Wide Area Network (WAN) connections can interconnect geographically dispersed locations. However, what if you have lots of sites? If every site has to connect to every other site (i.e. a full mesh topology), you might have a design issue. This video illustrates a full mesh topology and gets a bit mathematical in a discussion of scalability limitations. Full Mesh Topology is a sample excerpted from Cisco CCENT ICND1 100-101 (Complete Video Course)
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