Cisco 300-430 - Implementing Cisco Enterprise Wireless Networks (300-430 ENWLSI)

For CMX high availability deployment, enabling the virtual IP address of the primary server is critical. This virtual IP facilitates seamless failover to the secondary server without requiring DNS updates or manual intervention, ensuring uninterrupted service during primary server outages. References := ( CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide )

https://www.cisco.com/c/en/us/td/docs/wireless/mse/10-6/cmx_config/b_cg_cmx106/managing_cisco_cmx_system_settings.html#task_35253AFE18234DDA8C6E04C297D725F5:~:text=Primary%20and%20Secondary.-,Enabling%20High%20Availability%20for%20Cisco%20CMX%20Using%20the%20Web%20UI,-Procedure

The primary change to the network when adding APs for location-based services, such as VolMLAN, would be the AP footprint. This refers to the physical coverage area of the access points. Increasing the AP footprint enhances the ability to perform location-based services by improving the accuracy of triangulation and location tracking of devices. This is because a denser AP footprint allows for more precise determination of a device’s location within the network. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, specifically the sections discussing location-based services and AP deployment strategies for optimal coverage and location tracking.

 The two protocols used to communicate between the Cisco Mobility Services Engine (MSE) and the Cisco Prime Infrastructure network management software are HTTPS and NMSP (Network Mobility Services Protocol). HTTPS is used for secure web-based communications, while NMSP is a Cisco proprietary protocol used specifically for efficient, real-time communication between MSE and network management software like Cisco Prime Infrastructure. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide)

The OfficeExtend Access Point (OEAP) split tunnel feature allows the separation of corporate and local traffic. By implementing a split tunnel, remote workers can maintain wireless connectivity to the corporate network while simultaneously accessing local network resources such as printers. This solution ensures that local traffic does not have to traverse the corporate network, which can cause connectivity issues like the ones reported by the users. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 The issue described indicates that the Angle of Arrival (AoA) data is not being transmitted between the Cisco Wireless LAN Controller (WLC) and the virtual CMX server. To resolve this, the network administrator must ensure that port 2003 is allowed for AoA packets to flow through between the CMX appliances, which is necessary for Hyperlocation data transmission. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

 When configuring an autonomous Access Point (AP) for 802.1x authentication using an external authentication server like RADIUS, it’s essential that AP knows where to send authentication requests and has a secure method of communicating with it. The RADIUS server’s IP address must be configured on AP so it knows where to forward user credentials for verification. Additionally, a shared secret must be set up between AP and RADIUS server as part of their secure communication protocol; without this shared secret, they cannot trust each other’s communications. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

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Cisco Hyperlocation is enabled in the RF Profile on a Cisco Catalyst 9800 Series Wireless Controller web interface. The RF Profile contains settings that pertain to radio frequency management, which includes the configuration for Hyperlocation.

 When configuring Cisco OfficeExtend Access Points (OEAPs), enabling NAT IP only for office-extend is necessary if the APs are behind a NAT device and need to communicate with the Wireless LAN Controller (WLC) using the internal IP management address. The command config flexconnect office-extend nat-ip-only enable allows the APs to discover and associate with the WLC when the management interface is configured with a NAT address.

 If the administrator is unable to see interferers on the Cisco Prime Infrastructure maps, it could be due to the MSE (Mobility Services Engine) not being added and synchronized with Cisco Prime Infrastructure, which is essential for tracking and locating devices, including interferers. Additionally, if interferer tracking is not enabled on the MSE, it would not track or display the location of interferers on the maps. The other options, such as SNMP failure, reaching the Context Aware Service tracking limit, or inactive NSMP communication, would affect other aspects of network visibility but not specifically the tracking and display of interferers. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide