3com 5500-ei pwr Installation Instruction

 

3-6 

Set the maximum number 
of lines the screen can 
contain 

screen-length screen-length

Optional 

By default, the screen can contain up 
to 24 lines. 

You can use the screen-length 0 
command to disable the function to 
display information in pages. 

Set the history command 
buffer size 

history-command max-size 
value 

Optional 

The default history command buffer 
size is 10. That is, a history command 
buffer can store up to 10 commands 
by default. 

Set the timeout time of the 
user interface 

idle-timeout minutes 
[ seconds ] 

Optional 

The default timeout time of a user 
interface is 10 minutes. 

With the timeout time being 10 
minutes, the connection to a user 
interface is terminated if no operation 
is performed in the user interface 
within 10 minutes. 

You can use the idle-timeout 0 
command to disable the timeout 
function. 

 

When the authentication mode is password, the command level available to users logging in to the user 

interface is determined by the user privilege level command. 

Assume current user logins through the console port and the current user level is set to the 

administrator level (level 3). Perform the following configurations for users logging in to VTY 0 using 

Telnet.  

z 

Authenticate users using the local password. 

z 

Set the local password to 123456 (in plain text). 

z 

Commands of level 2 are available to the users. 

z 

Telnet protocol is supported. 

z 

The screen can contain up to 30 lines. 

z 

The history command buffer can contain up to 20 commands. 

z 

The timeout time of VTY 0 is 6 minutes. 

Figure 3-2 Network diagram for Telnet configuration (with the authentication mode being password)