Programming instructions

178
3300 ICP Technician’s Handbook
Erasing an Authentication Username and Password
1. Access the configuration menu on the 5215 Dual Mode, 5220 Dual
Mode, or 5235 IP Phone. See “Accessing the Configuration Menu” on
page 171.
2. From NETWORK PARAMETERS? press No until on the telephone
keypad until TOOLS AND FEATURES? appears.
3. Press Yes.
4. Press No until EDIT 8021X SETTINGS appears.
5. Press Yes. ERASE 8021X DATA? appears in the display.
6. Press Yes to erase the current username and password.
7. Press Yes. The phone erases the data from its flash and then reboots.
Enabling or Disabling 802.1X Authentication
By default, EAP- MD5 Challenge Authentication Protocol is enabled on
5215 Dual Mode, 5220 Dual Mode, and 5235 IP Phones. If your network
does not use this protocol, you do need to disable support for it on these
phones.
1. Access the configuration menu. See “Accessing the Configuration
Menu” on page 171.
2. From NETWORK PARAMETERS? press No until on the telephone
keypad until TOOLS AND FEATURES? appears.
3. Press Yes.
4. Press No until EDIT 8021X SETTINGS appears.
5. Press Yes. ERASE 8021X DATA? appears in the display.
6. Press No. If currently enabled, you are prompted to disable 8021X. If
currently disabled, you are prompted to enable 8021X.
7. Press Yes.
8. Press Yes. The phone erases the data from its flash and then reboots.
Tip: The IP phone usernames and passwords that you configured for
EAP-MD5 Challenge Authentication do not need to be reprogrammed
if power to the phone is lost.