There are a number of programs that you can look at for a career in CISCO networking in the UK. The Masters in Telecommunication & Networking is the most commonly pursued course in the UK and many universities offer it. You can also pursue a Masters in Networking from the Universities of Southampton and Queen Mary. The Swansea University offers a good course in Masters in Communication System. The University of Lancaster offers an interesting course in Computing with Mobile Technology. You can also look at pursuing a Communication Engineering course from University of Birmingham and Broadband and Mobile Communication Networks from University of Kent. Good Luck!