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I believe you have to specify on CLI 'card type' and then you will be able to see the serial interfaces. I ran into this same thing when I was installing a t3 sub module.Sent from Cisco Technical Support iPhone App
I believe either way works...it's a matter of opinion or preference. For me, port security's purpose is to limit learned macaddresses to prevent the cam table from flooding.Sent from Cisco Technical Support iPhone App
