pearson network simulator 200 301

pearson network simulator 200 301.Controller redundancy comes in many forms. One form of controller redundancy is shown in Figure 11-8, with a first (primary). The second ( secondary) and third (tertiary) controllers. In Figure 11-8, controller A is the first controller of the WLANA. Controller C is the second controller of WLANA, and Controller B acts as the third controller of WLANA. Each WLAN has a different first, second, and third controller.Figure 11-8 Controller RedundancyAnother form of controller redundancy is the use of link aggregation (LAG, LinkAggregation) or multiple AP managers. There can also be a primary port and a backup port on a controller. If the primary port154 Chapter "Finding and Associating Controller Ports Fails, the backup port can be used. A common design for controller redundancy is shown below. N+1: This design has a standby controller for multiple controllers. If there are 5 controllers, let these 5 controllers share a standby controller. This standby controller will be easily overwhelmed if multiple controllers fail at the same time. N+N: This design allows each controller to act as a standby for each other. For example, AP-1 designates WLC1 as its primary controller and WLC2 as its primary controller.AP-1 designates WLC1 as its primary controller and WLC2 as its secondary controller. AP.2 designates WLC2 as its primary controller and WLC1 as its secondary controller. Load balancing needs to be considered between APs and controllers. If one controller is loaded with too many APs, then this design is not good.N+N+1: This is the maximum redundancy design. Each controller acts as a backup to each other and an additional controller is also designed as a backup controller. Take the same N+N example, but with the addition of a tertiary controller, WLC-BACKUP, which each AP can designate as a tertiary controller.11,2.6 APs have been added, what do I do next? You can change the operating mode by navigating to Wireless>APs>AlIAPs>Detail. Now that you have an AP joined to a controller, what can that AP do? Most people expect thisIn fact, depending on the AP's mode, the AP can play many roles. DifferentDifferent APs support different modes. An AP can work in any of the following modes. Local. Monitoring. Sniffer. Illegal detector.Hybrid REAP (H-REAP). Bridge. Each mode is described in detail below.