A client device roams between wireless LAN controllers that are mobility peers. Both controllers have dynamic interfaces on the same client VLAN. Which type of roam is described?
Controllers that are mobility peers must use the same DHCP server to have an updated client mobility move count on intra-VLAN.
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/17-4/config-guide/b_wl_17_4_cg/m_vewlc_mobility.html
Layer 2 Roaming: When a client roams from one AP to another and those APs lie on two different controllers, the client makes an intercontroller roam.
B is correct
It is inter-controler. Bottom of p.547 of OCG: "When a client roams from one AP to another and those AP's lie on two differenct controllers, the client makes an intercontroller roam." In the context of the question it is making a Layer 2 (same VLAN) inter-controller roam.
C
This is because the 2 controllers are in the client's vlan. If either of the controllers was in other vlan, then the ans would be intercontroller - B
A client device roams between >>>wireless LAN controllers <<< that are mobility peers,
B. inter-controller : ==> when WLAN interfaces of the WLC are on the same IP subnets
C. intra-controller : ==> APs are both on he same WLC
D. inter-subnet : ==> when WLAN interfaces of the WLC are on different IP subnets
The roam described is an "Intra-Controller Roam" or a "Layer 2 Roam". When a client device moves within the same VLAN and switches between mobility peers (which are wireless LAN controllers in this case), it is considered to be a layer 2 roam. The client device maintains the same IP address and retains its current association with the wireless network, and the roaming process occurs transparently to the client. The wireless LAN controllers exchange information and maintain consistency between themselves, ensuring that the client device is able to maintain its wireless connection as it moves between access points associated with the different controllers.
Man, Itra-controller means within the same controller, isn't it ??? the question says, the "CLIENT ROAMS BTW THE CONTROLLERSSSSSSS", that means its btwn two controllers already, so "INTRA" is out of scope alrady
Intercontroller Layer 2 roaming occurs when the wireless LAN interfaces of the controllers are on the same IP subnet.
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