Table 6: DHCPACK Setting of Parameter Values
Parameter Set to
DOMAIN If received, Option #15.
DHCP lease renew time Option #58 (if received).
DHCP lease rebind time Option #59 (if received).
DHCP lease time Option #51 (if received).
DNSSRVR Option #6.
HTTPSRVR The siaddr field, if that field is not a zero.
TLSSRVR The siaddr field, if that field is non zero.
Because the DHCP site-specific option is processed after the DHCP fields and standard options,
the values set in the site-specific option supersede any values set by DHCP fields or standard
options, as well as any other previously set values.
You cannot set parameters L2Q, L2QVLAN, and PHY2VLAN from a site-specific option if the
parameter values were previously set by LLDP. For more information, see
About Link Layer
Discovery Protocol (LLDP) on page 112.
Note:
The 9600 Series IP Deskphones do not support Regular Expression Matching, and therefore,
do not use wildcards. For more information, see
Administering Options for 9600 Series H.323
deskphones on page 70.
In configurations where the upgrade script and the application files are in the default directory
on the HTTP server
, do not use the command HTTPDIR=<path>.
Related links
Server Administration on page 50
Configuring DHCP Option 242 on page 55
Configuring DHCP Option 242
About this task
To administer DHCP option 242 for SSON, make a copy of the existing option 176 for your IP
deskphones. Option 242 is specific to the default site and applies to DHCPv4 only. You can then
perform one of the following actions:
Procedure
1. Ignore any parameters which the 9600 Series IP Deskphones do not support for setting
through DHCP in option 242, or
2. Delete unused or unsupported 9600 Series IP Deskphone parameters to shorten the
length of the DHCP message.
Result
You can set only the following parameters in the DHCP site-specific option for 9600 Series IP
Deskphones, although most of them can be set in a 46xxsettings.txt file as well.
Server Administration
March 2018 Administering Avaya 9608/9608G/9611G/9621G/9641G/9641GS IP Deskphones H.
323 55
Comments on this document? infodev@avaya.com
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