Configuring Default Reject Rules for Source Address Spoofing
The following guidelines describe when to configure the default reject rules for source address spoofing:
When the source address is equal to the address of the network interface where the network packet was received.
When the source address does not belong to the networks associated with the network interface where the network packet was received.
When the source address is defined as being on a broadcast network.
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Before you begin, log in with your root account on a Junos OS device running Junos OS Release 22.2R1 and edit the configuration.
You can enter the configuration commands in any order and commit all the commands at once.
To configure default reject rules to log source address spoofing: