Commands for Users Logged Into the IOLAN

Show Line Users

Description

Shows the users who are on the line.

User Level

Admin

Syntax

show line users

SSH

Description

Starts an SSH session to the specified host/IP address.

User Level

Normal, Admin

Syntax

ssh <hostname/IP_address> [<TCP_port>]

 

[termtype <terminal_name>] [authentication rsa onoff]

 

[authentication dsa onoff]

 

[authentication keyboard-interactive onoff]

 

[compression onoff] [protocol ssh-1ssh-2ssh-2,1]

 

[ssh-1-cipher 3desdesblowfish]

 

[ssh-2-cipher-list <3des blowfish cast aes arcfour> end-list]

 

[user <name>] [verbose onoff]

Options

<hostname/IP_address>

 

The name (resolvable via DNS) or IP address of the host you wish to connect to with

 

SSH.

 

<TCP_port>

 

The port number the target host is listening on for incoming connections. The default

 

for SSH is port number 22.

 

termtype

 

Type of terminal attached to this line; for example, ANSI or WYSE60.

 

authentication rsa

 

An authentication method used by SSH version 1 and 2. When enabled, an SSH client

 

session will try to authenticate via RSA.

 

authentication dsa

 

An authentication method used by SSH version 2. When enabled, an SSH client session

 

will try to authenticate via DSA.

 

authentication keyboard-interaction

 

The user types in a password for authentication.Used for SSH2 only.

 

compression

 

Requests compression of all data. Compression is desirable on modem lines and other

 

slow connections, but will only slow down things on fast networks.

 

protocol

 

Specify whether you are using SSH-1, SSH-2, or a combination of the two protocols,

 

SSH-2, SSH-1.

 

ssh-1-cipher

Select the encryption method (cipher) that you want to use for your SSH version 1 connection:

z3DES

zBlowfish

User Commands 55

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Perle Systems MDC, SDS manual Show Line Users, Authentication keyboard-interaction, Ssh-1-cipher, 3DES Blowfish

SDS, MDC specifications

Perle Systems is a leading provider of connectivity solutions, renowned for its robustness and reliability in networking hardware. Among its expansive product offerings, the MDC (Multiport Device Converter) and SDS (Serial Device Server) stand out as pivotal solutions for industries requiring seamless data communication and device management.

The Perle MDC serves as a powerful multi-port device converter, providing the ability to connect multiple serial devices to a computer network without needing a separate connection for each device. This is particularly useful in environments with limited computing resources or high device density, such as railways, manufacturing plants, or remote field operations. It is designed to convert serial communication, which is commonly used in legacy devices, into Ethernet/IP or TCP/IP protocols, ensuring that older devices can integrate into modern networks.

Main features of the MDC include its robust design for industrial environments, support for a variety of serial protocols, and multiple device connections. It supports data rates of up to 115200 bps and provides easy monitoring and configuration via a web-based interface. Additionally, the MDC incorporates advanced security features including SSL and SSH encryption, ensuring data integrity and protection against unauthorized access.

On the other hand, the Perle SDS model exemplifies advanced serial device hosting capabilities, allowing users to connect Ethernet networks to serial devices. It acts as a bridge, enabling remote devices to be configured and managed over IP networks. The SDS series is known for its versatility, supporting a range of serial communication protocols, including RS-232, RS-422, and RS-485, making it suitable for various applications such as point-of-sale systems, industrial automation, and remote monitoring.

The SDS boasts several characteristics that enhance its functionality, such as automatic device discovery, real-time monitoring, and local or cloud-based management options. Its feature set also includes traffic management capabilities, allowing the optimization of device communication by controlling the flow of data, which is critical for applications requiring high reliability and low latency.

Both the MDC and SDS benefit from a strong emphasis on ease of deployment and management. They support a range of network topologies, facilitating seamless integration into existing infrastructures. Furthermore, these devices are backed by Perle Systems' reputation for customer support and a commitment to ongoing innovation, ensuring that organizations can rely on these solutions for future growth and technological advancement.