Set Subnet Mask Field - Cisco 7800 series Administrator's Manual

Configure Network Settings

Set Subnet Mask Field

Procedure
Step 1
Set the DHCP Disabled option to Disable.
Step 2
Press Back , scroll to the Subnet Mask option, press Edit, and enter a new subnet mask.
Step 3 Press Validate, and then press Apply to apply the changes or Revert to discard the changes.
Set Default Router Field
Procedure
Step 1 Set the DHCP Enabled option to Disable.
Step 2
Press
Step 3 Press Validate, and then press Apply to apply the changes or Revert to discard the changes.
Set DNS Server Fields
Procedure
Step 1 Set the DHCP Disabled option to Disable.
Step 2
Press Back , scroll to the Subnet Mask option, press Edit, and enter a new subnet mask.
Step 3 Press Validate, and then press Apply to apply the changes or Revert to discard the changes.
Step 4 If multiple DNS Servers can be configured, repeat Steps 2 and 3 as needed to assign backup DNS servers.
Cisco IP Phone 7800 Series Administration Guide for Cisco Unified Communications Manager
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, scroll to the Subnet Mask option, press Edit, and enter a new subnet mask.