Cisco Cisco IOS Software Release 15.1(1)T
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New Features in Cisco IOS Release 15.1
For the latest feature information and caveats, see the release notes for your platform and software
release at the following URL:
release at the following URL:
The release notes include a section listing new software and hardware features in a release. Most features
in a release note will have a URL to a feature guide describing the feature. In cases where a feature has
no required configuration or commands, the release note may provides the only feature description.
in a release note will have a URL to a feature guide describing the feature. In cases where a feature has
no required configuration or commands, the release note may provides the only feature description.
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.
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
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
. An account on Cisco.com is not required.
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EtherSwitch, Event Center, Explorer, Follow Me Browsing, GainMaker, iLYNX, IOS, iPhone, IronPort, the IronPort logo, Laser Link, LightStream,
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registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.
Cisco StackPower, Cisco StadiumVision, Cisco TelePresence, Cisco Unified Computing System, Cisco WebEx, DCE, Flip Channels, Flip for Good,
Flip Mino, Flipshare (Design), Flip Ultra, Flip Video, Flip Video (Design), Instant Broadband, and Welcome to the Human Network are trademarks;
Changing the Way We Work, Live, Play, and Learn, Cisco Capital, Cisco Capital (Design), Cisco:Financed (Stylized), Cisco Store, Flip Gift Card,
and One Million Acts of Green are service marks; and Access Registrar, Aironet, AllTouch, AsyncOS, Bringing the Meeting To You, Catalyst, CCDA,
CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Lumin, Cisco Nexus,
Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, Continuum, EtherFast,
EtherSwitch, Event Center, Explorer, Follow Me Browsing, GainMaker, iLYNX, IOS, iPhone, IronPort, the IronPort logo, Laser Link, LightStream,
Linksys, MeetingPlace, MeetingPlace Chime Sound, MGX, Networkers, Networking Academy, PCNow, PIX, PowerKEY, PowerPanels, PowerTV,
PowerTV (Design), PowerVu, Prisma, ProConnect, ROSA, SenderBase, SMARTnet, Spectrum Expert, StackWise, WebEx, and the WebEx logo are
registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.
All other trademarks mentioned in this document or website are the property of their respective owners. The use of the word partner does not imply
a partnership relationship between Cisco and any other company. (0910R)
a partnership relationship between Cisco and any other company. (0910R)
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any
examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only.
Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.
examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only.
Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.
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