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A wireless LAN controller (WLC) is a network device used to monitor and manage wireless access points in an organization. WLCs are connected to routers and allow devices from across the organization to connect to the router via access points.
Network Admission Control (NAC) refers to Cisco's version of network access control, which restricts access to the network based on identity or security posture.When a network device (switch, router, wireless access point, DHCP server, etc.) is configured for NAC, it can force user or machine authentication prior to granting access to the network.
Cisco Wireless LAN products—Access Points, PCI/PCMCIA/USB Wireless LAN Adaptors, Wireless LAN Controllers (WLC), Wireless LAN Solutions Engines (WLSE), Wireless Control System (WCS), Location Appliances, Long range antennas
The inside of a Cisco 1900-series switch. Catalyst is the brand for a variety of network switches, wireless controllers, and wireless access points sold by Cisco Systems.While commonly associated with Ethernet switches, a number of different types of network interfaces have been available throughout the history of the brand.
Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
Broadcasts or DHCP option 43 can be used to prime the access-points of the network. The controller must be on the same subnet if DHCP is not configured to handle layer 3 LWAPP provisioning. Another option for directing an AP to the controller is by defining the controller on the DNS server of the network.
Cisco WIC-1SHDSL v2. A WAN interface card (WIC) is a type of specialized network interface controller card made by Cisco that allows a network device such as a router to connect and transmit data over a wide area network.
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.