Chapter 37 DHCP
MES3500 Series User’s Guide
281
The following table describes the labels in this screen.
37.4.5 Global DHCPv4 Relay Configuration Example
The follow figure shows a network example where the Switch is used to relay DHCP requests for the
VLAN1 and VLAN2 domains. There is only one DHCP server that services the DHCP clients in both
domains.
Table 130 IP Application > DHCP > DHCPv4 > Global > Port
LABEL DESCRIPTION
Port Enter the number of port(s) to which you want to apply the specified DHCP option 82
profile.
You can enter multiple ports separated by (no space) comma (,) or hyphen (-). For
example, enter “3-5” for ports 3, 4, and 5. Enter “3,5,7” for ports 3, 5, and 7.
Option 82
Profile
Select a pre-defined DHCP option 82 profile that the Switch applies to the specified port(s).
The Switch adds the Circuit ID sub-option and/or Remote ID sub-option specified in the
profile to DHCP requests that it relays to a DHCP server.
The profile you select here has priority over the one you select in the DHCP > DHCPv4 >
Global screen.
Add Click this to create a new entry or to update an existing one.
This saves your changes to the Switch’s run-time memory. The Switch loses these changes
if it is turned off or loses power, so use the Save link on the top navigation panel to save
your changes to the non-volatile memory when you are done configuring.
Cancel Click this to reset the values above based on the last selected entry or, if not applicable, to
clear the fields above.
Clear Click Clear to reset the fields to the factory defaults.
Index This field displays a sequential number for each entry. Click an index number to change the
settings.
Port This field displays the port(s) to which the Switch applies the settings.
Profile Name This field displays the DHCP option 82 profile that the Switch applies to the port(s).
Delete Select the entry(ies) that you want to remove in the Delete column, then click the Delete
button to remove the selected entry(ies) from the table.
Cancel Click this to clear the check boxes in the Delete column.
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