Assigning A Subnet Mask - Cisco 7902G Administration Manual

Chapter 4 Configuring Network Settings on the Cisco Unified IP Phone
Using the Phone's Network Configuration Screen (Cisco Unified IP Phone 7905G and 7912G)
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7

Assigning a Subnet Mask

Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SCCP), Cisco Unified IP Phones
OL-8151-01
Procedure
Display the Network Configuration menu.
For instructions, see the
on page 4-5.
Unlock Network Configuration menu options.
For instructions, see the
Configuration Menu" section on page
Scroll to Default Router.
Press the Edit softkey.
Enter the new IP address.
For information about entering values, see the
the Network Configuration Menu" section on page
Press Validat.
Press Save.
The subnet mask is used to partition the IP address into a network and a host
identifier. The subnet mask is used to mask a portion of the IP address so that
TCP/IP can distinguish the network ID from the host ID.
Before you can assign a subnet mask, you must disable DHCP. For instructions,
see the "Disabling DHCP" section on page
"Displaying the Network Configuration Menu" section
"Unlocking and Locking Options on the Network
4-6.
"Guidelines for Editing Settings in
4-17.
Configuring IP Settings
4-7.
4-23