3com DUA1750-2BAA01 Manual De Usuario

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3Com Switch 8800 Configuration Guide 
Chapter 4  User Interface Configuration
 
4-1 
Chapter 4  User Interface Configuration 
4.1  User Interface Overview 
User interface configuration is another way provided by the switch to configure and 
manage the port data. 
The Switch 8800 supports the following configuration methods: 
Local configuration via the Console port and AUX port 
Local and remote configuration through Telnet on Ethernet port 
Remote configuration through dialing with modem via the AUX port. 
According to the above-mentioned configuration methods, there are three types of user 
interfaces: 
Console user interface 
Console user interface is used to log in the switch via the Console port. A switch can 
only have one Console user interface. 
AUX user interface 
AUX user interface is used to log in the switch locally or remotely with a modem via the 
AUX port. A switch can only have one AUX user interface. The local configuration for it 
is similar to that for the Console user interface. 
VTY user interface 
VTY user interface is used to telnet the switch. A switch can have up to five VTY user 
interface. 
User interface is numbered in the following two ways: absolute number and relative 
number. 
I. Absolute number 
The user interfaces for IP PBX fall into three types and they are sequenced as follows: 
console interface (CON), auxiliary interface (AUX) and virtual interface (VTY). A switch 
has one CON, one AUX and multiple VTYs. The first absolute number is designated as 
0; the second one is designated as 1; and so on. This method can specify a unique user 
interface or a group of interfaces. 
It follows the rules below. 
Console user interface is numbered as the first interface designated as user 
interface 0. 
AUX user interface is numbered as the second interface designated as user 
interface 1.