Dell PowerConnect W-AirWave | User Guide Introduction | 15 Queries routers and switches. Ranks devices according to the likelihood they are rogues. Multiple tests to eliminate false positive results. Provides rogue discovery that identifies the switch and port to which a rogue device is connected.Master Console and FailoverThe Dell PowerConnect W-AirWave Master Console and Failover tools enable network-wide information ineasy-to-understand presentation, to entail operational information and high-availability for failover scenarios.The benefits of these tools include the following: Provides network-wide visibility, even when the WLAN grows to 50,000+ devices Executive Portal allows executives to view high-level usage and performance data Aggregated alerts Failover Many-to-one failover One-to-one failoverThe Master Console and Failover servers can be configured with a Device Down trigger that generates an alert ifcommunication is lost. In addition to generating an alert, the Master Console or Failover server can also sendemail or NMS notifications about the event.Integrating AirWave into the Network and Organizational HierarchyDell PowerConnect W-AirWave generally resides in the NOC and communicates with various components ofyour WLAN infrastructure. In basic deployments, AirWave communicates solely with indoor wireless accesspoints (and WLAN controllers over the wired network. In more complex deployments, AirWave seamlesslyintegrates and communicates with authentication servers, accounting servers, TACACS+ servers, routers,switches, network management servers, wireless IDS solutions, helpdesk systems, indoor wireless access points,mesh devices. AirWave has the flexibility to manage devices on local networks, remote networks, and networksusing Network Address Translation (NAT). AirWave communicates over-the-air or over-the-wire using a varietyof protocols.The power, performance, and usability of the AirWave solution become more apparent when considering thediverse components within a WLAN. Table 3 itemizes such network components, as an example.Table 3 Components of a WLANComponent DescriptionAutonomous AP Standalone device which performs radio and authentication functionsThin AP Radio-only device coupled with WLAN controller to perform authenticationWLAN controller Used in conjunction with thin APs to coordinate authentication and roamingNMS Network Management Systems and Event Correlation (OpenView, Tivoli, and so forth)RADIUS Authentication RADIUS authentication servers (Funk, FreeRADIUS, ACS, or IAS)RADIUS Accounting AirWave itself serves as a RADIUS accounting clientWireless Gateways Provide HTML redirect and/or wireless VPNsTACACS+ Used to authenticate AirWave administrative usersRouters/Switches Provide AirWave with data for user information and AP and Rogue discoveryHelp Desk Systems Remedy EPICORRogue APs Unauthorized APs not registered in the AirWave database of managed APs
