Avaya J100 - DHCP Site Specific Option

• IP address of the router
• IP address of the HTTP or HTTPS file server
• IP address of the SNTP server
• IP address of DNS
You can configure the DHCP server to:
• Dynamically assign IP addresses to the .
• Provision device and site-specific configuration parameters through various DHCP options.
DHCP Site Specific Option
The phones support DHCP configuration option called Site Specific Option(SSON). Using this
parameter, custom parameters can be configured on the phone through a DHCP server. In the
DHCP DISCOVER, the phone requests for the DHCP Site-specific option (SSON), typically
configured in DHCP Option 242. To configure and respond to this request, configure the DHCP
server with proper data supplied in the offer for the value of this option. An example of such
configuration is as follows:
option avaya-option-242 L2Q=1,L2QVLAN=1212,httpsrvr=192.168.0.100.
Following parameters can be configured with this feature:
Parameter
Description
ADMIN_PASS
WORD
Specifies the security string used to access local procedures.
The default is 27238. This is meant to replace PROCPSWD as it provides a more
secure password syntax.
HTTPDIR Specifies the path to prepend to all configurations and data files the device might
request when starting up, that is, the path, relative to the root of the HTTP file server, to
the directory in which the device configuration and date files are stored. The path may
contain no more than 127 characters and may contain no spaces. HTTPDIR is the path
for all HTTP operations.
The command is SET HTTPDIR=<path>. In configurations where the upgrade and
binary files are in the default directory on the HTTP server, do not use the
HTTPDIR=<path>.
HTTPPORT Sets the TCP port used for HTTP file downloads from non-Avaya servers. The default is
80.
HTTPSRVR IP addresses or DNS names of HTTP file servers used for downloading settings,
language, and firmware files during startup.
The firmware files are digitally signed, so TLS is not required for security.
ICMPDU Controls the extent to which ICMP Destination Unreachable messages are sent in
response to messages sent to closed ports so as not to reveal information to potential
Table continues…
Configuration through DHCP
December 2018 Installing and Administering Avaya J100 Series IP Phones 109
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