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Questions tagged [ip-source-guard]

For questions about IP Source Guard, where it is a security feature that restricts IP traffic on untrusted Layer 2 ports by filtering traffic based on the DHCP snooping binding database or manually configured IP source bindings.

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Why is option 82 required for DHCP when you use `ip verify source port-security`?

Learning about security features on Cisco switches and came across the requirement to use option 82 with DHCP when you enable ip verify source port-security on an interface. How is this different ...