Discovery Mechanisms in the ExtremeWireless Software Solution
The Extreme Networks ExtremeWireless Software
solution provides auto-discovery capabilities between Wireless APs and ExtremeWireless Appliance Mobility manager
and mobility agents. For more information, see the User Guide.
Discovery Mechanism Between a Wireless AP and ExtremeWireless Appliance
The Wireless APs discover the ExtremeWireless Appliance by one of the following modes:
- SLP (Multicast and Unicast) – For more information, see SLP‘s
description in WLAN Solution Topology and Network Elements.
- DNS – For more information, see Domain Name Server‘s description in
WLAN Solution Topology and Network Elements
- Static IP address configuration – ExtremeWireless Appliance‘s IP address is
defined in the Wireless AP configuration. For more information, see the “Setting up static
routes” section of the User Guide.
Discovery Mechanism Between Mobility Manager and Mobility Agents
The mobility agents discover the mobility manager by one of the following modes:
- SLP-DA with DHCP (Dynamic Host Configuration Protocol) Option 78 – The mobility
agent on each ExtremeWireless Appliance discovers the address of the mobility manager. SLP-DA is a normal network function. If your
network already deploys such a device, the controllers will promptly register their services
with it (assuming that the controllers can identify the device via DHCP Option78 query on its
locally attached segments). If your deployment does not have an existing SLP-DA, each
controller has that function enabled by default (and will correspondingly register with
itself). In order for other controllers or APs to find the preferred SLP-DA for the network,
simply provision DHCP Option 78 on each of the required networks to refer to the IP address of
the selected controller.
- Direct IP address option – Defined while configuring the mobility agent. By explicitly
defining the manager‘s IP address while configuring the agents, this enables the manager and
agents to find each other directly without using the SLP discovery mechanism.
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