hello. we got catalyst 29x and 3500 net infrastructure. cat. 2970 is central switch for cat295x and cat 3500 . i'm not primary net enineer so I need your help. Now we need to have way to restrict connection for unauthorized computers . We are running on ms 2k3 domain with 150 clients. I found port security -based on MAC . But is there other way to restrict connection - certificates ? If you have advice for technology or link for some reading please answer.
Thank you.