Lantronix XPress-DR-IAP Guide de l'utilisateur télécharger pdf (Page 59)

Configure

The unit prompts for the number of host bits to be entered, then calculates the netmask, which

is displayed in standard decimal-dot notation when the saved parameters are displayed (for

example, 255.255.255.0).

Table 8 - Standard IP Network Netmasks

Network Class Host Bits Netmask

A 24 255.0.0.0

B 16 255.255.0.0

C 8 255.255.255.0

Table 9 - Netmask Examples

Netmask Host Bits

255.255.255.252 2

255.255.255.248 3

255.255.255.240 4

255.255.255.224 5

255.255.255.192 6

255.255.255.128 7

255.255.255.0 8

255.255.254.0 9

255.255.252.0 10

255.255.248.0 11

... ...

255.128.0.0 23

255.0.0.0 24

3.5.4 Change Telnet configuration password

Setting the Telnet configuration password prevents unauthorized access of the setup menu via

a Telnet connection to port 9999 or via Web pages. The password is limited to 4 characters.

An enhanced password setting of 16 characters is available under Security Settings for Telnet

access only. Passwords are alphanumeric and case sensitive.

Note: No password is required to access the Setup Mode window via a serial connection.

DSTni-XPress DR User Guide 3-13

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Lantronix XPress-DR-IAP Guide de l'utilisateur Page 59