Table Of Contents
Cisco Express Forwarding Support for Layer 4 Port-Based Load Balancing
This feature allows Cisco Express Forwarding to include Layer 4 port information in the decision for load sharing on equal cost paths.
Configuration information is included in the "Configuring a Load-Balancing Scheme for CEF Traffic" module of the Cisco IOS IP Switching Configuration Guide, Release 12.4T, at the following URL:
The following sections provide information about this feature:
•Load-Balancing Algorithms for CEF Traffic
•Selecting an Include-Ports Layer 4 Load-Balancing Algorithm for CEF Traffic
•Selecting an Include-Ports Layer 4 Load-Balancing Algorithm for CEF Traffic: Example
For a complete list of features included in the "Configuring a Load-Balancing Scheme for CEF Traffic" module, see the Feature Information Table located toward the end of the module.
Command Reference Information
Command reference information is included in the Cisco IOS IP Switching Command Reference, Release 12.4T, at the following URL:
New or Modified Commands
The following commands are new or modified for this feature:
•ip cef load-sharing algorithm
•show ip cef exact-route
List of All Release 12.4T Commands
An alphabetical list of all Cisco IOS Release 12.4T commands is in the Cisco IOS Master Commands List, Release 12.4T, at the following URL:
List of All New, Modified, Removed, and Replaced Release 12.4T Commands
Alphabetized lists of all new, modified, removed, and replaced commands for each Cisco IOS Release 12.4T release are in the Cisco IOS New, Modified, Removed, and Replaced Commands, Release 12.4T, document at the following URL:CCDE, CCENT, Cisco Eos, Cisco Lumin, Cisco Nexus, Cisco StadiumVision, Cisco TelePresence, Cisco WebEx, the Cisco logo, DCE, and Welcome to the Human Network are trademarks; Changing the Way We Work, Live, Play, and Learn and Cisco Store are service marks; and Access Registrar, Aironet, 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 Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, EtherFast, EtherSwitch, Event Center, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, iQuick Study, IronPort, the IronPort logo, LightStream, Linksys, MediaTone, MeetingPlace, MeetingPlace Chime Sound, MGX, Networkers, Networking Academy, Network Registrar, PCNow, PIX, PowerPanels, ProConnect, ScriptShare, SenderBase, SMARTnet, Spectrum Expert, StackWise, The Fastest Way to Increase Your Internet Quotient, TransPath, WebEx, and the WebEx logo are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.
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