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the network from the DHCP Server Cheating Attack by discarding the DHCP packets on the
distrusted port, so as to enhance the network security.
Choose the menu Switching → DHCP Filtering to load the following page.
Figure 5-20 DHCP Filtering
The following entries are displayed on this screen
:
DHCP Filtering
DHCP Filtering:
Enable/Disable the DHCP Filtering function globally.
Trusted Port
Here you can select the desired port(s) to be Trusted Port(s). Only the Trusted Port(s) can
receive DHCP packets from DHCP Servers. Click All button to select all ports. Click Clear
button to select none.
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