hwc_controlleravailmobility.fm
A31003-W1040-U101-1-7619, July 2006 DRAFT
HiPath Wireless Controller, Access Points and Convergence Software V4.0, C10/C100/C1000 User Guide
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Availability, mobility, and controller functionality
Mobility manager
The HiPath Wireless Controller designated as the mobility manager:
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The mobility manager is explicitly identified as the manager for a specific mobility domain.
Agents will connect to this manager to establish a mobility domain.
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Defines at the agent the IP address of the mobility manager, which allows for the bypass
of SLP. Agents directly find and attempt to register with the mobility manager.
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Uses SLP, if this method is preferred, to register itself with the SLP Directory Agent as
SiemensNet
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Defines the registration behavior for a multi-controller mobility domain set:
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Open mode – A new agent is automatically able to register itself with the mobility
manager and immediately becomes part of the mobility domain
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Secure mode – The mobility manager does not allow a new agent to automatically
register. Instead, the connection with the new agent is placed in pending state until the
administrator approves the new device.
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Listens for connection attempts from mobility agents
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Establishes connection and sends a message to the mobility agent specifying the
Heartbeat interval, and the mobility manager's IP address if it receives a connection
attempt from the agent
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Sends regular Heartbeat messages containing wireless device session changes and agent
changes to the mobility agents and waits for a returned update message
The HiPath Wireless Controller designated as a mobility agent:
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Uses SLP or a statically configured IP address to locate the mobility manager
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Defines at the agent the IP address of the mobility manager, which allows for the bypass
of SLP. Agents directly find and attempt to register with the mobility manager.
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Attempts to establish a TCP/IP connection with the mobility manager
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Updates its tables, and sets up data tunnels to and between all HiPath Wireless Controllers
it has been informed of when it receives the connection-established message
>
For the mobility manager you have two options:
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Rely on SLP with DHCP Option 78
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Define at the agent the IP address of the mobility manager. By explicitly defining
the IP address, the agent and the mobility manager are able to find each other
directly without using the SLP discovery mechanisms. Direct IP definition is
recommended in order to provide tighter control of the registration steps for
multi-domain instalations.