Solved: Does port-security detect broadcasts ? - Cisco Community

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Hello,

If i have swtch with enabled port security on access interface with one allowed mac address. And other PC or Switch is flooding out all ports the broadcasts (FF:FF:FF:FF:FF:FF). Do the port with port-security shutdown ?

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Hi,

port-security is for ingress traffic and broadcast can only be destination not source so if the source that broadcasts is not allowed by port-security

then port will be errdisabled by default.

Regards.

Alain.

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1 Reply 1

Hi,

port-security is for ingress traffic and broadcast can only be destination not source so if the source that broadcasts is not allowed by port-security

then port will be errdisabled by default.

Regards.

Alain.

Don't forget to rate helpful posts.

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