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Chapter 63 DHCP
XGS2220 Series User’s Guide
479
The following table describes the labels in this screen.
Table 246 NETWORKING > DHCP > DHCP Server Guard
LABEL DESCRIPTION
DHCP Server Guard
Active Enable the switch button to enable DHCP Server Guard.
Port Setting
SLOT This field appears only in Stacking mode. Click the drop-down list to choose the slot number of
the Switch in a stack.
Port This field displays the port number. In Stacking mode, the first number represents the slot ID and
the second is the port number. Please note that the default stacking ports (the last four ports of
your Switch) cannot be configured. They are reserved for stacking only.
* Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all ports. Use this row first to set
the common settings and then make adjustments on a port-by-port basis.
Note: Changes in this row are copied to all the ports as soon as you make them.
Trusted State Select whether this port is a trusted port (Trusted) or an untrusted port (Untrusted). The Switch
does not discard DHCP packets on trusted ports for any reason.
The Switch discards DHCP packets from untrusted ports when the packet is a DHCP server
packet (for example, OFFER, ACK, or NACK).
Apply Click Apply to save 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 Cancel to reset the fields to their last saved values.
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