Switched Rack PDU

USER’S GUIDE

®

 

If you are using SSH version 2, expect a noticeable delay

 

when logging on to the control console of the Rack PDU.

 

Although the delay is not long, it can be mistaken for a

 

problem because there is no explanatory message.

 

 

Option

Description

 

 

Telnet/SSH Network Configuration

 

 

Access

Enables or disables the access method selected in Protocol Mode.

 

NOTE: Enabling SSH automatically disables Telnet. To enable SSH,

 

change the setting and then click Next>> in the Web interface or choose

 

Accept Changes in the control console. You must then agree to the

 

license agreement that is displayed.

 

 

Protocol

Choose one of the following:

Mode

Telnet: User names, passwords, and data are transmitted without

 

encryption.

 

Secure SHell (SSH), version 1: User names, passwords, and data are

 

transmitted in encrypted form. There is little or no delay when you are

 

logging on.

 

Secure SHell (SSH), version 2: User names, passwords, and data are

 

transmitted in encrypted form, but with somewhat more protection than

 

version 1 from attempts to intercept, forge, or alter data during data

 

transmission. There is a noticeable delay when you are logging on to

 

the Rack PDU.

 

Secure SHell (SSH), versions 1 and 2: Do not enable both versions of

 

SSH unless you require that both be activated at the same time.

 

(Security protocols use extensive processing power.)

 

 

80

Page 83
Image 83
APC AP7900 manual If you are using SSH version 2, expect a noticeable delay