Cabletron Systems ESX-1380 - Manual (Page 38)

Chapter 4: The System Level Screen
4-6 ESX-1320/ESX-1380 Local Management Guide
4.5 SETTING THE SUBNET MASK
Subnets are logical divisions of the network. To change the subnet mask
from its default value, perform the following steps:
1. Use the arrow keys to highlight the Subnet Mask field.
2. Enter the subnet mask using Decimal Dotted Notation (DDN) format.
Values for each decimal must range from 0-255.
For example: 255.255.0.0
3. Press ENTER. If the subnet mask entered was a valid format, the
cursor returns to the beginning of the Subnet Mask field. If the entry
was not valid, the Event Message field displays “INVALID SUBNET
MASK OR FORMAT ENTERED”. Local Management does not alter
the current value and refreshes the Subnet Mask field with the
previous value.
4. Use the arrow keys to highlight the SAVE command field.
5. Press ENTER. The Event Message field at the top of the screen
displays “SAVED OK”.
4.6 SETTING THE DEFAULT GATEWAY
To set the default gateway, perform the following steps:
1. Use the arrow keys to highlight the Default Gateway field.
2. Enter the IP address of the default gateway using DDN format.
For example: 134.141.79.121
3. Press ENTER. If the default gateway entered was a valid format, the
cursor returns to the beginning of the Default Gateway field. If the
entry was not valid, the Event Message field displays “INVALID
DEFAULT GATEWAY OR FORMAT ENTERED”. Local
Management does not alter the current value and refreshes the Default
Gateway field with the previous value.
4. Use the arrow keys to highlight the SAVE command field.
5. Press ENTER. The Event Message field at the top of the screen
displays “SAVED OK”.