DBC 422
AND
DBC 425
31
1531-DBC 422 02 Uen B3 2013-12-02
For the complete usage of the domain name, see section 7.17 Domain
name on page 49.
7.11.3 DHCP
Settings
for Option 43 and 60
DHCP option 60 (vendor class identifier) and option 43 (vendor specific
information field) are used by the telephone to get the specific configu-
ration data from the DHCP server. The flow is as follows:
Figure 41:
The procedure to initiate the data for option 43 and 60 in the DHCP
server is as follows:
1)
define vendor class (option 60)
2)
set predefines options (option 43)
3)
set scope options (option 43)
7.11.3.1
Vendor Class Identifier
Vendor class identifier (option 60) option is used to secure that option 43
data for the specific vendor is sent from the DHCP server to the client.
The telephone sends the vendor class identifier to the DHCP server,
which returns vendor specific information for the requested vendor class
in option 43 to the telephone.
When vendor class identifier shall be used to get the option 43 data for
the Aastra IP-Phone, it is necessary to initiate the vendor class
Aastra
IP-Phone
in the DHCP server and in some cases also the vendor class