For centralized (local-mode) deployments, the traditional method of providing wireless guest access is to implement a dedicated guest anchor controller in an Internet DMZ segment. In such a deployment, an access-control list (ACL) deployed on the Layer 3 switch adjacent to the WLAN controller can limit access to the management interface. Network administrators may still configure an individual local administrator account on each infrastructure device for local access via the console port, should all network access to the infrastructure device be lost. Clients from the candidate APs are actively steered away using 802.11v packets with the "disassociation imminent" field set, to help ensure seamless network connectivity as the APs are upgraded. It is recommended that you deploy redundant AAA servers for high availability in case one or more servers become temporarily unavailable. Cisco Catalyst 9800 Series WLCs support TPCv1 only. ISSU from Cisco IOS XE Fuji 16.9.x to Cisco IOS XE Gibraltar 16.10.x or Cisco IOS XE Gibraltar 16.11.x is not supported. Cisco FRA measures this and identifies APs whose 2.4 GHz radio can be selectively assigned to a role that optimizes the use of the RF spectrum. This shifts the CPU burden of an ACL off the WLAN controller to the Layer 3 switch. For coverage holes that can be corrected, the controller mitigates the coverage hole by increasing the transmit power level for a specific AP that can improve the coverage. Wireless Router Administration. StackWise-160 is supported on Catalyst 9200 switch models with the support of up to 160 Gbps stack bandwidth. However, 802.11k assisted roaming, 802.11v BSS transition, coverage hole detection (CHD), and other proximity based features are managed within individual WNCd instances. High availability feature support. The campus WLAN provides ubiquitous data and voice connectivity for employees, wireless Internet access for guests, and connectivity for IoT devices. Open access guest WLANs are often implemented in order to minimize the complexity of onboarding a guest who needs only temporary wireless network connectivity. A typical way of implementing guest user authentication is through the guest user’s web browser, a method known as web authentication or WebAuth. Rather than creating bandwidth, QoS takes bandwidth from one class and gives it to another class. RF tags are associated with a 2.4 GHz RF Profile and a 5 GHz RF Profile - with their respective attributes shown in the figure below. In an enterprise environment, secure the WLANs by configuring at least WPA2 with AES-CCMP encryption, and 802.1x authentication of devices. For fabric wireless guest access services to the Internet, you can separate wireless guests from other network services by creating a dedicated virtual network (VN) supporting the guest SSID. By extending the support of multicast beyond that of the campus and data center, mobile users can now use multicast-based applications. Cisco CleanAir is an innovation available in Cisco Catalyst 9120AX and 9130AX APs, which include the Cisco RF ASIC. The following figure shows an example of wireless controller link aggregation in a high availability configuration to a Cisco StackWise Virtual pair. In a WLAN enterprise scenario, you use different WLANs and VLANs for different classes of devices, including corporate devices, employee devices, personal devices, and guest devices (as well as quarantine WLANs for unapproved devices). Whether your campus is a small remote site or a high-density large enterprise, you’ll find a platform and a design to fit your needs. Cisco FlexConnect can also tunnel traffic back to the centralized controller, which can be used for wireless guest access. Designing for high availability must also consider the entire lifecycle of the deployment, including the need for updates and upgrades on the network. If you are deploying APs for optimal 5 GHz coverage and density, you will likely have an unnecessarily high density of 2.4 GHz radios and their limited channel selection options, which will cause interference issues. For a given AP, potential throughput is dependent upon interference free operation. If any of the following are true at a site, you should consider deploying a controller locally at the site: ● The site has a LAN distribution layer. ● Layer 2 roaming only, without mobility groups. Add the device between the switch and PC3, as shown in the topology diagram. StackWise Virtual technology uses SSO / NSF to provide seamless traffic failover when one of the switches fails. stream You can use certain Cisco DNA Spaces implementations and Cisco Prime to map both the interference and the impact of the interference for easy analysis and troubleshooting. Remote sites that use Cisco FlexConnect local switching mode can also benefit from the use of multicast-based applications. Typically, a captive-portal model is used with WebAuth, in which guest web sessions are redirected to a portal, which authenticates the guest before allowing Internet access. It also enables services to be applied to wired and wireless traffic in a consistent and coordinated fashion. With the emergence of high-density networks and the IoT, organizations are more dependent on wireless networks than ever before. You can accomplish this in multiple ways. For Cisco Catalyst 9800 Series WLCs, Bonjour service policies are applied to Policy Profiles (which include the VLAN to which the WLAN is terminated). You can configure APs with a priority using N+1 HA. EAP-TLS makes use of digital certificates for authentication. ◦ Improved security: WPA3 is certified with Wi-Fi 6 and provides a greater value proposition than WPA2 for enterprise Wi-Fi networks. Alternatively, the guest WLAN/SSID can be locally switched to a VLAN within the branch which provides direct Internet access (DIA). ● The number of site tags with Cisco FlexConnect profiles required matches the capabilities of the controller pair. ● Organizations and ecosystem partners can easily build new applications. On Cisco Catalyst 9500 Series Switches - High Performance, ISSU with Cisco StackWise Virtual is supported starting from Cisco IOS XE Gibraltar 16.12.1. ● All controller functionality is exposed through northbound REST APIs. Throughout this update, AP and client sessions remain up. There is a limit of 100 APs per Cisco FlexConnect site tag for seamless roaming. The following table summarizes the Cisco WLAN controllers referenced within this guide. The secondary supervisor serves as a standby, monitoring the operation of the primary. In this guide, the WLAN controllers that support both are the Cisco Catalyst 9800-80, 9800-40, 9800-L Series appliances and the Cisco Catalyst 9800-CL for private cloud wireless controllers. Supports Fast Software Upgrade (FSU) and Extended FSU. Gracefully reinserts the device, maintenance actions can be assigned using a stack-ring known... The Internet by using more robust password-based authentication making the brute-force dictionary attack much more difficult time-consuming! Adapted to keep pace with the Cisco CleanAir is a single logical switch both switches forward. Active flows new AP models using access point device Packs ( APSPs ) recovery times in figure! 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