Table Of Contents
New Features in Cisco IOS XE Release 2.4
New Hardware Features in Cisco IOS Release 2.4
New Software Features in Cisco IOS XE Release 2.4
New Features in Cisco IOS XE Release 2.4
The following features were introduced in Cisco IOS XE Release 2.4. Links to feature documentation are also included.
Feature guides may contain information about more than one feature. To find information about a specific feature within a feature guide, see the Feature Information table at the end of the guide.
Feature guides document features that are supported on many different software releases and platforms. Your Cisco IOS software release or platform may not support all the features documented in a feature guide. See the Feature Information table at the end of the feature guide for information about which features in that guide are supported in your software release. Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS software image support. To access Cisco Feature Navigator, go to http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp. An account on Cisco.com is not required.
For the latest feature information and caveats, see the release notes for your platform and software release at the following URL: http://www.cisco.com/en/US/docs/ios/ios_xe/2/release/notes/rnasr21.html
See the following sections for a list of features:
•New Hardware Features in Cisco IOS Release 2.4
•New Software Features in Cisco IOS XE Release 2.4
New Hardware Features in Cisco IOS Release 2.4
Cisco ASR 1002-Fixed Router
http://www.cisco.com/en/US/docs/routers/asr1000/install/guide/asr1routers/asr1higV8.html
Shared Port Adapters
POS SPAs
•8-Port OC-3 POS SPA (SPA-8XOC3-POS)
•2-Port, 4-Port, and 8-Port OC-12 POS SPAs (SPA-2XOC12-POS, SPA-4XOC12-POS, and SPA-8X0C-12-POS)
•1-Port OC-48 POS SPA (SPA-1XOC48POS/RPR)
•1-Port OC-192 POS SPA (SPA-OC192POS-XFP)
Services SPA
•Cisco WebEx Node for ASR 1000 Series (SPA-WMA-K9)
New Software Features in Cisco IOS XE Release 2.4
3 Level Egress QoS Policy
http://www.cisco.com/en/US/docs/ios/ios_xe/2/release/notes/rnasr21.html#wp1643282
802.1P CoS Bit Set for PPP and PPPoE Control Frames
http://www.cisco.com/en/US/docs/ios/ios_xe/bbdsl/configuration/guide/bba_cos_ppp_pppoe_xe.html
AAA Interim Accounting
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_cfg_accountg.html
ACL—Template ACL/12 Bit ACE
http://www.cisco.com/en/US/docs/ios/sec_data_plane/configuration/guide/sec_tmplacl.html
ANCP (Access Node Control Protocol)
http://www.cisco.com/en/US/docs/ios/ios_xe/ancp/configuration/guide/ancp_xe.html
ANCP Phase 2.5
http://www.cisco.com/en/US/docs/ios/ios_xe/ancp/configuration/guide/ancp_msad_coa_xe.html
Any Transport over MPLS (AToM): Ethernet over MPLS (EoMPLS)
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
Any Transport over MPLS (AToM): Ethernet over MPLS: Port Mode (EoMPLS)
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
Any Transport over MPLS (AToM): Remote Ethernet Port Shutdown
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
Any Transport over MPLS— Ethernet over MPLS Enhancements: Fast Reroute
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
Asynchronous Rotary Line Queuing
http://www.cisco.com/en/US/docs/ios/dial/configuration/guide/dia_asyn_que_role.html
Byte-Based Weighted Random Early Detection
http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/fsbyte_xe.html
Cache Control Enhancements for Certification Revocation Lists
Certificate—Complete Chain Validation
Cisco IOS SHA2 Support
http://www.cisco.com/en/US/docs/ios/ios_xe/2/release/notes/rnasr21.html#wp1656737
Cisco Unified Border Element (SP Edition)
http://www.cisco.com/en/US/docs/routers/asr1000/configuration/guide/sbcu/2_xe/sbcu_2_xe_book.html
Class-Based QoS MIB (CBQoSMIB) Enhancements
http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/cbqos_mib_xe.html
CoA—Multi-Service Activation/Deactivation in Single mMessage
http://www.cisco.com/en/US/docs/ios/ios_xe/ancp/configuration/guide/ancp_msad_coa_xe.html
Connect-info RADIUS Attribute 77—Configurable ASCII String
DHCP Server Radius Proxy
http://www.cisco.com/en/US/docs/ios/ios_xe/ipaddr/configuration/guide/iad_dhcp_rad_proxy_xe.html
Enabling ISG to Interact with External Policy Servers
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/en_isg_ext_plcy_svrs_xe.html
Etherchannel Flow Based Limited 1:1 Redundancy
http://www.cisco.com/en/US/docs/ios/lanswitch/configuration/guide/lsw_cfg_flwbal.html
Ethernet Overhead Accounting
http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/eth_overhead_acctng_xe.html
Firewall—NetMeeting Directory (LDAP) ALG Support
Firewall—SIP ALG—Extended Methods
http://www.cisco.com/en/US/docs/ios/ios_xe/sec_data_plane/configuration/guide/sec_fw_sip_alg_xe.html
H.323 RAS Support in IOS Firewall
http://www.cisco.com/en/US/docs/ios/sec_data_plane/configuration/guide/sec_h323ras_firewall.html
IEEE 802.1Q Tunneling (QinQ) for AToM
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_qnq_tunneling_atom_xe.html
IEEE 802.3ad Link Aggregation (LACP)
http://www.cisco.com/en/US/docs/ios/ios_xe/cether/configuration/guide/ce_lnkbndl_xe.html
Integrated Session Border Controller
The product formerly known as Integrated Session Border Controller is now known as the Cisco Unified Border Element (SP Edition). For information about this feature, see Cisco Unified Border Element (SP Edition).
Interactive OAM and Scaling Improvements
http://www.cisco.com/en/US/docs/ios/ios_xe/ancp/configuration/guide/ancp_xe.html
IP over IPv6 Tunnels
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-tunnel_xe.html
http://www.cisco.com/en/US/docs/ios/ios_xe/interface/configuration/guide/ir_impl_tun_xe.html
IPsec Usability Enhancements
IPv6 Multicast
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
IPv6 Multicast: Bootstrap Router (BSR)
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
IPv6 Multicast: IPv6 BSR—Ability to Configure RP Mapping
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
IPv6 Multicast: IPv6 BSR Bidirectional Support
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
IPv6 Multicast: PIM Sparse Mode (PIM-SM)
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
IPv6 Multicast: Routable Address Hello Option
http://www.cisco.com/en/US/docs/ios/ios_xe/ipv6/configuration/guide/ip6-multicast_xe.html
ISG: Accounting: Per-Service Accounting
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/cfg_isg_acctng_xe.html
ISG: Policy Control: Policy Server: Multi-Service Activation in access-accept Message
http://www.cisco.com/en/US/docs/ios/ios_xe/ancp/configuration/guide/ancp_msa_acc_xe.html
ISG: Policy Control: Policy Server: RADIUS-Based Policing
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/isg_rabapol_xe.html
L2TP Forwarding of PPPoE Tag Information
http://www.cisco.com/en/US/docs/ios/ios_xe/vpdn/configuration/guide/config_aaa_for_vpdn_xe.html
L2VPN Interworking—Ethernet to VLAN Interworking
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_l2vpn_intrntwkg_xe.html
L2VPN Pseudowire Redundancy: Multiple Backup Pseudowires
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/wan_l2vpn_pw_red_xe.html
L2VPN Pseudowire Switching
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_l2vpn_pseudo_swit_xe.html
Lawful Intercept
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_lawful_intercept.html
Layer 2 VPN (L2 VPN): Syslog, SNMP Trap, and show Command Enhancements for AToM and L2TPv3
http://www.cisco.com/en/US/docs/ios/wan/configuration/guide/wan_l2_tun_pro_v3.html
MCP GEC with QoS on memberlink
http://www.cisco.com/en/US/docs/ios/lanswitch/configuration/guide/lsw_cfg_gecqos.html
Modified LNS Dead-Cache Handling
http://www.cisco.com/en/US/docs/ios/ios_xe/vpdn/configuration/guide/config_aaa_for_vpdn_xe.html
MQC—Traffic Shaping Overhead Accounting for ATM
http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/overhead_acctng_xe.html
NAT—NetMeeting Directory (LDAP) ALG Support
http://www.cisco.com/en/US/docs/ios/ios_xe/ipaddr/configuration/guide/iadnat_applvlgw_xe.html
NAT SCCP Video Support
http://www.cisco.com/en/US/docs/ios/ios_xe/ipaddr/configuration/guide/iadnat_applvlgw_xe.html
NAT—SIP ALG - Extended Methods
http://www.cisco.com/en/US/docs/ios/ios_xe/ipaddr/configuration/guide/iadnat_applvlgw_xe.html
NAT Support of H.323v2 RAS
http://www.cisco.com/en/US/docs/ios/ios_xe/ipaddr/configuration/guide/iadnat_applvlgw_xe.html
NSF/SSO—Ethernet to Ethernet VLAN Interworking
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_trnsprt_mlps_atom_xe.html
OCSP—Server Certification from Alternate Hierarchy
Parameterization for ACL and Layer 4 Redirect
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/isg_l4_redirect_xe.html
Parameterization of QoS ACL
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/isg_rabapol_xe.html
Per Subinterface MTU for Ethernet over MPLS (EoMPLS)
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
PKI—CLI to Control Certificate Revocation List (CRL) Cache
http://www.cisco.com/en/US/docs/ios/ios_xe/2/release/notes/rnasr21.html#wp1752993
PPPoE Service Selection
http://www.cisco.com/en/US/docs/ios/ios_xe/bbdsl/configuration/guide/bba_pppoe_baa_xe.html
PPPoE Session Limit
http://www.cisco.com/en/US/docs/ios/ios_xe/bbdsl/configuration/guide/bba_limit_legcfg_xe.html
PPPoE Smart Server Selection
http://www.cisco.com/en/US/docs/ios/ios_xe/bbdsl/configuration/guide/bba_pppoe_sss_xe.html
PPPoE VLAN Session Throttling
http://www.cisco.com/en/US/docs/ios/ios_xe/bbdsl/configuration/guide/bba_pppoe_baa_xe.html
Pseudowire Emulation Edge-to-Edge MIBs for Ethernet, Frame Relay, and ATM Services
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_edge2edge_mibs_xe.html
QoS: CBQoSMIB Index Enhancements
http://www.cisco.com/en/US/docs/ios/ios_xe/qos/configuration/guide/cbqos_mib_xe.html
RADIUS-Based Lawful Intercept
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_lawful_intercept.html
RADIUS-Based Policing Attribute Modifications
http://www.cisco.com/en/US/docs/ios/ios_xe/isg/configuration/guide/isg_rabapol_xe.html
RADIUS—CLI to Prevent Sending of Access Request with Blank Username
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_cfg_authentifcn.html
RSA 4096-Bit Key Generation in Software Crypto Engine Support
http://www.cisco.com/en/US/docs/ios/ios_xe/2/release/notes/rnasr21.html#wp1873950
SCCP for Video
SSHv2 Enhancements
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_secure_shell_v2.html
VLAN ID Rewrite
http://www.cisco.com/en/US/docs/ios/ios_xe/mpls/configuration/guide/mp_any_transport_xe.html
VPDN LNS Address Checking
http://www.cisco.com/en/US/docs/ios/ios_xe/vpdn/configuration/guide/config_aaa_for_vpdn_xe.html
VPN Routing Forwarding (VRF) Framed Route (Pool) Assignment via PPP
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_per_vrf_aaa.html
VRF Aware LI (Lawful Intercept)
http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_lawful_intercept.htm
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