olemus
Cisco Systems Inc.(peakontor: San Jose, California) on ülemaine võrguseadmete arenduse ja tootmise suurfirma (asutatud 1984), paljude ametlike või tegelike võrgundusstandardite looja
= a leading developer and manufacturer of networking equipment

ülevaateid
https://www.techtarget.com/whatis/definition/Cisco-Systems-Inc
https://en.wikipedia.org/wiki/Cisco_Systems
https://www.cisco.com/c/dam/global/en_ph/assets/ciscoconnect/pdf/plenary/louie_ph_cisco_company_overview_9_30_2014.pdf
https://www.cisco.com/c/en/us/products/index.html#~products-by-technology

veebisait
http://www.cisco.com/