Chapter 36 DHCP
GS1920 Series User’s Guide
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The 1 in the first field identifies this as an Agent Circuit ID sub-option and 2 identifies this as an
Agent Remote ID sub-option. The next field specifies the length of the field.
36.4.2 DHCPv4 Option 82 Profile
Use this screen to create DHCPv4 option 82 profiles. Click IP Application > DHCP > DHCPv4 in
the navigation panel and click the Option 82 Profile link to display the screen as shown.
Figure 213 IP Application > DHCP > DHCPv4 > Option 82 Profile
The following table describes the labels in this screen.
Table 148 DHCP Relay Agent Remote ID Sub-option Format
SubOpt Code Length Value
2
(1 byte)
N
(1 byte)
MAC Address or String
Table 149 IP Application > DHCP > DHCPv4 > Option 82 Profile
LABEL DESCRIPTION
Name Enter a descriptive name for the profile for identification purposes. You can use up to 32
ASCII characters. Spaces are allowed.
Circuit-ID Use this section to configure the Circuit ID sub-option to include information that is specific
to the relay agent (the Switch).
Enable Select this option to have the Switch add the Circuit ID sub-option to client DHCP requests
that it relays to a DHCP server.
slot-port Select this option to have the Switch add the number of port that the DHCP client is
connected to.
vlan Select this option to have the Switch add the ID of VLAN which the port belongs to.
hostname This is the system name you configure in the Basic Setting > General Setup screen.
Select this option for the Switch to add the system name to the client DHCP requests that it
relays to a DHCP server.
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