Cross-Platform Release Notes for Cisco IOS Release 15.4M&T
15_4T_feats_important_notes.fm

Table Of Contents

Features and Important Notes for Cisco IOS Release 15.4(1)T

New and Changed Information

New Hardware Features Supported in Cisco IOS Release 15.4(1)T

New Software Features Supported in Cisco IOS Release 15.4(1)T

MIBs

Important Notes

Field Notices and Bulletins


Features and Important Notes for Cisco IOS Release 15.4(1)T

These release notes describe the following topics:

New and Changed Information

MIBs

Important Notes

New and Changed Information

This section lists the new hardware and software features supported by Cisco IOS Release 15.4(1)T and contains the following subsections:

New Hardware Features Supported in Cisco IOS Release 15.4(1)T

New Software Features Supported in Cisco IOS Release 15.4(1)T

New Hardware Features Supported in Cisco IOS Release 15.4(1)T

This section describes new and changed features in Cisco IOS Release 15.4(1)T. Some features may be new to Cisco IOS Release 15.4(1)T but were released in earlier Cisco IOS software releases. Some features may have been released in earlier Cisco IOS software releases and have been changed in Cisco IOS Release 15.4(1)T. To determine if a feature is new or changed, see the feature information table at the end of the feature module for that feature. Links to feature modules are included. If a feature does not have a link to a feature module, that feature is documented only in the release notes.

Lead Free 800

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/routers/access/800/860-880-890/hardware/installation/guide/1Overview880-860.html

New Software Features Supported in Cisco IOS Release 15.4(1)T

This section describes new and changed features in Cisco IOS Release 15.4(1)T. Some features may be new to Cisco IOS Release 15.4(1)T but were released in earlier Cisco IOS software releases. Some features may have been released in earlier Cisco IOS software releases and have been changed in Cisco IOS Release 15.4(1)T. Links to feature modules are included. If a feature listed does not have a link to a feature module, that feature is documented only in the release notes.

Any Transport over MPLS (AToM): Remote Ethernet Port Shutdown

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios/mpls/configuration/guide/mp_any_transport.html

AVC

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios/solutions_docs/avc/ios_15.4_1T_ios_xe3_11/avc_user_guide_ios_15.4_1T_iosxe3_11.html

BFD Support for Multicast(PIM)

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_pim/configuration/15-mt/imc_bfdpim.html

BGP - L3VPN iBGP pe-ce (RFC 6368)

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_bgp/configuration/15-mt/irg-l3vpn-ibgp-pe-ce.html

CFM & PM on Double-tagged L3 Subinterfaces

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/routers/access/1900/software/configuration/guide/Software_Configuration.html

Cisco 1000 Series Connected Grid Routers (CGR 1000 Series)

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/products/ps10978/products_installation_and_configuration_guides_list.html

Cisco TrustSec with SXPv4

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_usr_cts/configuration/15-mt/sec-cts-sxpv4.html

Configuring ITU-T Y.1731 Fault Management Functions

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios/cether/configuration/guide/ce_cfm_y1731.html

CUBE HA Enhancements:Stateful Switch Over (SSO) for SIP Signaling over TCP/TLS connection, HA Protected State to simplify Active reboot, including SYSLOG msg, HA Box to Box Redundancy for ASR1006

This feature enhances existing CUBE High Availability and introduces the following:

1. Redundancy Group Protected mode

2. Box to Box (B2B) redundancy support for customers that require large DSP resource capacity

For more information about this feature, see the following documents:

http://www.cisco.com/en/US/products/sw/voicesw/ps5640/products_configuration_example09186a0080b40d82.shtml

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_mgmt/configuration/15-mt/cube-mgmt-15-mt-book.html

Dial peer simplification

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/dialpeer/configuration/15-mt/vd-mdp-dialpeer.html

Disjoint LISP RLOC Domains Support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_lisp/configuration/15-mt/irl-lisp-support-for-disjoint-rloc-domains.html

DNSv6 support with VRF

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipaddr_dns/configuration/15-mt/dns-spl-dns.html

Easy Performance monitor

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/avc/configuration/15-mt/avc-ezpm.html

eiBGP multipath for non VRF interfaces (IPv4/IPv6)

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_bgp/configuration/15-mt/irg-eibgp-multipath-for-nonvrf-interfaces.html

EIGRP debug for EVN

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/evn/configuration/15-mt/evn-confg.html

EIGRP Over the Top

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/partner/docs/ios-xml/ios/iproute_eigrp/configuration/15-mt/ire-eigrp-over-the-top.html

EIGRP Support for 6PE/6VPE

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_eigrp/configuration/15-mt/ire-6pe-6vpe.html

Enable Automatic Configuration of Flow Metadata in the Reverse Direction

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/mdata/configuration/15-mt/metadata-framework.html

Enable bi-directional SXP support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_usr_cts/configuration/15-mt/cts-bi-sxp.html

Enable Call Transfer From vXML/CVP to Avoid Loopback Routing thru MTP (Staples)

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios/voice/ivr/configuration/guide/tcl_c.html

Ethernet Data-Plane Loopback - Route port support & HA

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/cether/command/ce-cr-book.html

FlexVPN IPv6 Direct Spoke to Spoke

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_ike2vpn/configuration/15-mt/sec-flex-spoke.html

GETVPN IKEv1 Separation

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_getvpn/configuration/15-mt/sec-get-vpn.html

IOS BGP-BGP C-Route Full SM Support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_mvpn/configuration/15-mt/imc_bgp_croute.html

IOS IKEv2 support for AutoReconnect feature of AnyConnect

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_ike2vpn/configuration/15-mt/sec-cfg-recon-flex.html

IPV6 MVPN with MLDP

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_lsm/configuration/15-mt/imc_mldp-based_mvpn.html

IPv6 Static Route support for Object Tracking

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipapp/configuration/15-mt/iap-ipv6-static-route-object-track.html

L3VPN per CE label

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/mp_l3_vpns/configuration/15-mt/mp-l3-vpns-15-mt-book.html

LISP ESM Multihop mobility

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_lisp/configuration/15-mt/irl-lisp-esm-multihop-mobility.html

mLDP In-band signaling / Transit Mode

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_lsm/configuration/15-mt/imc-inband.html

MLDP-Based MVPN

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_lsm/configuration/15-mt/imc_mldp-based_mvpn.html

Monitoring Mechanism for Phantom Packets

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_sip/configuration/15-mt/phantom_packet_handling.html

MVPN BGP C-Route Full SM Support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_mvpn/configuration/15-mt/imc_bgp_croute.html

MVPN mLDP Partitioned MDT Including Wildcard

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_mvpn/configuration/15-mt/imc_mldp_mdt.html

MVPNv6 Extranet

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_mvpn/configuration/15-mt/imc_mc_vpn_extranet.html

NAT 64 Stateless Functionality

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipaddr_nat/configuration/15-mt/iadnat64-stateless.html

NBAR2: Add/Rename Static Attributes

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/qos_nbar/configuration/15-mt/clsfy-traffic-nbar.html

NBAR2: Integrate NBAR Taxonomy into the Router

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/qos_nbar/configuration/15-mt/nbar-protocl-pack.html

NBAR2: Modify Content of Standard Protocol Pack

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/qos_nbar/prot_lib/config_library/ppStandard/nbar-Std-protpack10.html

OSPFv2 Cryptographic Authentication

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_ospf/configuration/15-mt/iro-ospfv2-crypto-authen.html

OSPFv2 Multi Area Adjacency

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_ospf/configuration/15-mt/iro-multi-area-adj.html

Per Tunnel QoS

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_dmvpn/configuration/xe-3s/sec-conn-dmvpn-per-tunnel-qos.html

PKI Split VRF in Trustpoint

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_conn_pki/configuration/15-mt/sec-pki-split-vrf.html

PMIP - Dynamic CoA Support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/mob_pmipv6/configuration/15-mt/imo-pmipv6-dynamic-coa.html

PMIP - Mobile Router Support

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/mob_pmipv6/configuration/15-mt/imo-pmipv6-mobile-router.html

PMIP: Multipath Support on MAG

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/mob_pmipv6/configuration/15-mt/imo-pmipv6-multipath-support.html

Retain DSCP Setting of RTP Packet

This feature introduces the preserving and forwarding of Differentiated services code point (DSCP) markings received from endpoints by Cisco Unified Communications Manager (CUCM) when the programmed value from CUCM is NULL.

Media Termination Point (MTP) does not store the DSCP for a session, but picks the value from an incoming packet and inserts it into an outgoing packet. Thus DSCP value from an endpoint can change in the middle of a session.

Role-Based CLI Inclusive Views

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/partner/docs/ios-xml/ios/sec_usr_cfg/configuration/15-mt/sec-role-base-cli.html

Secure CDP

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/cdp/configuration/15-mt/nm-cdp-secure.html

Secure Reversible Passwords for AAA

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_usr_aaa/configuration/15-mt/sec-aaa-type6-rev-pw.html

Service Discovery Gateway

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipaddr_dns/configuration/15-mt/dns-serv-disc.html

SIP Signaling Enhancements: URI based dialing, Pass-through of Unsupported and non-Mandatory Headers, CUBE Graceful Shutdown mode, Configurable SIP Error codes, SHA1_80 support in SRT

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_proto/configuration/15-mt/sip-supp-uri-based-dialing.html

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_proto/configuration/15-mt/sip-supp-srtp-term.html

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_sip/configuration/15-mt/sip-supp-err-codes.html

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_sip/configuration/15-mt/voi-conf-pass-thro.html

Strong Passwords for NERC CIP Compliance

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/products/ps10977/products_installation_and_configuration_guides_list.html

Support AAC-LD MP4-LATM CODEC support on CUBE for interworking with Media Sense for forked calls

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/cube_proto/configuration/15-mt/voi-cube-mp4-latm-codec.html

Token Authentication

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_usr_aaa/configuration/15-mt/sec-token-auth.html

TrustSec Inline Tagging Capability

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/routers/access/1900/software/configuration/guide/Secconf1_external_docbase_0900e4b180c9d7f0_4container_external_docbase_0900e4b181547f63.html

UDP Raw Socket Transport

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/products/ps10977/products_installation_and_configuration_guides_list.html

Unified Communications and Collaboration DSP Serviceability Enhancements

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/debug/command/e1/db-e1.html

VRF-Aware Cloud Web Security

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/sec_data_zbf/configuration/15-mt/vrf-aware-web-sec.html

VRRP aware PIM

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti_pim/configuration/15-mt/imc_vrrp_aware.html

WSMA Enhancements for Wireless Management

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/wsma/configuration/15-mt/wsma-enhancement.html

X.28 Configurable PAD Options

For detailed information about this feature, see the following document:

http://www.cisco.com/en/US/docs/ios-xml/ios/wan_smxl/configuration/15-mt/wan-x28-pad-enhanc.html

MIBs

To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use the Cisco MIB Locator found at the following URL:

http://tools.cisco.com/ITDIT/MIBS/servlet/index

If the Cisco MIB Locator does not support the MIB information that you need, you can obtain a list of supported MIBs and download MIBs from the Cisco MIBs page at the following URL:

http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml

To access the Cisco MIB Locator, you must have an account on Cisco.com. If you have forgotten or lost your account information, send a blank e-mail to cco-locksmith@cisco.com. An automatic check will verify that your e-mail address is registered with Cisco.com. If the check is successful, account details with a new random password will be e-mailed to you. Qualified users can establish an account on Cisco.com by following the directions found at this URL:

http://tools.cisco.com/RPF/register/register.do

Important Notes

The following sections contain important notes about Cisco IOS Release 15.3M:

Field Notices and Bulletins

Field Notices and Bulletins

Field Notices—Cisco recommends that you view the field notices for this release to see if your software or hardware platforms are affected. You can find field notices at http://www.cisco.com/en/US/support/tsd_products_field_notice_summary.html.

Bulletins—You can find bulletins at http://www.cisco.com/en/US/products/sw/iosswrel/ps5012/prod_literature.html.