Specifications

Configuring Asynchronous Lines and Interfaces
Configuration Examples for Asynchronous Interfaces and Lines
DC-34
Cisco IOS Dial Technologies Configuration Guide
Forcing Header Compression at the EXEC Level
On SLIP interfaces, you can force header compression at the EXEC prompt on a line on which header
compression has been set to passive. This option allows more efficient use of the available bandwidth
and does not require entering privileged configuration mode.
To implement header compression, use the following command in interface configuration mode:
For PPP interfaces, the passive option functions the same as the on option.
See the following sections for examples of header compression:
• TCP Header Compression Configuration Example
• Network Address Conservation Using the ip unnumbered Command Example
• IGRP Configuration Example
Configuration Examples for Asynchronous Interfaces and Lines
This section provides the following asynchronous interface configuration examples:
• Interface and Line Configuration Examples
• Line AUX Configuration Example
• Rotary Group Examples
• Dedicated Asynchronous Interface Configuration Example
• Access Restriction on the Asynchronous Interface Example
• Group and Member Asynchronous Interface Examples
• Asynchronous Interface Address Pool Examples
• IP and SLIP Using an Asynchronous Interface Example
• IP and PPP Asynchronous Interface Configuration Example
• Asynchronous Routing and Dynamic Addressing Configuration Example
• TCP Header Compression Configuration Example
• Network Address Conservation Using the ip unnumbered Command Example
• Asynchronous Interface As the Only Network Interface Example
• Routing on a Dedicated Dial-In Router Example
• IGRP Configuration Example
Command Purpose
Router(config-if)# ip tcp header-compression
passive
Allows status of header compression to be assigned at the user level.