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650| IP Mobility Dell Networking W-Series ArubaOS 6.5.x| User Guide
In the CLI
router mobile
ip mobile domain <name>
hat <home-agent> description <dscr>
To view currently-configured mobility domains in the CLI, use the show ip mobile domain command.
Ensure that the ESSID to which the mobile client will connect supports IP mobility. You can disable IP mobility
for an ESSID in the virtual AP profile (IP mobility is enabled by default). If you disable IP mobility for a virtual
AP, any client that associates to the virtual AP will not have mobility service.
Joining a Mobility Domain
Assigning a controller to a specific mobility domain is the key to defining the roaming area for mobile clients.
You should take extra care in planning your mobility domains and survey the user VLANs and controllers to
which clients can roam, to ensure that there are no roaming holes.
All controllers are initially part of the “default” mobility domain. If you use the default mobility domain, you do
not need to specify this domain as the active domain on a controller. However, once you assign a controller to
a user-defined domain, the default mobility domain is no longer an active domain on the controller.
In the WebUI
1. Navigate to the Configuration > Advanced Services > IP Mobility page.
2. In the Mobility Domain list, select the mobility domain.
3. Select the Active checkbox for the domain.
4. Click Apply.
In the CLI
Use the following command to activate a mobility domain:
ip mobile active-domain <name>
To view the active domains in the CLI, use the show ip mobile active-domains command on the controller.
Sample Configuration
The following example (Figure 85) configures a network in a campus with three buildings. A Dell controller in
each building provides network connections for wireless users on several different user VLANs. To allow
wireless users to roam from building to building without interrupting ongoing sessions, you configure a
mobility domain that includes all user VLANs on the three controllers. You configure the HAT on the master
controller only (A in this example). On the local controllers (B and C), you only need to enable mobility and
activate the respective domain.