Issue 3 January 2014 43
Chapter 5: Administering DHCP and HTTP servers
Software Requirements
Ensure that you own licenses to use the Dynamic Host Configuration Protocol (DHCP), HTTP,
and HTTPS server software.
Note:
Note: You can install the DHCP and HTTP server software on the same machine.
!
CAUTION:
CAUTION: The software in the 9600 Series IP Deskphones reserves IP Addresses of the
form 192.168.2.x for internal communications. If you specify addresses in that
form, the Deskphones improperly use the addresses.
Administering the DHCP and File Servers
DHCP minimizes maintenance for a 9600 series SIP IP deskphone network 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 9600
series SIP IP deskphones:
● IP address of the 9600 series SIP IP deskphones
● IP address of the Avaya call server
● IP address of the HTTP or HTTPS file server
● IP address of the Network Time Protocol (NTP) server using Option 42
● 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,
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