4.3.1 Establishing the Configuration Task
Before configuring the VTY user interface, familiarize yourself with the applicable environment,
complete the pre-configuration tasks, and obtain the required data. This can help you complete
the configuration task quickly and accurately.
Applicable Environment
If you need to log in to the router for local or remote maintenance by using Telnet or SSH, you
can configure the corresponding VTY user interface, including the maximum number of VTY
user interfaces, limit of incoming and outgoing calls, user priority, and user authentication mode.
The preceding parameters have default values on the router. You can also set these parameters
as needed.
Pre-configuration Tasks
Before configuring VTY user interface, complete the following tasks:
l Logging in to the router by using a terminal
Data Preparation
To configure a VTY user interface, you need the following data.
No.
Data
1 Maximum VTY user interfaces
2 (Optional) ACL code to limit VTY user interface to call in and out
3 Idle timeout period, number of characters in each line displayed in a terminal screen
4 User priority
5 User authentication method, user name, and password
NOTE
All the preceding parameters (excluding the ACL for limiting incoming and outgoing calls in VTY user
interfaces, password, and user name) have default values on the router, and no additional configuration is
needed.
4.3.2 Configuring Maximum VTY User Interfaces
This section describes how to limit the number of users logging in to the router by configuring
the maximum number of VTY user interfaces.
Context
The maximum number of VTY user interfaces is the total number of users logging in to the
router by using Telnet and SSH.
Huawei AR2200 Series Enterprise Routers
Configuration Guide - Basic Configuration 4 Configuring User Interface
Issue 02 (2011-10-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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