From the course: Cisco CCNA (200-301) Cert Prep: 1 Network Fundamentals and Access

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Wireless principles

Wireless principles

From the course: Cisco CCNA (200-301) Cert Prep: 1 Network Fundamentals and Access

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Wireless principles

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- [Narrator] An access point will advertise a Basic Service Set, BSS, which is its capabilities. These advertisements are done via unique BSS identifier which is formed from the radio's MAC address. The BSSID uniquely identifies this AP from others in the area, even those that may be advertising a network of the same name. Speaking of network names, wireless networks broadcast the presence of various networks via beacon packets with Service Set IDs or SSIDs. SSIDs can be up to 32-bytes long and can consist of alphanumeric characters as well as various symbols and languages. SSIDs are the human readable network names that show up on my list of available networks when I'm trying to find Wi-Fi on my phone. Once I choose a network, my phone will actually connect to the BSSID of the AP with the strongest signal, and also advertising the chosen SSID. An AP almost always bridges clients to a wired network via a switch. Cisco refers to this connection to a switch as a Distribution System. If…

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