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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
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Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
ip tcp header-compression
ip tcp header-compression
Note The Cisco MWR 2941 supports UDP header-compression in IEFT format only.
To enable Transmission Control Protocol (TCP) header compression, use the ip tcp
header-compression command in interface configuration mode. To disable compression, use the no
form of this command.
ip tcp header-compression [passive] [iphc-format] [ietf-format]
no ip tcp header-compression [passive] [iphc-format] [ietf-format]
Syntax Description
Defaults Enabled.
For PPP interfaces, the default format for header compression is the IPHC format.
For High-Level Data Link Control (HDLC) and Frame Relay interfaces, the default format is as
described in RFC 1144, Compressing TCP/IP Headers for Low-Speed Serial Links.
Command Modes Interface configuration
Command History
passive (Optional) Compresses outgoing TCP packets only if incoming TCP packets
on the same interface are compressed. If you do not specify the passive
keyword, all TCP packets are compressed.
iphc-format (Optional) Indicates that the IP Header Compression (IPHC) format of
header compression will be used.
ietf-format (Optional) Indicates that the Internet Engineering Task Force (IETF) format
of header compression will be used.
Release Modification
10.0 This command was introduced.
12.0 This command was integrated into Cisco IOS Release 12.0. This command
was modified to include the iphc-format keyword.
12.3(4)T This command was integrated into Cisco IOS Release 12.3(4)T. This
command was modified to include the ietf-format keyword.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support
in a specific 12.2SX release of this train depends on your feature set,
platform, and platform hardware.
12.4(20)MR This command was integrated into Cisco IOS Release 12.4(20)MR.
12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.
15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.
15.1(3)MR This command was integrated into Cisco IOS Release 15.1(3)MR.
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