TAILIEUCHUNG - CCNA Wireless Official Exam Certification Guide part 22

CCNA Wireless Official Exam Certification Guide part 22 is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCNA® Wireless IUWNE exam. Senior instructor Brandon Carroll shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics. | 182 CCNA Wireless Official Exam Certification Guide that can be installed in 6500 series switches or in Integrated Services Routers ISR . There are also appliance-based controllers which include the 44xx series WLC as well as the 2100 series WLC. Which controller you require depends on how many APs you need deployed. This can be anywhere from six to 300 access points per controller. This is a fixed value and can t be upgraded via licensing. If you need to support more APs you need another controller or a controller that supports more APs. Key Topic The Cisco 44xx Series WLC The Cisco 44xx series Wireless LAN Controller shown in Figure 10-8 is a standalone appliance. Figure 10-8 Cisco 4400 Series Wireless LAN Controller It is designed to take up one rack unit. It has either two or four Gigabit Ethernet uplinks and they use mini-GBIC FSG slots. It can support 12 25 50 or 100 APs depending on the model. And it can support up to 5000 MAC addresses in its database. The 4400 series has a 10 100 interface called a service port it is used for SSH and SSL connections for management purposes. The service port can be used for out-of-band management but it is not required to manage the device. You can manage the device via the controller s logical management interface. There is also a console port that you can use to connect via HyperTerminal or Teraterm Pro. Depending on the country you are in power requirements vary but the chassis has two power supply slots. The controller code version used for the CCNA Wireless exam is version and the AP runs the same version. It s actually a requirement that they run the same version so when an AP joins with a controller the controller upgrades or downgrades the AP. The controller upgrades four APs at a time. The 4400 series can support up to 100 access points. So a 4400 would upgrade ten APs at a time until they are all upgraded. The 3750-G WLC The 3750-G Wireless LAN Controller shown in Figure 10-9 is integrated into a switch. There

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