--> A Mobility Group is a set of controllers that are configured with same mobility group name or Domain Name.
--> Every Controller must be configured with Mobility Domain Name.
--> With the help of mobility group, we are allowing the controllers to share the information dynamically and forward the data traffic whenever inter-controller or intra-controller roaming occurs.
--> Controllers in the same mobility group share following information
i) Security Context
ii) State of the Client Devices
iii) List of the Access Points associated to the client
--> Whenever a new client joins controller, the controller sends the client information to all other clients in the same mobility group.
--> By default Controllers in different mobility group cannot communicate with each other until we mention in the mobility list.
--> Virtual interface IP address needs to be same in order to seamless roaming to occur properly.
--> Multicast messaging works by default within the same mobility group.
--> We can use same multicast IP address across multiple mobility domains.
--> Support upto 24 Controllers and 24000 Access Points per Mobility Group.
--> To configure Mobility Groups in WLC, Navigate to Controller > Mobility Management > Mobility Group and click on new
Reference: Cisco
--> Every Controller must be configured with Mobility Domain Name.
--> With the help of mobility group, we are allowing the controllers to share the information dynamically and forward the data traffic whenever inter-controller or intra-controller roaming occurs.
--> Controllers in the same mobility group share following information
i) Security Context
ii) State of the Client Devices
iii) List of the Access Points associated to the client
--> Whenever a new client joins controller, the controller sends the client information to all other clients in the same mobility group.
--> By default Controllers in different mobility group cannot communicate with each other until we mention in the mobility list.
--> Virtual interface IP address needs to be same in order to seamless roaming to occur properly.
--> Multicast messaging works by default within the same mobility group.
--> We can use same multicast IP address across multiple mobility domains.
--> Support upto 24 Controllers and 24000 Access Points per Mobility Group.
--> To configure Mobility Groups in WLC, Navigate to Controller > Mobility Management > Mobility Group and click on new
Reference: Cisco
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