Cisco Cisco IOS Software Release 12.2(27)SBC
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TCP Window Scaling
The TCP Window Scaling feature adds support for the Window Scaling option in RFC 1323. A larger
window size is recommended to improve TCP performance in network paths with large bandwidth,
long-delay characteristics that are called Long Fat Networks (LFNs). This TCP Window Scaling
enhancement provides that support.
window size is recommended to improve TCP performance in network paths with large bandwidth,
long-delay characteristics that are called Long Fat Networks (LFNs). This TCP Window Scaling
enhancement provides that support.
Configuration Information
Configuration information is included in the “Configuring TCP” module of the Cisco IOS IP Application
Services Configuration Guide, Release 12.4T,
Services Configuration Guide, Release 12.4T,
at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcg/tiapp_c/htiptcp.htm
The following sections provide information about this feature:
•
TCP Window Scaling
•
Configuring TCP Performance Parameters
•
Verifying TCP Performance Parameters
For a complete list of features included in the “Configuring TCP” module, see the Feature Information
Table located toward the end of the module.
Table located toward the end of the module.
Command Reference Information
Command reference information is included in the Cisco IOS IP Application Services Command
Reference,
Reference,
Release 12.2SB, at the following URL:
New or Modified Commands
The following command is modified for this feature:
•
ip tcp window-size