Cisco 7985G - IP Phone NTSC Video, Руководство администратора

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9-5
Cisco Unified IP Video Phone 7985G Administration Guide
OL-8726-02
Chapter 9 Troubleshooting and Maintenance
Resolving Startup Problems
If you are using DHCP, the phone obtains the address for the TFTP server from
the DHCP server. Check the IP address that is configured in Option 150. Refer to
Configuring Windows 2000 DHCP Server for Cisco Unified CallManager that is
available at this URL:
http://www.cisco.com/warp/customer/788/AVVID/win2000_dhcp.html
You can also enable the phone to use an alternate TFTP server. You will find such
a setting is particularly useful if the phone was recently moved from one location
to another. See the
“Network Configuration Menu” section on page 4-6 for
instructions.
Verifying IP Addressing and Routing
You should verify the IP addressing and routing settings on the phone. If you are
using DHCP, the DHCP server should provide these values. If you have assigned
a static IP address to the phone, you must enter these values manually.
On the Cisco Unified IP Phone, choose Settings > Network Configuration , and
look at the following options:
•
DHCP Server—If you have assigned a static IP address to the phone, you do
not need to enter a value for the DHCP Server option. However, if you are
using a DHCP server, you must ensure that this option has a value. If it does
not, check your IP routing and VLAN configuration. Refer to
Troubleshooting Switch Port Problems that is available at this URL:
http://www.cisco.com/warp/customer/473/53.shtml
•
IP Address, Subnet Mask, Default Router—If you have assigned a static IP
address to the phone, you must manually enter settings for these options. See
the
“Network Configuration Menu” section on page 4-6 for instructions.