Network Router User Manual

Introduction 19
Typical Applications Summary
Typical Applications Summary
Managing the Device Server
The Device Server can be managed and configured by administrators through various methods,
allowing them full configuration capabilities and easy access to management statistics and tools.
Administrators can access the Device Server using the following methods:
z Connection through ethernet using the DeviceManager, a Windows-based configuration
application.
z Connection through ethernet using WebManager, via a web browser.
z Direct connection to the serial port using a Serial Terminal or Terminal Emulation Software.
z From the network through the ethernet interface using reverse Telnet (Port 23).
z Through an SNMP agent, using the Device Server MIB.
Managing/Accessing devices attached to the Device Server
The Device Server can be configured to allow users or administrators to view or manage specific
devices on the Device Server’s serial port across the Ethernet interface using two different methods.
z Direct Connect—users can directly connect to the device on the serial port by Telnet or SSH
(
Line Service must be set to Rev Telnet) using the Device Server’s configured IP address and
the serial device’s assigned TCP port number.
z Easy Port Access—users can connect to the Device Server using the configured Device Server’s
IP address by reverse Telnet (port number 23), and are provided with a device menu displaying
the name of the device that the user has access to. This feature eliminates the need for
administrators and users to recall the specific port number associated with a certain device
connected to the Device Server. The user can simply connect to a specific device based upon the
name of the device and then return to the device menu without disconnecting its initial reverse
Telnet connection.
Network Security
The Device Server provides a comprehensive suite of security features to allow an organization to
implement robust security planning to prevent unauthorized access. These include trusted host
filtering and the ability to disable individual services.