 

ikev1 hardening 

IKEv2 Headend support for remote access clients - anyconnect, win7 ipv6, Flexvpn hardware client. Multi sa support for vti 

IKEv2 Remote Access Headend 

Ikev2 site to site 

iLBC Codec on SCCP anolog FXS gateway, Transcoding & Conferencing; G.722-64K for H.323 & SIP 

IM Blocking Support in IOS Firewall for ICQ & Windows Messenger 

Image Verification 

Import of RSA keypair in PEM format 

Inactive Call Detection 

Inline Power Auto Negotiation 

Inspection of Router-Generated Traffic 

Integrated Data Primary Rate Interface (PRI) Services 

Integrated ISIS Global Default Metric 

Integrated ISIS Point to Point Adjacency over Broadcast Media 

Integrated ISIS Protocol Shutdown Support Maintaining Configuration Parameters 

Integrated routing and bridging (IRB) 

Inter-Domain Gateway Security Enhancement 

Interactive Voice Response (IVR) Version 2.0 

Interface Alias Long Name Support 

Interface Index Display 

Interface Index Persistence 

Interface Range Specification 

Internal Cause Code Consistency between SIP and H.323 

Interworking Signaling Enhancements for H.323 and SIP VoIP 

Intrusion Prevention System 

Intrusion Prevention System (IPS) Enhancements 

Invalid Special Parameter Index (SPI) Recovery 

IOS Certificate Server (CS) Split Database 

IOS Firewall Support for TRP - Phase 2 

IOS IPS with Lightweight Signatures 

IOS PKI Performance Monitoring Enhancements 

IOS SSL VPN Internationalisation 

IOS SSL VPN Smart Tunnels Support 

IOS-FW - H323 v3/v4 Support 

IOS-FW - Support for Skinny Local Traffic & CME 

IOS.sh - Cisco IOS Shell 

IP DSCP marking for Frame-Relay PVC 

IP Enhanced IGRP Route Authentication 

IP Event Dampening 

IP Local Pools Holdback Timer 

IP Multicast Load Splitting - Equal Cost Multipath (ECMP) using S, G and Next-hop 

IP Multicast Load Splitting across Equal-Cost Paths 

IP Multicast Multilayer Switching (MMLS) 

IP Named Access Control List 

IP over IPv6 Tunnels 

IP Overlapping Address Pools (AOP) 

IP Precedence Accounting 

IP Precedence for GRE Tunnels 

IP Routing 

IP SLA - VoIP Gatekeeper Delay Monitoring 

IP SLAs - ICMP Jitter Operation 

IP SLAs - Application Performance Monitor (APM) 

IP SLAs - ATM/Frame-Relay Thresholds 

IP SLAs - DHCP Operation 

IP SLAs - Distribution of Statistics 

IP SLAs - DNS Operation





IP SLAs - Frame Relay Interfaces 

IP SLAs - Frame Relay Operation 

IP SLAs - FTP Operation 

IP SLAs - History Statistics 

IP SLAs - HTTP Operation 

IP SLAs - ICMP Echo Operation 

IP SLAs - ICMP Path Echo Operation 

IP SLAs - MPLS VPN Awareness 

IP SLAs - Multi Operation Scheduler 

IP SLAs - One Way Measurement 

IP SLAs - Path Jitter Operation 

IP SLAs - Reaction Threshold 

IP SLAs - Scheduler 

IP SLAs - SNA LU2 Echo 

IP SLAs - SNMP Support 

IP SLAs - TCP Connect Operation 

IP SLAs - UDP Based VoIP Operation 

IP SLAs - UDP Echo Operation 

IP SLAs - UDP Jitter Operation 

IP SLAs - VoIP Threshold Traps 

IP SLAs Additional Threshold Traps 

IP SLAs Random Scheduler 

IP SLAs Responder 

IP SLAs Sub-millisecond Accuracy Improvements 

IP SLAs VoIP Call Setup (Post Dial Delay) Monitoring 

IP SLAs VRF Aware 2.0 

IP Summary Address for RIPv2 

IP Traffic Export (RITE) 

IP Tunneling - 6RD IPv6 Rapid Deployment 

IPHC Profiles 

IPS - Increase Session Setup Rate 

IPS 5.x Signature Format Support and Usability Enhancements 

IPS Support for Microsoft Engines 

IPSec and Quality of Service 

IPSec Anti-Replay Window: Expanding and Disabling 

IPSec Dead Peer Detection (DPD) Periodic Message Option 

IPSec MIB Support for Cisco IPSec VPN Management 

IPsec NAT Transparency 

IPSec Network Security 

IPSEC Preferred Peer 

IPSec Through Network Address Translation Support 

IPSec Triple DES Encryption (3DES) 

IPsec Usability Enhancements 

IPSec v6 Phase 2 Support 

IPsec Virtual Tunnel Interface 

IPSec VPN Accounting 

IPSec VPN High Availability Enhancements 

IPSec VTI - Virtual Tunnel Interface 

IPv6 (Internet Protocol Version 6) 

IPv6 - CNS Agents 

IPv6 - Config Logger 

IPv6 - HTTP(S) 

IPv6 - IP SLAs (UDP Jitter, UDP Echo, ICMP Echo, TCP Connect) 

IPv6 - TCL 

IPv6 Access Services: AAA Support for Cisco VSA IPv6 Attributes 

IPv6 Access Services: AAA Support for RFC 3162 IPv6 RADIUS Attributes 

IPv6 Access Services: DHCPv6 Prefix Delegation 

IPv6 Access Services: DHCPv6 Prefix Delegation via AAA 

IPv6 Access Services: DHCPv6 Relay Agent 

IPv6 Access Services: PPPoA 

IPv6 Access Services: PPPoE 

IPv6 Access Services: Prefix Pools





IPv6 Access Services: RBE 

IPv6 Access Services: Stateless DHCPv6 

IPv6 ACL Extensions for IPsec Authentication Header 

IPv6 ACL Extensions for Mobile IPv6 

IPv6 Bidirectional PIM 

IPv6 BSR - Configure RP mapping 

IPv6 BSR Bi-Dir support 

IPv6 BSR Scoped Zone support 

IPv6 Data Link: VLANs using Cisco Inter-Switch Link (ISL) 

IPv6 Data Link: VLANs using IEEE 802.1Q Encapsulation 

IPv6 Default Router Preference 

IPv6 Dual Stack 

IPv6 IOS Firewall 

IPv6 IOS Firewall FTP Application Support 

IPv6 MTU Path Discovery 

IPv6 Multicast 

IPv6 Multicast VRF Lite 

IPv6 Multicast: Address Family Support for Multiprotocol BGP 

IPv6 Multicast: Bootstrap Router (BSR) 

IPv6 Multicast: Explicit Tracking of Receivers 

IPv6 Multicast: MLD Access Group 

IPv6 Multicast: Multicast Listener Discovery (MLD) Protocol, Versions 1 and 2 

IPv6 Multicast: PIM Accept Register 

IPv6 Multicast: PIM Embedded RP Support 

IPv6 Multicast: PIM Source-Specific Multicast (PIM-SSM) 

IPv6 Multicast: PIM Sparse Mode (PIM-SM) 

IPv6 Multicast: Routable Address Hello Option 

IPv6 Multicast: RPF Flooding of Bootstrap Router (BSR) Packets 

IPv6 Multicast: Scope Boundaries 

IPv6 Multicast: Static Multicast Routing (mroute) for IPv6 

IPv6 Neighbor Discovery 

IPv6 over DMVPN 

IPv6 Policy-Based Routing 

IPv6 QoS: (Quality of Service) 

IPv6 QoS: MQC Packet Classification 

IPv6 QoS: MQC Packet Marking/Remarking 

IPv6 QoS: MQC Traffic Policing 

IPv6 QoS: MQC Traffic Shaping 

IPv6 QoS: MQC Weighted Random Early Detection (WRED)-Based Drop 

IPv6 QoS: Queueing 

IPv6 Routing - EIGRP Support 

IPv6 Routing: Multiprotocol BGP Extensions for IPv6 

IPv6 Routing: Multiprotocol BGP Link-local Address Peering 

IPv6 Routing: OSPF for IPv6 (OSPFv3) 

IPv6 Routing: OSPF for IPv6 (OSPFv3) Authentication Support with IPsec 

IPv6 Routing: RIP for IPv6 (RIPng) 

IPv6 Routing: Route Redistribution 

IPv6 Routing: Static Routing 

IPv6 Security: IPv6 IPSec to Authenticate OSPFv3 

IPv6 Security: Secure Shell SSH support over IPv6 

IPv6 Services: AAAA DNS Lookups over an IPv4 Transport 

IPv6 Services: Cisco Discovery Protocol (CDP) - IPv6 Address Family Support for Neighbor Information 

IPv6 Services: DNS Lookups over an IPv6 Transport 

IPv6 Services: Extended Access Control Lists 

IPv6 Services: Generic Prefix 

IPv6 Services: Standard Access Control Lists 

IPv6 Source Specific Multicast (SSM) Mapping 

IPv6 Stateless Auto-configuration 

IPv6 Static Cache Entry for Neighbor Discovery 

IPv6 Support for IPSec and IKEv2 

IPv6 Switching: CEF/dCEF Support 

IPv6 Switching: CEFv6 Switched Automatic IPv4-compatible Tunnels





IPv6 Switching: CEFv6 Switched Configured IPv6 over IPv4 Tunnels 

IPv6 Switching: CEFv6 Switched ISATAP Tunnels 

IPv6 transport for DMVPN 

IPv6 Tunneling: Automatic 6to4 Tunnels 

IPv6 Tunneling: Automatic IPv4-compatible Tunnels 

IPv6 Tunneling: IPv6 over IPv4 GRE Tunnels 

IPv6 Tunneling: ISATAP Tunnel Support 

IPv6 Tunneling: Manually Configured IPv6 over IPv4 Tunnels 

IPv6 VPN over MPLS (6VPE) 

IPv6: Anycast Address 

IPv6: ICMPv6 

IPv6: ICMPv6 Redirect 

IPv6: Multicast Address Group Range Support 

IPv6: Neighbor Discovery Duplicate Address Detection 

IS-IS - MPLS LDP Autoconfiguration 

IS-IS - MPLS LDP Synchronization 

IS-IS Caching of Redistributed Routes 

IS-IS HMAC-MD5 Authentication 

IS-IS Incremental Shortest Path First (i-SPF) Support 

IS-IS Limit on Number of Redistributed Routes 

IS-IS Mechanism to Exclude Connected IP Prefix from LSP Advertisements 

IS-IS MIB 

IS-IS Multiarea Support 

IS-IS Support for an IS-IS Instance per VRF for IP 

IS-IS Support for IP Route Tags 

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

ISDN 

ISDN Advice of Charge (AOC) 

ISDN Caller ID Callback 

ISDN Calling Name Display 

ISDN Cause Code Override 

ISDN FACILITY and NOTIFY Mapping to SIP INFO 

ISDN Generic Transparency Descriptor (GTD) for Setup Message 

ISDN Network Side for ETSI Net5 PRI 

ISDN NFAS 

ISDN Progress Indicator support for SIP using 183 Session Progress 

ISDN Q.931 Tunneling over SIP TDM Gateway 

ISDN QEP (NA) 

ISDN SETUP: HASH character within Called party info element 

ISDN-NFAS with D Channel Backup 

ISIS 

ISL VLAN 

ISO CLNS 

IVR: Configuring Dynamic Prompts 

IVR: Customizing Accounting Templates 

IVR: Directing AAA Requests 

IVR: Enhanced Multilanguage Support 

Jumbo Frames 

Key Management Interface (KMI) 

Key Rollover for Certificate Renewal 

L2TP - IPSEC Support for NAT and PAT Windows Clients 

L2TP - Large Scale Dial-Out per user attibute via AAA 

L2TP Calling Station ID Suppression 

L2TP Client Initiated Tunneling 

L2TP Congestion Avoidance 

L2TP Dial-Out 

L2TP Dial-Out Load Balancing & Redundancy 

L2TP Extended Failover 

L2TP Forwarding of PPPoE tag information 

L2TP Layer 2 Tunneling Protocol 

L2TP Redirect 

L2TP Security





L2TP Tunnel Connection Speed Labeling 

L2TP Tunnel Preservation of IP TOS 

L2TPv3 - Layer-2 Tunneling Protocol Version 3 

L2VPN Pseudowire Redundancy 

Land Mobile Radio (LMR) over IP 

Lawful Intercept (LI) 

Layer 2 Forwarding-Fast Switching 

LDAP integration with Active Directory 

Link Aggregation Control Protocol (LACP) (802.3ad) for Gigabit Interfaces 

Link Fragmentation and Interleaving (LFI) for Frame Relay and ATM Virtual Circuits 

LLID Blocking 

Loadsharing IP packets over more than six parallel paths 

Local AAA Server 

Local Proxy ARP 

Local Voice Busyout (LVBO) 

Lock and Key 

Logging to Local Nonvolatile Storage (ATA Disk) 

Login Password Retry Lockout 

Low Latency Queueing (LLQ) 

Low Latency Queueing (LLQ) for Frame Relay 

Low Latency Queueing (LLQ) with Priority Percentage Support 

LSDO: L2TP Large-Scale Dial-Out 

MAC Address Filtering 

Malicious Caller Identification (MCID) Invocation Support for Enterprise Networks 

Management Plane Protection 

MANET: Enhancements to PPPoE for Router-to-Radio Links 

Manual certificate enrollment (TFTP and cut-and-paste) 

MCID for Cisco IOS Voice Gateways 

MD5 File Validation 

Measurement-Based Call Admission Control for SIP 

Media Authentication and Encryption on H.323 IOS Gateways, Gatekeepers and IPIP Gateway 

Media Resource Control Protocol (MRCP) version 2 

Media Stream Recording Support 

Medianet Metadata 

MediaTrace 1.0 

Memory Leak Detector 

Memory Traceback Recording 

Message Banners for AAA Authentication 

MFIB : Display Enhancements 

mGRE Tunnel support over IPv6 

Microsoft Point-to-Point Compression (MPPC) 

MLD Group Limits 

MLP LFI over ATM configuration scaling 

MLPP for Analog and BRI Endpoints on Cisco IOS Voice Gateways 

MLPP for Cisco IOS Voice Gateways 

MLPPP - Multilink PPP 

MLPPP Enable/Disable via Radius for Preauthentication User 

MLPPP Minimum Links Mandatory 

Mobile IP 

Mobile IP - Challenge/Response Extestions 

Mobile IP - Dynamic DNS and Multiple DHCP Support 

Mobile IP - Dynamic Security Association and Key Distribution 

Mobile IP - Fastswitching Support on FA 

Mobile IP - Foreign Agent "Local Routing" of mobile 

Mobile IP - Generic NAI Support and Home Address Allocation 

Mobile IP - GRE encapsulation for Cisco Mobile Networks 

Mobile IP - HA Accounting 

Mobile IP - HA Policy Routing 

Mobile IP - HA Redundancy for Dynamic Mobile Networks 

Mobile IP - HMAC-MD5 support 

Mobile IP - IPSec for HA-FA Tunnel 

Mobile IP - Mobile IPv6 HA phase 2





Mobile IP - Mobile IPv6 Home Agent 

Mobile IP - Mobile Networks 

Mobile IP - Mobile Networks Asymmetric Link and Dynamic Network 

Mobile IP - Mobile Networks Dynamic Collocated Care-of-Address 

Mobile IP - Mobile Networks Priority HA Assignment 

Mobile IP - Mobile Networks Static Collocated Care of Address 

Mobile IP - Mobile Networks Tunnel Templates for Multicast 

Mobile IP - Mobile Networks v6 - Basic NEMO 

Mobile IP - Mobile Router Multi-Path Support 

Mobile IP - NAT Detect 

Mobile IP - Policy and Application based routing for MR Multi-path 

Mobile IP - Private Addressing Support 

Mobile IP - Proxy Mobile IP and Proxy CHAP 

Mobile IP - Single IDB Tunnel Support 

Mobile IP - Support for FA Reverse Tunnelling 

Mobile IP - Support NAI Based MNs that are serviced by many HAs 

Mobile IP Home Agent (HA) Redundancy 

Mobile IP Support for RFC 3519 NAT 

Modem Calls over QSIG 

Modem Chat Script and System Script Support in LSDO 

Modem over BRI 

Modem PassThrough over Voice over IP 

Modem Relay 

Modular QoS CLI (MQC) 

Modular QoS CLI (MQC) - Based Frame Relay Traffic Shaping 

Modular QoS CLI (MQC) Unconditional Packet Discard 

MPLS (Multiprotocol Label Switching) 

MPLS - Multilink PPP support 

MPLS Class of Service (CoS) Enhancements 

MPLS Diff-Serv-Aware Traffic Engineering (DS-TE) 

MPLS EM - LSP Ping/Trace for LDP & RSVP IPv4 FECs 

MPLS EM - MPLS Multipath (ECMP) LSP Tree Trace 

MPLS EM - MPLS TE MIB Trap Notifications 

MPLS LDP - Autoconfiguration 

MPLS LDP - Graceful Restart 

MPLS LDP - IGP Synchronization 

MPLS LDP - Inbound Label Binding Filtering 

MPLS LDP - Label Distribution Protocol (LDP) 

MPLS LDP - Lossless MD5 Session Authentication 

MPLS LDP - MD5 Global Configuration 

MPLS LDP - MIB Notifications 

MPLS LDP - Session Protection 

MPLS LDP - VRF Aware Static Labels 

MPLS MTU command for GRE Tunnels 

MPLS TE - Fast Reroute over ATM 

MPLS TE - Fast Tunnel Interface Down Detection 

MPLS TE - Node Protection Desired Bit 

MPLS TE over GRE Tunnel Support 

MPLS Traceroute 

MPLS Traffic Engineering (TE) 

MPLS Traffic Engineering (TE) - Automatic bandwidth adjustment for TE tunnels 

MPLS Traffic Engineering (TE) - AutoTunnel Primary and Backup 

MPLS Traffic Engineering (TE) - Class-based Tunnel Selection 

MPLS Traffic Engineering (TE) - Configurable Path Calculation Metric for Tunnels 

MPLS Traffic Engineering (TE) - Fast Reroute (FRR) Link and Node Protection 

MPLS Traffic Engineering (TE) - Interarea Tunnels 

MPLS Traffic Engineering (TE) - LSP Attributes 

MPLS Traffic Engineering (TE) - Path Protection 

MPLS Traffic Engineering (TE) - RSVP Graceful Restart 

MPLS Traffic Engineering (TE) - RSVP Hello State Timer 

MPLS Traffic Engineering (TE) - Scalability Enhancements 

MPLS Traffic Engineering (TE): Verbatim Path Support





MPLS Traffic Engineering - AutoTunnel Mesh Groups 

MPLS Traffic Engineering - Policy Routing onto MPLS TE Tunnels 

MPLS Traffic Engineering Forwarding Adjacency 

MPLS Traffic Engineering--Inter-AS TE 

MPLS Traffic Engineering: Shared Risk Link Groups (SRLG) 

MPLS VPN - BGP Local Convergence 

MPLS VPN - Inter-AS Option AB 

MPLS VPN - Loadbalancing support for Inter-AS and CSC VPNs 

MPLS VPN - MIB Notifications 

MPLS VPN - Multi-Path support for Inter-AS VPNs 

MPLS VPN - Route Target Rewrite 

MPLS VPN - Show Running VRF 

MPLS VPN - VRF CLI for IPv4 & IPv6 VPNs 

MPLS VPN Half Duplex VRF (HDVRF) 

MPLS VPN over mGRE 

MPLS VPN support for EIGRP between Provider Edge (PE) and Customer Edge (CE) 

MPLS VPN VRF Selection using PBR (Policy Based Routing) 

MPLS-Aware NetFlow 

MQC Hierarchical Service-Policymap per Interface 

MS Callback 

MS-CHAP Version 1 

MS-CHAP Version 2 

MSDP compliance with IETF RFC 3618 

MSDP MD5 password authentication 

MTree crypto data structure optimizations 

Multi-pad support for X.25 connections 

Multi-part SDP support for NAT/FPG 

Multi-protocol BGP (MP-BGP) - MPLS VPN 

Multi-SA for DVTI 

Multi-VRF Selection Using Policy Based Routing (PBR) 

Multicast Address Group Range Support 

Multicast BGP (MBGP) 

Multicast Fast Switching Performance Improvement 

Multicast for Virtual Multipoint Interfaces 

Multicast Music-on-Hold support on CUBE 

Multicast NAT 

Multicast Routing Monitor (MRM) 

Multicast Source Discovery Protocol (MSDP) 

Multicast Subsecond Convergence 

Multicast User Authentication & Profile support 

Multicast VPN Extranet Support 

Multicast VPN Extranet VRF Select 

Multicast VPN Inter-AS Support 

Multicast VPN MIB 

Multicast-VPN: Multicast Support for MPLS VPN 

Multiclass Multilink PPP 

Multihop VPDN 

MultiNode Load Balancing (MNLB) Forwarding Agent 

Multiple PPPoe Client 

Multiple RSA Keypair Support 

MVPN - Data MDT Enhancements 

MVPN Scalability Improvements 

NAC - Agentless Host Support 

NAC - Auth Fail Open 

NAC - Network Admission Control 

Named Method Lists for AAA Authorization and Accounting 

NAS-Port ID Format C Enhancement 

NAT - Default Inside Server Enhancement 

NAT - Protocol Translation (NAT-PT) 

NAT - Stateful Fail-over of Network Address Translation (SNAT) Phase 1 

NAT - Ability to use Routes Maps with Static Translations 

NAT - Enhanced H.225/H.245 Forwarding Engine





NAT - Network Address Translation 

NAT - Optimized SIP Media Path with SDP 

NAT - Optimized SIP Media Path without SDP 

NAT - Performance & Scalability enhancement - Timer Wheel 

NAT - Performance Enhancement - CEF Switching Support 

NAT - Rate Limiting NAT Translation 

NAT - Scalability for Stateful NAT 

NAT - Stateful Fail-Over - Asymmetric Outside-to-Inside Support 

NAT - Stateful Fail-over for Embedded Addressing 

NAT - Static IP Support 

NAT - Static Mapping Support with HSRP for High-Availability 

NAT - Support for H.323 Fragmented Control Messages 

NAT - Support for H.323v3 and v4 in v2 Compatibility mode 

NAT - Support for NetMeeting Directory (Internet Locator Service - ILS) 

NAT - Support for SIP 

NAT - Support of H.323v2 Call Signaling (FastConnect) 

NAT - Support of H.323v2 RAS 

NAT - Support of IP Phone to Cisco Call Manager 

NAT - Translation of external IP Addresses only 

NAT - VRF Aware NAT 

NAT as SIP-Session Border Controller Hosted NAT Traversal 

NAT as SIP-Session Border Controller Media Flow 

NAT as SIP-Session Border Controller Support for Address-Only Fields 

NAT SCCP Video support 

NAT Static & Dynamic Route-map name-sharing 

NAT-PT: Support for DNS ALG 

NAT-PT: Support for Fragmentation 

NAT-PT: Support for FTP ALG 

NAT-PT: Support for Overload (PAT) 

NAT-Support of IP Phone to Cisco Call Manager 

Native Service Point over DLSW+ 

NBAR - Citrix ICA Published Applications 

NBAR - Multiple Matches Per Port 

NBAR - Network-based Application Recognition 

NBAR Extended Inspection for HTTP Traffic 

NBAR PDLM Versioning 

NBAR Real-time Transport Protocol Payload Classification 

NBAR Static IPv4 IANA Protocols 

NBAR User-Defined Custom Application Classification 

NBAR- BitTorrent PDLM 

NBAR-NAT Integration & RTSP 

NETCONF over SSHv2 

NetFlow 

NetFlow Aggregation 

NetFlow Dynamic Top Talkers CLI 

Netflow Egress Accounting 

NetFlow Layer 2 and Security Monitoring Exports 

Netflow MIB and Top Talkers 

Netflow Multiple Export Destinations 

NetFlow Reliable Export (SCTP) 

NetFlow Top Talker CLI 

NetFlow ToS-Based Router Aggregation 

NetFlow v9 Export Format 

Network Side ISDN PRI Signaling, Trunking, and Switching 

Network Time Protocol (NTP) 

Network-based recording using Cisco UBE 

Next Hop Resolution Protocol (NHRP) 

Next Hop Resolution Protocol (NHRP) - CEF rewrite for DMVPN Phase 3 Networks 

No Service Password-Recovery 

Novell IPX 

NSF Awareness (Nonstop Forwarding Awareness) 

NSF Awareness - BGP





NSF Awareness - EIGRP 

NSF Awareness - IS-IS 

NSF Awareness - OSPF 

NSF Awareness - OSPF (RFC 3623 OSPF Graceful Restart Helper Mode) 

NTPv4 

Object Groups for ACLs 

OCSP (Online Certificate Status Protocol) 

OCSP - Server Certification from Alternate Hierarchy 

OER - API 

OER - Application Aware Routing with Static Application Mapping 

OER - Inbound Optimization thru BGP 

OER - Voice Traffic Optimization 

OER Port and Protocol Based Prefix Learning 

OER Support for Cost-Based Optimization and Traceroute Reporting 

OER Support for Policy-Rules Configuration and Port-Based Prefix Learning 

OER VPN IPsec/GRE Tunnel Optimization 

Offload Server Accounting Enhancement 

On Demand Routing (ODR) 

Optimized Edge Routing (OER) 

Optimized PPP Negotiation 

Option to Disable Hardware Crypto Engine Failover to Software Crypto Engine 

Option to disable volume-based IPsec lifetime rekey 

Optional OCSP Nonce 

OSPF 

OSPF - Demand Circuit disable 

OSPF ABR type 3 LSA Filtering 

OSPF Area Transit Capability 

OSPF Enhanced Traffic Statistics for OSPFv2 and OSPFv3 

OSPF Flooding Reduction 

OSPF Forwarding Address Suppression in Translated Type-5 LSAs 

OSPF Graceful Shutdown 

OSPF Inbound Filtering using Route Maps with a Distribute List 

OSPF Incremental Shortest Path First (i-SPF) Support 

OSPF Limit on Number of Redistributed Routes 

OSPF Link State Database Overload Protection 

OSPF Link-local Signaling (LLS) Per Interface Basis 

OSPF Mechanism to Exclude Connected IP Prefixes from LSA Advertisements 

OSPF MIB Support of RFC 1850 and Latest Extensions 

OSPF Not-So-Stubby Areas (NSSA) 

OSPF On Demand Circuit (RFC 1793) 

OSPF Packet Pacing 

OSPF Sham-Link Support for MPLS VPN 

OSPF Shortest Paths First Throttling 

OSPF Stub Router Advertisement 

OSPF Support for Fast Hellos 

OSPF Support for Link State Advertisement (LSA) Throttling 

OSPF Support for Multi-VRF on CE Routers 

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

OSPF TTL Security Check 

OSPF Update Packet-Pacing Configurable Timers 

OSPFv3 Address Families 

OSPFv3 dynamic interface cost support 

OSPFv3 Fast Convergence - LSA and SPF throttling 

OSPFv3 Graceful Restart 

OSPFv3 Manet Extensions 

Overlap Signaling Processing on H.323 Terminating Gateways 

Packet Classification Based on Layer3 Packet-Length 

Packet Classification using Frame-Relay DLCI Number 

Packet Mode Services on D Channel 

PAD Subaddress Formatting Option 

PAD Subaddressing 

Parse Bookmarks





Parser Cache 

Parser concurrency and locking Improvements 

Pass Data in SIP REFER to Triggered INVITE; Control Media Cut-Through on SIP 18x Response 

Password Authentication Protocol (PAP) 

PBR Support for Multiple Tracking Options 

Peer Pool Backup Support 

Per Tunnel QoS 

Per VRF AAA 

Per-User Configuration 

Per-User QoS via AAA Policy Name 

Per-VRF Assignment of BGP Router-ID 

Performance Enhancements for IOS ACL 

Performance Monitor (Phase 1) 

Performance Routing (PfR) - Link Groups 

Performance Routing (PfR) with NBAR/CCE Application Recognition 

Performance Routing (PfR)- Application Interface 

Periodic MIB Data Collection and Transfer Mechanism 

Persistent Self-Signed Certificates 

PfR - Protocol Independent Route Optimization (PIRO) 

PfR EIGRP mGRE DMVPN Hub-and-Spoke support 

PfR RSVP Control 

PfR/RSVP CAC Integration 

PIM Dense Mode State Refresh 

PIM MIB Extension for IP Multicast 

PIM Multicast Scalability 

PIM Triggered Joins 

PIM Version 1 

PIM Version 2 

PKI - CLI to Control Certificate Revocation List (CRL) Cache 

PKI AAA Authorization Using the Entire Subject Name 

PKI Integration with AAA Server 

PLAR (Private Line Automatic Ring-down) for Trading Turrets 

Policy Based Routing: Recursive Next Hop 

Policy-Based Routing (PBR) 

Port to Application Mapping (PAM) 

PPP 

PPP CLI enhancement for L2CP phase III 

PPP MLP MRRU negotiation configuration 

PPP over ATM 

PPP Over Fast Ethernet 802.1Q 

PPP over Frame Relay 

PPP Random Reconnect Timer 

PPP-Max-Payload and IWF PPPoE Tag Support 

PPPoE - Session Limiting on Inner QinQ VLAN 

PPPOE Agent Remote ID & DSL Line Characteristics Enhancement 

PPPoE Circuit-ID Tag Processing 

PPPoE Client 

PPPoE Client DDR Idle-Timer 

PPPoE Connection Throttling 

PPPoE MTU Adjustment 

PPPoE on Ethernet 

PPPoE over Gigabit Ethernet interface 

PPPoE over VLANs Scaling and PPPoE over VLANs forwarding over PVC 

PPPoE Radius Port Identification 

PPPoE Relay 

PPPoE Server Restructuring and PPPoE Profiles 

PPPoE Service Selection 

PPPoE Session limit 

PPPoE Session Limit per NAS port 

PPPoE Session Recovery After Reload 

PPPoE Smart Server Selection 

PPPoE:Max-payload support on client





PPTP with MPPE 

Pre-fragmentation For Ipsec VPNs 

Preauthentication with ISDN PRI and Channel-Associated Signalling Enhancements 

Preloaded routes for outgoing INVITE on CUBE using Path Header in REGISTER, Service-Route in 200 OK response to REGISTER and Outbound Proxy 

Priority Queueing (PQ) 

Privilege Command Enhancement 

Product Security Baseline: Password encryption and complexity restrictions 

Protected Private Key Storage 

PSTN-related RADIUS VSAs 

QoS - Hierarchical Queueing Framework (HQF) 

QoS Bandwidth Estimation 

QoS for Virtual Private Networks 

QoS Packet Marking 

QoS policing support on Switched Virtual Interfaces (SVI) 

QoS Policy Propagation via Border Gateway Protocol (QPPB) 

QoS Priority Percentage CLI Support 

QoS: Classification, Policing, and Marking on LAC 

QoS: CnH support in T 

QOS: DirectConnect PDLM 

QoS: Skype classification 

QSIG Protocol Support 

QSIG Supplementary Features for Cisco IOS Voice Gateways 

Quality of Service (QoS) - Classification Only 

Quality of Service (QoS) Queuing 

Quality of Service for Virtual Private Networks 

Query Mode Definition Per Trustpoint 

Query Multiple Servers during Certificate Revocation Check 

Radio Aware Routing RFC 4938bis 

RADIUS 

RADIUS Attribute 104 

RADIUS Attribute 44 (Accounting Session ID) in Access Requests 

RADIUS attribute 5 (NAS-Port) format specified on a per-server group level 

RADIUS Attribute 52 and 53 Gigaword Support 

RADIUS Attribute 66 (Tunnel-Client-Endpoint) Enhancements 

RADIUS Attribute 77 for DSL 

RADIUS Attribute 82: Tunnel Assignment Id 

RADIUS Attribute 91 Encrypted and Tagged VSA Support 

RADIUS Attribute Value Screening 

RADIUS Centralized Filter Management 

RADIUS EAP Support 

RADIUS for Multiple User Datagram Protocol Ports 

RADIUS Interim Update at Call Connect 

RADIUS Logical Line ID 

RADIUS NAS-IP-Address Configurability 

RADIUS Number Translation VSAs for VoIP 

Radius over IPv6 

RADIUS Packet of Disconnect 

RADIUS Packet Suppression for VoIP GW Rotary Dial-Peer Attempts 

RADIUS Progress Codes 

RADIUS Route Download 

RADIUS Server Reorder on Fail 

Radius Statistics VIA SNMP 

RADIUS Timeout set during Pre-Authentication 

RADIUS Tunnel Attribute Extensions 

RADIUS Tunnel Preference for Load Balancing and Fail-over 

RADIUS VC Logging 

Random Early Detection (RED) 

RBE Client Side Encapsulation with QoS 

RBSCP (Rate Based Satellite Control Protocol) 

Re-Enroll Using Existing Certificate 

Real-time Resolution for IPsec Tunnel Peer 

Redial Enhancements





Reliable Delivery and Filtering for Syslog 

Reliable Static Routing Back-up using Object Tracking 

Remote Monitoring MIB Update 

Reserve Memory for Console Access 

Resource Pool Management with Direct Remote Services 

Reuse MAC for ATM RBE 

Reverse Route Injection (RRI) 

Reverse SSH Enhancements 

RFC 1483 for Token Ring Networks 

RFC 2576: SNMP v1/ v2c pdu conversions for proxy forwarder 

RFC 2833 DTMF MTP Passthrough 

RFC-2867 Tunnel Accounting 

RFC4040 based Clear Channel codec signaling with SIP 

RGMP - Router-Port Group Management Protocol 

RIF Passthru in DLSw+ 

RIP 

RIPv2: RFC 1724 MIB Extension 

RMON events and alarms 

RMON full 

Role-Based Access Control CLI commands (RBAC) 

Rotating Through Dial Strings 

Routed Bridge Encapsulation with ATM Virtual Circuit Bundles 

RRI Enhancements 

RSA 4096-bit key generation in SW crypto engine support 

RSVP - Previous Hop Overwrite 

RSVP - Resource Reservation Protocol 

RSVP Agent 

RSVP Application ID Support 

RSVP Fast Local Repair (RSVP FLR) 

RSVP for flexible BW interface 

RSVP Interface-based Receiver Proxy 

RSVP Local Policy Support 

RSVP Message Authentication 

RSVP Over DMVPN 

RSVP Preconditions for Audio on SIP-TDM Gateway and Cisco Unified Communications Manager Express 

RSVP Refresh Reduction and Reliable Messaging 

RSVP Scalability Enhancements 

RSVP Support for Frame Relay 

RSVP Support for Ingress Call Admission Control 

RSVP support for LLQ 

RSVP Support for RTP Header Compression 

RSVP-VRF Lite Admission Control 

RTP Header Compression 

RTP Header Compression over Satellite Links 

RTP/RTCP over IPv6 

SAF Dynamic Neighbors 

ScanSafe Web Security 

SCTP Show/Clear CLI Enhancements 

SDP (Secure Device Provisioning) Start Page 

SEAL Encryption 

Secure Copy (SCP) 

Secure Device Provisioning (SDP) Connect Template 

Secure Neighbor Discovery (SEND) for Cisco IOS 

Secure Shell SSH Terminal-line access 

Secure Shell SSH Version 1 Integrated Client 

Secure Shell SSH Version 1 Server Support 

Secure Shell SSH Version 2 Client Support 

Secure Shell SSH Version 2 Server Support 

Secure SRST: Survivable Remote Site Telephony Version 3.3 

Security Device Manager (SDM) 

Security Gateway for Unlicensed Mobile Access 

Selective Packet Discard (SPD)





Selective Virtual-Access Interface Creation 

Service Advertisement Framework (SAF) 

Serviceability support for SIP dialer and Call Progress Analysis 

Session Border Controller Enhancements for H.323-SIP and SIP-SIP Supplementary Services,Transcoding Optimization and Firewall Integration. 

Session Initiation Protocol (SIP) 

Session Limit Per VRF 

Shell-Based Authentication of VPDN Users 

Show and Clear commands for IOS Sockets 

Show Command Redirect 

Signed TCL Scripts 

Silent Operation Mode 

Simple Network-enabled Auto Provisioning (SNAP) 

SIP - Accept-Language Header Support 

SIP - Audible Message Waiting Indicator for FXS Phones 

SIP - Call Transfer Enhancements Using Refer Method 

SIP - Call Transfer Using Refer Method 

SIP - Carrier Identification Code 

SIP - Configurable Hostname in Locally Generated SIP Headers 

SIP - Configurable PSTN Cause Code Mapping 

SIP - Core SIP Technology Enhancements 

SIP - Debug Output Filtering Support 

SIP - Diversion Header Implementation for Redirecting Number 

SIP - DNS SRV RFC2782 Compliance 

SIP - Enhanced 180 Provisional Response Handling 

SIP - Enhanced Billing Support for Gateways 

SIP - Extensions for Caller Identity and Privacy 

SIP - Gateway HTTP Authentication Digest 

SIP - Gateway Support Enhancements for Bind Command 

SIP - Gateway Support for the Bind Command 

SIP - Gateway support for Third Party Call Control 

SIP - Gateway Support of RSVP 

SIP - Gateway Support of TEL URL 

SIP - Hold Timer Support 

SIP - INFO Method for DTMF Tone Generation 

SIP - Intra-gateway Hairpinning 

SIP - INVITE Request with Malformed Via Header 

SIP - ISDN Suspend/Resume Support 

SIP - Multiple 18x Responses 

SIP - MWI NOTIFY - QSIG MWI Translation 

SIP - Portable Stack support for Outbound Refer 

SIP - PSTN Transport using Cisco Generic Transparency Descriptor 

SIP - Redirect Processing Enhancement 

SIP - RFC3261 Enhancements 

SIP - RSVP Preconditions for Video Gateway 

SIP - Session Initiation Protocol for VoIP 

SIP - Session Initiation Protocol for VoIP Enhancements 

SIP - Session Timer Support 

SIP - SIP Extended Feature Functionality for Session Border Controller (SBC) 

SIP - SIP GW Session Timer Support 

SIP - SIP GW Support for Busy Out 

SIP - SIP GW support for SDP Session Info and Permit Hostname CLI 

SIP - SIP GW support of TLS 

SIP - SIP Header/URL support and Subscribe/Notify for external triggers 

SIP - SIP Support for Hookflash 

SIP - Stack Support of TLS 

SIP - Support for Media Forking 

SIP - Support for SESSION REFRESH with reINVITEs 

SIP - Support for SIP Video Calls with Flow Around Media 

SIP - Survivable Remote Site Telephony (SRST) 

SIP - T.37 and Cisco Fax 

SIP - T.38 Fax Relay 

SIP - TLS/TCP and SRTP with SRST





SIP - Transfer Using the Refer Method and Call Forwarding 

SIP and H.323 Fax Enhancements 

SIP Delayed Offer to Early Offer for Video Calls 

SIP Diversion Header Enhancements 

SIP History INFO 

SIP IPv6 - ANAT Support 

SIP Loopback Support 

SIP Multicast Music on Hold (MoH) 

SIP SRTP Fallback to Nonsecure RTP for CUBE 

SIP to SIP Supplementary Services for Session Border Controller (SBC) 

SIP Video Support for Telepresence Calls 

SIP: SIP Portable Stack Support for Outbound Register 

SIP: SIP Support of Resource Priority Header and Reason Header 

SIP:Cli for passing Calling Name when Privacy Exists 

SIP:SIP Support for Options 

SIPv-vGateway Reason Header & Buffered Calling Name Completion 

SIT Detection and Reporting 

Smartports on ISR Etherswitch 

Snapshot routing 

SNMP (Simple Network Management Protocol) 

SNMP Inform Request 

SNMP Manager 

SNMP over IPv6 

SNMP Support for IOS vLAN Subinterfaces 

SNMP Support for Named Access Lists 

SNMP Support for vLAN (ISL, DOT1Q) Subinterfaces 

SNMP Support over VPN 

SNMP Support over VPNs - Context Based Access Control 

SNMPv2C 

SNMPv3 (SNMP Version 3) 

SNMPv3 - 3DES and AES Encryption Support 

Source Interface Selection for Outgoing Traffic with Certificate Authority (CA) 

Source Specific Multicast (SSM) 

Source Specific Multicast (SSM) - IGMPv3,IGMP v3lite, and URD 

Source Specific Multicast (SSM) Mapping 

Spanning Tree Protocol (STP) 

Spanning Tree Protocol (STP) - Backbone Fast Convergence 

Spanning Tree Protocol (STP) - Loop Guard 

Spanning Tree Protocol (STP) - Portfast 

Spanning Tree Protocol (STP) - Portfast BPDU Guard 

Spanning Tree Protocol (STP) - Uplink Fast Convergence 

Spanning Tree Protocol (STP) - Uplink Load Balancing 

Spanning Tree Protocol (STP) Extension 

SRB - Source-Route bridging 

SRB over Frame Relay 

SRST: Survivable Remote Site Telephony Version 3.0 






SSG - RADIUS VC Logging Enhancement 

SSHv2 Enhancements 

SSHv2 Enhancements for RSA Keys 

SSL VPN - WebVPN Enhancements 

SSL VPN Phase-4 Features 

SSLVPN - Access Control Enhancements 

SSLVPN - AnyConnect Client Support 

SSLVPN - Application ACL support 

SSLVPN - Back End HTTP Proxy 

SSLVPN - Full-Tunnel CEF Support 

SSLVPN - URL Rewrite Splitter



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SSLVPN Client Side Certificate based Authentication 

SSLVPN Debug Infrastructure 

SSLVPN DVTI Support 

SSLVPN Front-Door VRF Support 

SSLVPN GUI Enhancements 

SSLVPN Netegrity Single Sign-on (SSO) Support 

SSLVPN Port-Forward Enhancements 

SSLVPN URL obfuscation 

SSLVPN User-Level Bookmarking 

Standard IP Access List Logging 

Static Route Support for BFD over IPv6 

Stream Control Transmission Protocol (SCTP) 

Subnetwork Bandwidth Manager (SBM) 

Subordinate/RA Mode IOS Certificate Server (CS) Rollover 

Subscriber Service Switch 

Suite-B support in IOS SW crypto 

Supplementary services support on CUBE for RTP-SRTP calls 

Support for Adjustable Timers for REGISTRATION Refresh and Retries 

Support for Call Routing Logic on the Cisco Unified Border Element Based on the Information Embedded in the History-info Header 

Support for Conditional Header Manipulation of SIP Headers 

Support for dynamic payload type interworking for DTMF and codec packets for SIP to SIP calls 

Support for Expires timer reset on receiving or sending SIP 183 message 

Support for Hiding the Internal Topology Information Embedded Within the History-info Header at the Cisco Unified Border Element 

Support for interworking between CUCM controlled RSVP capable networks and RSVP incapable networks 

Support for interworking between RSVP capable and RSVP incapable networks 

Support for IUA with SCTP for Cisco Access Servers 

Support for Limiting the Rate of Incoming SIP Calls Processing 

Support for Media Flow-Around with SIP Signaling Control on Cisco UBE 

Support for Multiple Registrars on SIP Trunks on a Cisco Unified Border Element, on Cisco IOS SIP TDM Gateways, and on Cisco Unified Communications Manager Express 

Support for PAI, PPI and Privacy headers on the SIP Trunk of CUCME with either SIP or SCCP line-side 

Support for PAI, PPI, Privacy, P-Called-Party-ID and P-Associated-URI headers on Cisco Unified Border Element 

Support for release of media flow with retention of SIP signaling control on Cisco UBE for media trombone or media hairpin call is detected 

Support for Reporting End-of-Call Statistics in SIP BYE Message 

Support for selectively using sip: URI or tel: URI formats on individual SIP headers 

Support for SIP 181 'call is being forwarded' message 

Support for SIP Registration Proxy on Cisco UBE 

Support for SIP UPDATE Message per RFC 3311 

Support for stripping off progress indication from incoming ISDN messages on SIP and H323 TDM gateways 

Support on CUBE for selective filtering of outgoing provisional responses 

Suppress BGP Advertisement for Inactive Routes 

Supressing EXEC accounting record 

Survivable Remote Site Telephony SIP Station-Side Enhancements 

Switch Port Analyzer (SPAN) 

Switch Port Analyzer (SPAN) - Disable Receive Traffic Destination Port 

Switch Port Analyzer (SPAN) - Multiple Source Port Selection 

Symmetrical RTP support for MGCP based Calls 

Syslog over IPV6 

System Accounting Record Generation for Server Addition/Deletion made VRF Aware 

T.38 Fax Relay for VoIP H.323 

T.38 Fax Statistics 

T.38 fax support on CUBE for IPv6 

Tacacs over IPv6 

Tacacs SENDAUTH function 

Tacacs Single Connection 

TACACS+ 

TACACS+ Per VRF 

Tag and Template 

TCL IVR 2.0 Call Initiation and Callback 

TCL IVR Disconnect Cause-Code Manipulation 

TCL UDP and VRF support 

TCL-Enabled Signaling Parameter Mapping (PSTN VoIP) 

TCP - Explicit Congestion Notification





TCP - TCP Congestion Avoidance 

TCP Application Flags - New Socket Options 

TCP MSS Adjust 

TCP Show Extension 

TCP Window Scaling 

Threat Information Distribution Protocol (TIDP) 

Throttling of AAA (RADIUS) Records. 

Time-Based Access Lists 

Time-Based Access Lists Using Time Ranges(ACL) 

Timer and Retry Enhancements for L2TP and L2F 

TO BE DELETED from JFIT-jrider18 

Transparent Bridging 

Transparent CCS and Frame Forwarding Enhancements 

Transparent IOS Firewall 

Transparent IPS 

Transparent Tunneling of QSIG and Q.931 over SIP-SIP Cisco Unified Border Element 

Transparent Tunneling of QSIG over SIP TDM Gateway 

Triggered RIP 

Trusted Root Certification Authority 

Trustpoint CLI 

Tunnel Authentication via Radius on LNS 

Tunnel Endpoint Discovery 

Tunnel Route Selection 

Tunnel Type of Service (TOS) 

Turbo Flooding of UDP Datagrams 

UDI - Unique Device Identifier 

UDLR Tunnel ARP and IGMP Proxy 

UDP forwarding support of IP Redundancy Virtual Router Group (VRG) 

Uni-Directional Link Routing (UDLR) 

Unicast Reverse Path Forwarding (uRPF) 

Unified Communications Manager Express 7.0(1) Localization Configuration Enhancements 

Unified Communications Manager Express(UCME), Voice Gateways and Cisco Unified Border Element (CUBE) support for Service Advertisement Framework (SAF) 

Unified Communications Trusted Firewall Control - Version 2 

USB Storage PKI Enhancements 

USB Token and Secure Device Provisioning (SDP) Integration 

User Based Firewall Support 

User Maximum Links 

V.92 Modem on Hold 

Vendor-Specific RADIUS Attributes 

Videoconferencing for the Cisco Multiservice IP-to-IP Gateway Feature 

Virtual Fragmentation Reassembly 

Virtual Interface Template Service 

Virtual Private Dial-up Network (VPDN) 

Virtual Profile CEF Switched 

Virtual Profiles 

Virtual Router Redundancy Protocol (VRRP) 

VLAN Range 

VLAN.DAT to NVGEN 

VLANs over IP Unnumbered Sub-Interfaces 

VMI QoS 

VMWI for SCCP FXS Ports 

Voice Application Access To SS7 Signaling 

Voice Busyout Enhancements 

Voice Call Tuning 

Voice DSP Control Message Logger 

Voice Gateway/MTP 

Voice over Frame Relay (FRF.11) 

Voice Over IP (VoIP) 

Voice over IP Q.SIG Network Transparency 

Voice Quality Enhancements 

Voice Quality Enhancements on Cisco Unified Border Element Platforms 

VoiceXML RECORD Element





VoiceXML SS7 ISUP Session Variables 

VoIP and Cisco Express Forwarding (CEF) Interoperability 

VoIP and Policy Based Routing (PBR) Interoperability 

VoIP Call Admission Control using RSVP 

VoIP Debug Filtering 

VoIP Gateway Trunk and Carrier Based Routing Enhancements 

VoIP Internal Error Codes 

VoIP Outgoing Trunk Group Identification and Carrier ID for Gateways 

VoIP Trunk Group Label Routing Enhancement 

VPDN Default Group Template 

VPDN Group Session Limiting 

VPDN Multihop by DNIS 

VPN Routing Forwarding (VRF) Framed Route (Pool) Assignment via PPP 

VPN Tunnel Management 

VRF Aware Cisco IOS Firewall 

VRF Aware Dialer Watch 

VRF aware H.323 and SIP 

VRF aware IOS IPS 

VRF aware IPsec 

VRF Aware RSVP Agent and Gateway 

VRF Aware System Message Logging (Syslog) 

VRF support on Cisco Unified Communications Manager Express, Survivable Remote Site Telephony and Secure VRF Traversal for Audio calls 

VRF-Aware VPDN Tunnels 

VRRP MD5 Authentication 

Warm Reload 

WCCP L2 Return 

WCCP Layer 2 Redirection / Forwarding 

WCCP Mask Assignment 

WCCP Redirection on Inbound Interfaces 

WCCP Version 1 

WCCP Version 2 

WCCP: VRF Support 

Web Services Management Agent (WSMA) 

WebVPN 

WebVPN Auto Applet Download 

WebVPN Hardware Acceleration Infrastructure 

WebVPN NTLM Authentication 

WebVPN RADIUS Accounting 

Weighted Fair Queueing (WFQ) 

Weighted RED (WRED) 

Wildcard Pre-Shared Key 

WRED Enhancement - Explicit Congestion Notification (ECN) 

x Digital Subscriber Line (xDSL) Bridge Support 

X.25 

X.25 Annex G Session Status Change Reporting 

X.25 Call Confirm Packet Address Control 

X.25 Call Record 

X.25 Calling Address Insertion and Removal Based on Input Interface 

X.25 Closed User Group 

X.25 Data Display Trace 

X.25 Failover 

X.25 Load Balancing 

X.25 on ISDN D-Channel 

X.25 over Frame Relay (Annex G) 

X.25 over TCP (XOT) 

X.25 Over TCP Profiles 

X.25 Remote Failure Detection 

X.25 Station Type For ISDN D-Channel Interface 

X.25 Suppression of Security Signaling Facilities 

X.25 Switch Local Acknowledgement 

X.25 Switching between PVCs and SVCs 

X.25 Terminal Line Security for PAD Connections



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X.25 Throughput Negotiation 

X.28 Emulation 

XML-PI 

ZBFW (Zone-Based Policy Firewall) 

ZBFW support for MSRPC 

Zone Based Firewall (ZBFW) Usability and Manageability Features 

Some features are dependent on product model, interface modules (i.e. Line Cards & Port Adapters), and/or require a software feature license. Click here for more information. 

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