TRENDnet TL2-FG142, User Manual

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TRENDnet User’s Guide
TL2-FG142
37
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4.3.9 IP Source Guard
IP Source Guard is a secure feature used to restrict IP traffic on DHCP snooping
untrusted ports by filtering traffic based on the DHCP Snooping Table or manually
configured IP Source Bindings. It helps prevent IP spoofing attacks when a host tries to
spoof and use the IP address of another host
4.3.9.1 IP Source Guard Configuration
This page provides IP Source Guard related configuration.
Mode of IP Source Guard Configuration
Items Description
Mode Enable the Global IP Source Guard or disable the Global IP Source Guard.
All configured ACEs will be lost when the mode is enabled.
Port Mode Configuration
Items Description
Mode Specify IP Source Guard is enabled on which ports. Only when both Global
Mode and Port Mode on a given port are enabled, IP Source Guard is
enabled on this given port.
Max Dynamic
Clients Specify the maximum number of dynamic clients that can be learned on
given port. This value can be 0, 1, 2 or unlimited. If the port mode is
enabled and the value of max dynamic client is equal to 0, it means only
allow the IP packets forwarding that are matched in static entries on the
specific port.
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4.3.9.2 IP Static Table
This page provides Static IP Source guard configuration.
Items Description