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4.5.7.a.
Telnet Access Limitation Configuration
On the System Security Configuration Menu, pressing "A" opens the Telnet Access
Limitation screen, as shown in Fig. 4-18. On this screen, you can configure limita
-
tion of equipment accessing to this Switching Hub via Telnet.
PN28168 Local Management System
System Security Configuration -> Telnet Access Limitation Menu
Telnet Access Limitation : Disabled
No. IP Address Subnet Mask
--- --------------- ---------------
1 <empty> <empty>
2 <empty> <empty>
3 <empty> <empty>
4 <empty> <empty>
5 <empty> <empty>
-------------------------------- <COMMAND> -----------------------------------
[E]nable/Disable Telnet Access Limitation
[A]dd IP Address and Subnet Mask
[D]elete IP Address and Subnet Mask
[M]odify IP Address and Subnet Mask
[Q]uit to previous menu
Command>
Enter the character in square brackets to select option
Fig. 4-18 Telnet Access Limitation Configuration
Available commands are listed below.
E
Enable/disable the access limitation via Telnet.
E
Enable the access limitation.
D
Disable the access limitation.
A
Set accessible IP addresses. Five ranges can be set up.
1. Press "A." The command prompt changes to "Enter IP address entry number>." Enter an
IP address entry number between 1 and 5.
2. The command prompt changes to "Enter IP address>." Enter an IP address to be accessi
-
ble.
3. If the IP address is correct, the command prompt changes to "Enter subnetwork mask>."
Enter a range of IP address to which you wish to permit access with mask.
(Setting example)
No. IP Address Subnet Mask Accessible IP Address
--- ------------------ -------------------------- --------------------------------------------------
1 192.168.1.10 255.255.255.255 192.168.1.10
(Only one unit can be accessed)
2 192.168.1.20 255.255.255.254 192.168.1.20、192.168.1.21
(Two units can be accessed)
3 192.168.2.1 255.255.255.128 192.168.2.1 ～ 192.168.2.127
(127 units can be accessed)
4 192.168.3.1 255.255.255.0 192.168.3.1 ～ 192.168.3.254
(254 units can be accessed)
