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DHCP server configuration
DHCP minimizes maintenance for Avaya E129 SIP Deskphone by removing the need to individually
assign and maintain IP addresses and other parameters for each deskphone on the network.
Depending on administration, the DHCP server provides the following information to the
deskphones:
• IP address of the deskphone
• IP address of the HTTP or HTTPS file server where the firmware and the configuration files
reside.
• IP address of the subnet mask
• IP address of the router
• IP address of DNS
Administer the LAN so that each SIP deskphone can access a DHCP server that contains the IP
addresses and subnet mask.
The IP address reuse capability allows the deskphone to reuse its previous IP address and
parameter settings even if the DHCP server is temporarily unavailable. A user can manually assign
a different IP address to an IP deskphone. If the user assigns the IP address manually, the
deskphone does not search for a DHCP server unless the static IP address is, subsequently,
unassigned manually.
Since manual entry of an IP address is an error-prone process, you must ensure the following:
• A minimum of two DHCP servers are available for reliability.
• A DHCP server is available when the IP deskphone reboots.
• A DHCP server is available at remote sites if WAN failures isolate IP deskphones from the
central site DHCP servers.
We can provide the configuration file that the deskphone require through an HTTP or HTTPS file
server.
Setting the DHCP server
About this task
This section is limited to describing a generic administration that works with Avaya E129 SIP
Deskphone. The following DHCP software alternatives are common to Windows operating systems:
®
• Windows NT
• Windows 2000
• Windows 2003
• Windows 2008
• Windows 2012
March 2015
4.0 DHCP Server
®
DHCP Server
®
DHCP Server
®
DHCP Server
®
DHCP Server
Comments? infodev@avaya.com
Installing and Maintaining Avaya E129 SIP Deskphone
DHCP server configuration
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