Falcon
M-Class
| User Guide
173
4.10.2.12
IP Source Guard Configuration
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. This section provides the related IP Source Guard configurations
Figure 4-89: IP Source Guard Configuration
Table 4-86: IP Source Guard Configuration Parameters
Mode of IP
Source Guard
Configuration
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
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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