HPE 3100 Configuration Manual page 41

•
Private padding format
Sub-option 1—Contains the VLAN ID of the interface that received the client's request,
module (subcard number of the receiving port) and port (port number of the receiving port).
The value of the sub-option type is 1.
Figure 24 Sub-option 1 in private padding format
Sub-option 2—Contains the MAC address of the DHCP snooping device that received the
client's request. The value of the sub-option type is 2.
Figure 25 Sub-option 2 in private padding forma
Sub-option 9—Contains the Sysname and the primary IP address of the Loopback0
interface. The value of the sub-option type is 9.
Figure 26 Sub-option 9 in private padding forma
•
Standard padding format
Sub-option 1—Contains the VLAN ID of the interface that received the client's request,
module (subcard number of the receiving port) and port (port number of the receiving port).
The value of the sub-option type is 1, and the value of the circuit ID type is 0.
Figure 27 Sub-option 1 in standard padding forma
Sub-option 2—Contains the MAC address of the DHCP snooping device that received the
client's request. It has the same format as that in normal padding format. See
Option 184
Option 184 is a reserved option, and parameters in the option can be defined as needed. The device
supports Option 184 carrying voice related parameters, so a DHCP client with voice functions can
get an IP address along with specified voice parameters from the DHCP server.
Option 184 involves the following sub-options:
•
Sub-option 1—IP address of the primary network calling processor, which serves as the
network calling control source and provides program downloads.
t
t
t
31
Figure 22.