2 ssh, 1 introduction to ssh, 2 ssh server configuration task list – QTECH QSW-3400 Инструкция по настройке User Manual

Page 37

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36

method1 [method2…]

no accounting line {console | vty}

command <1-15>

Admin Mode

terminal monitor

terminal no monitor

Display debug information for Telnet client

login to the switch; the no command disables

the debug information.

Telnet to a remote host from the switch

Command

Explanation

Admin Mode

telnet [vrf <vrf-name>] {<ip-addr> | <ipv6-

addr> | host <hostname>} [<port>]

Login to a remote host with the Telnet client

included in the switch.

2.2.2 SSH

2.2.2.1 Introduction to SSH

SSH (Secure Shell) is a protocol which ensures a secure remote access connection to network

devices. It is based on the reliable TCP/IP protocol. By conducting the mechanism such as key

distribution, authentication and encryption between SSH server and SSH client, a secure

connection is established. The information transferred on this connection is protected from

being intercepted and decrypted. The switch meets the requirements of SSH2.0. It supports

SSH2.0 client software such as SSH Secure Client and putty. Users can run the above

software to manage the switch remotely.

The switch presently supports RSA authentication, 3DES cryptography protocol and SSH user

password authentication etc.

2.2.2.2 SSH Server Configuration Task List

Command

Explanation

Global Mode

ssh-server enable

no ssh-server enable

Enable SSH function on the switch; the no

command disables SSH function.

username <username> [privilege

<privilege>] [password [0 | 7] <password>]

no username <username>

Configure the username and password of

SSH client software for logging on the switch;

the no command deletes the username.

ssh-server timeout <timeout>

no ssh-server timeout

Configure

timeout

value

for

SSH

authentication; the no command restores the

default timeout value for SSH authentication.

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