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Appendix
Configuring DHCP to auto-configure IP
Phones
The DHCP server and the IP Phone 2002, IP Phone 2004, and IP Phone
2007 can be configured so that the IP Phone automatically obtains
its configuration data from the DHCP server. This feature reduces the
administrative overhead associated with bringing a large number of IP
Phones online.
In addition, the DHCP server and the IP Phone can be configured so that
the IP Phone can use the Auto VLAN Discovery feature, which allows the
IP Phone to discover the Phone VLAN ID.
This appendix explains how to:
• configure the IP Phone to obtain its configuration data from a Windows
2000 Server DHCP server
•
retrieve VLAN information required to take advantage of the Auto
VLAN Discovery feature
This appendix is not intended to be a primer on how to set up a DHCP
server. The reader is assumed to have a working knowledge of Windows
2000 Server DHCP servers. The appendix also does not describe the
process used by the IP Phone to interact with the DHCP server or to boot
itself into the Phone VLAN.
ATTENTION
It is assumed that the necessary DHCP scopes defining the range of addresses
and lease duration have been created.
To take advantage of the Auto VLAN Discovery feature, two VLANs are
required: one for the phone to boot into initially, in order to communicate
with the DHCP server and learn the appropriate phone VLAN ID, and the
second for the Phone VLAN itself.
Nortel Secure Network Access Switch
Using the Command Line Interface
NN47230-100 03.01 Standard
28 July 2008
Copyright © 2007, 2008 Nortel Networks
.