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Note: If you need help with the the text entry feature on the Cisco 7920, see the Background Theory section
of this document.
Choose Edit Menu > Network Config > 802.11b Configuration > Wireless Settings > SSID >
SSID1 > Specify .
When you are done, click OK.
1.
Turn the Cisco 7920 off and back on again.2.
Refresh the Cisco Aironet 1200 AP Home page.3.
The Cisco 7920 should associate and authenticate with the Cisco Aironet 1200 AP.
If you are still having problems, then choose Setup > Address Filters to view the configuration.
Make certain that you have not setup a MAC address filter that blocks the Cisco 7920s
MAC address.
a.
If you have a wireless data client available, test it to see if it can associate and authenticate
with the Cisco Aironet 1200 AP.
If it can, then compare the settings on it with the Cisco 7920. The Cisco 7920 must be able to
associate and authenticate with the 1200 AP, to register with the Cisco CallManager server.
b.
4.
Cisco 7920 Error Message − No Service IP Config Failed
If the Cisco 7920 is setup to obtain its IP parameters from a DHCP serverand it is not able connect to the
DHCP server or the DHCP server is not able to provide an IP address to the Cisco 7920then the No
Service IP Config Failed error message appears. A DHCP server problem or misconfigured WEP
Encryption Keys cause this problem.
DHCP
Troubleshooting DHCP problems is beyond the scope of this document. Refer to Solving DHCP and TFTP
Problems with Windows 2000 and CallManager IP Phones.
As an alternative you can use static IP parameters to eliminate the DHCP server from the configuration, so
that you can continue to troubleshoot the Cisco 7920s registration process. See the Configuring the Cisco
7920 section of this document to configure a static IP address. Select an IP address from the appropriate
subnet that is not already in use on the network. Turn the Cisco 7920 off and back on again, after you have
configured the static IP address.
Incorrect WEP Keys
Incorrect WEP keys cause the Cisco 7920 to send IP packets that are not decrypted properly by the Cisco
Aironet 1200 AP. This problem has the same symptoms as a loss of IP connectivity. Verify that the Cisco
7920 and the 1200 AP have the same WEP keys configured.
See Step 15 in Configuring the Cisco 7920 for information on Cisco 7920 Network Security..•
See Step 6 in Configuring the Cisco Aironet 1200 AP for information on Cisco Aironet 1200 AP
Radio Data Encryption.
•
If the Cisco 7920 registers with the Cisco CallManager server, you have successfully completed this task.