Cisco CCNA / CCNP Home Lab Tutorial: The 2503 Router06/29/2016 Tagged With: 2503, best, bri, ccna, ccnp, cisco, ethernet, exam, home, interface, lab, router, serial, switchThe 2503 router can be an important part of your CCNA / CCNP home lab. Learn how from Chris Bryant, CCIE #12933.