Understanding Wireless Roaming and Location Services - Roaming Overview
4 important questions on Understanding Wireless Roaming and Location Services - Roaming Overview
What are two types of association request frames a client can send to an AP?
2. Reassociation Request (Used to roam to another AP using the existing association)
What is it called when a client roams between access points which are both connected to the same controller?
What are 3 techniques offered by Cisco controllers for minimizing time and effort spent on key exchanges during roaming.
2. Key Caching (Each client maintains a list of prior used keys, up to 8. Destination AP must be in the list.)
3. 802.11r (fast roaming or fast BSS transition. Client caches portion of the authentication server's key. Also maintains QoS parameters
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Which 3 IEEE 802.11 standards are there to support a better roaming experience?
Client caches portion of the authentication server's key. Also maintains QoS parameters)
2. 802.11k Assisted Roaming
802.11k capable clients can request a neighbor report containing information about candidate APs for roaming.
3. 802.11v Max Idle Period, Directed Multicast Service
Network Assisted Power Savings - Lets clients sleep longer
Network Assisted Roaming - WLAN can send message to Client with better AP to associate with.
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