Hi, Last year I pass my CCNA exam and now I start to study for CCNP. I'm 60 year old but feel much younger. I just received my first new (old) LAB and I have 1 x Catalist 2950  (cable no.1) 1 x Catalist 3550 (cable no.2) 2 x Catalist 3560 Poe 24 (cab...