Security

switchport port-security

Enable port-security to limit which/how many MACs can use the port.

Works on: SwitchMode: iface
Run this command live

Don't just read it — type switchport port-security in a real network simulator in your browser and watch it take effect. No install, no account needed to start.

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Frequently asked

What does the "switchport port-security" command do?

Enable port-security to limit which/how many MACs can use the port.

More Security commands

access-list <10-99> {permit|deny} <src> <wild>ip access-list extended <name>ip access-group <acl> in|outswitchport port-security maximum <n>switchport port-security violation {shutdown|restrict|protect}line vty 0 4transport input sshlogin localcrypto key generate rsa

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switchport port-security — network CLI command reference · NetForge-AI