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Cisco Content Services Gateway - 2nd Generation Release 2.0 Installation and Configuration Guide

OL-15491-01

Appendix A CSG2 Command Reference

mode tcp

To specify the mode for CSG2 TCP sessions, use the mode tcp command in CSG2 content configuration

mode. To use the default mode, use the no form of this command.

mode tcp {datagram | transparent [zero]}

no mode tcp

Syntax Description

Defaults If you do not configure this command, the CSG2 treats TCP sessions as transparent, forwarding all TCP

packets, including out-of-order packets, and reporting all new and retransmitted TCP payload bytes.

Command Modes CSG2 content configuration

Command History

Usage Guidelines The mode tcp command is valid only if the parse protocol other command is also specified for the

content.

If you configure the mode tcp transparent command, the CSG2 forwards all TCP packets, including

out-of-order packets, and reports all new and retransmitted TCP payload bytes. If you also configure the

optional zero keyword, the CSG2 reports zero TCP bytes. The CSG2 uses TCP signals to establish and

terminate the TCP sessions.

If you configure the mode tcp datagram command, the CSG2 forwards all TCP packets, including

out-of-order packets, and reports zero TCP payload bytes. Each TCP session is established by the first

SYN, and terminated by the content's idle timer.

Examples The following example specifies transparent mode for TCP sessions for CSG2 content VPN:

ip csg content VPN

ip any tcp 10000

mode tcp transparent

Related Commands

datagram Specifies that the CSG2 is to treat TCP sessions as datagrams.

transparent Specifies that the CSG2 is to treat TCP sessions as transparent.

zero (Optional) Specifies that TCP bytes are not to be reported for transparent TCP

sessions.

Release Modification

12.4(11)MD6 This command was introduced.

Command Description

ip csg content Configures content for CSG2 services, and enters CSG2 content configuration

mode.

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