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IP/Network video surveillance Visio icon library, the essential icons for drawing system diagrams.

Even if you could get the color stencils, they don't have nearly as many as the PowerPoint ones. What I ended up doing was downloading the PowerPoint icons and copying individual symbols over to my 'Favorites' in Visio. The stencils will be listed in the My Shapes menu. In Visio 2010, click on More Shapes in the Shapes window, and then point to My Shapes. The symbols example "Cisco LAN - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.In Visio 2003 or 2007, with a drawing open, go to the File menu, point to Shapes, and then point to My Shapes.

Depending on how the connections are established and secured in a LAN, and the distance involved, a LAN may also be classified as a metropolitan area network (MAN) or a wide area network (WAN)." LANs can maintain connections with other LANs via leased lines, leased services, or the Internet using virtual private network technologies.

A LAN can include a wide variety of network devices such as switches, firewalls, routers, load balancers, and sensors. Complex LANs are characterized by their use of redundant links with switches using the spanning tree protocol to prevent loops, their ability to manage differing traffic types via quality of service (QoS), and to segregate traffic with VLANs. A switch can be connected to a router, cable modem, or ADSL modem for Internet access. Simple LANs generally consist of one or more switches. At the higher layers, the Internet Protocol (TCP/ IP) has become the standard, replacing NetBEUI, IPX/ SPX, AppleTalk and others. At the Data Link Layer and Physical Layer, a wide variety of LAN topologies have been used, including ring, bus, mesh and star, but the most common LAN topology in use today is switched Ethernet. "Network topology describes the layout of interconnections between devices and network segments. The vector stencils library "Cisco LAN" contains 23 symbols of local area network (LAN) devices and equipment for drawing Cisco LAN topology diagrams.