Related Links
Codes for Option 43 on page 30
DHCP lease time on page 30
Parameter configuration through DHCPACK on page 31
Codes for Option 43
The supported codes for Option 43 and the corresponding parameters are as follows:
Code Parameter
1 Does not set any parameter. The value must be 6889.
2 HTTPSRVR
3 HTTPDIR
4 HTTPPORT
5 TLSSRVR
6 TLSDIR
7 TLSPORT
8 TLSSRVRID
9 L2Q
10 L2QVLAN
11 PHY1STAT
12 PHY2STAT
13 PROCSTAT
14 SIG
15 SIP_CONTROLLER_LIST
Related Links
DHCP options configuration on page 27
DHCP lease time
The DHCP standard states that when a DHCP lease expires, the device should immediately cease
using its assigned IP address. However, if the network has problems and the only DHCP server is
centralized or if the DHCP server itself has problems, the device will not receive responses to its
request for a renewal of the lease. In this case the device is not usable until the server can respond.
Configure system such that once the IP address is assigned to the device, the device continues
using that address after the DHCP lease expires, until a conflict with another device is detected.
The system parameter DHCPSTD allows an administrator to specify that the device will either:
• Comply with the DHCP standard by setting DHCPSTD to 1.
Configuration through the DHCP options
30 Administering Avaya 9601/9608/9611G/9621G/9641G/9641GS IP Deskphones SIP August 2015
Comments on this document? infodev@avaya.com
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