Full Dhcp Mode - Nortel 1120E Administration Manual

58 Configure the DHCP server
Lease time
Renewal time
Rebinding interval
Partial DHCP is the response from a DHCP server that is not configured
to recognize the Nortel-specific Vendor Class Identifier in option 60
(Nortel-SIP-Phone-A). After the IP Phone 1120E is configured to operate
in Partial DHCP mode, the DHCP server needs no special configuration to
support an IP Phone 1120E. Using Partial DHCP, an IP Phone 1120E can
obtain its IP address, subnet mask, and gateway IP address. The remainder
of the configuration information is manually entered on the IP Phone 1120E.
This includes the DNS server IP and the Provisioning server address and
protocol.

Full DHCP mode

The DHCP server requires special configuration in Full DHCP mode. The IP
Phone 1120E with SIP Firmware obtains Device Settings parameters from
specially configured DHCP servers.
The IP Phone 1120E with SIP Firmware requests the following Device
Settings parameters from the DHCP server:
•
•
•
•
•
It is also possible to obtain the DNS IP automatically using Full DHCP mode
without any special configuration of the DHCP server. This means that there
is no need to configure the Nortel-specific Vendor Class Identifier (Option
60) on the DHCP server. However, the provisioning server address needs
to be manually defined within the Device Settings menu. This configuration
requires toggling to Partial DHCP mode to define the provisioning server
address and toggling back to Full DHCP mode after this is complete.
Copyright © 2008, Nortel Networks
.
Implementation varies
according to DHCP server
configuration.
Implementation varies
according to DHCP server
configuration.
Implementation varies
according to DHCP server
configuration.
IP address configuration for the IP Phone 1120E
subnet mask for the IP Phone 1120E IP address
default gateway for the IP Phone 1120E subnet
DNS server
Provisioning Server
SIP Firmware Release 1.1 for IP Phone 1120E Administration
NN43112-300 02.03 Standard
27 May 2008
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