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Figure 198 IP Application > DHCP > Global > DHCP Relay
The following table describes the labels in this screen.
Table 148 IP Application > DHCP > Global > DHCP Relay
LABEL
Active
Remote DHCP
Server 1 .. 3
Relay Agent
Information
Tag Option
VES1724-56 User's Guide
DESCRIPTION
Select this check box to enable DHCP relay.
Note: You cannot enable this function globally if you have configured a rule for a specific VLAN
on the port in the IP Application > DHCP > VLAN screen.
Enter the IP address of a DHCP server in dotted decimal notation.
Select Option 82 to have the Switch add information (slot number, port number and VLAN
ID) and the Circuit ID and Remote ID sub-options to client DHCP requests that it relays to a
DHCP server.
Select Swap position of Circuit ID and Remote ID to have the Switch add information
(slot number, port number and VLAN ID) and the Circuit ID and Remote ID sub-option but
switch their positions in client DHCP requests that it relays to a DHCP server.
Select which information to have the Switch generate and add into the DHCP relay option 82
Circuit ID sub-option for DHCP requests. The variable options include SP, SV, PV and SPV
which indicate combinations of slot-port, slot-VLAN, port-VLAN and slot-port-VLAN
respectively in ASCII code. Alternatively, select private to have the Switch use the DHCP
relay option 82 old format (slot-port-VLAN) in binary. The Switch uses a zero for the slot value
in the DHCP requests. An example of the port number is 1 if you select private while it is 31
in ASCII code if you select SP, SV or SPV.
Chapter 35 DHCP
315
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