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'''Cisco Systems''' (NADAQ: CSCO) is an American multinational company involved in designing, manufacturing and selling Internet Protocol (IP) based networking such as routers used to interconnect public and IP networks for mobile, data, voice, and video applications; switching products, security products, servers, modems and many other products and services used by the Information and Communications Technology industry. The company has more than 73 thousand employees with 460 offices within 160 countries worldwide.<ref>[http://newsroom.cisco.com/documents/10157/1204766/Public_Corporate_Overview_FY11_Q3.pdf Corporate Overview]</ref> Cisco is based in San Jose, California.

'''Cisco Systems''' (NADAQ: CSCO) is an American multinational company involved in designing, manufacturing and selling Internet Protocol (IP) based networking such as routers used to interconnect public and IP networks for mobile, data, voice, and video applications; switching products, security products, servers, modems and many other products and services used by the Information and Communications Technology industry. The company has more than 73 thousand employees with 460 offices within 160 countries worldwide.<ref>[http://newsroom.cisco.com/documents/10157/1204766/Public_Corporate_Overview_FY11_Q3.pdf Corporate Overview]</ref> Cisco is based in San Jose, California.

==Background=

==Background=+

[[Leonard Bosack]] and [[Sandy Lerner]], a couple working at the Stanford University built the Advanced Gateway Server, a multi-protocol router which is  an improvement of the routing program built by William Yeager and Andy Bechtolshein. Bosack and Lerner experimented designed the router from their living room.<ref>[http://pdp10.nocrew.org/docs/cisco.html A start-up's true tale]</ref> They experimented the capability of their newly designed router using the two detached networks at Stanford. After probing that their design is effective and marketable they made a proposal to Stanford to build and sell the routers however, the University rejected the idea. In 1984, the couple co-founded "Cisco" which means city to the north.<ref>[http://www.pbs.org/opb/nerds2.0.1/serving_suits/cisco.html Nerds 2.0.1]</ref>

[[Leonard Bosack]] and [[Sandy Lerner]], a couple working at the Stanford University built the Advanced Gateway Server, a multi-protocol router which is  an improvement of the routing program built by William Yeager and Andy Bechtolshein. Bosack and Lerner experimented designed the router from their living room.<ref>[http://pdp10.nocrew.org/docs/cisco.html A start-up's true tale]</ref> They experimented the capability of their newly designed router using the two detached networks at Stanford. After probing that their design is effective and marketable they made a proposal to Stanford to build and sell the routers however, the University rejected the idea. In 1984, the couple co-founded "Cisco" which means city to the north.<ref>[http://www.pbs.org/opb/nerds2.0.1/serving_suits/cisco.html Nerds 2.0.1]</ref>