Cisco Cisco 5520 Wireless Controller Referências técnicas
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Rogue Management in a Unified Wireless Network using v7.4
Rogue Management Theory of Operation
The algorithm of RLDP is listed here:
1.
Identify the closest Unified AP to the rogue using signal strength values.
2.
The AP then connects to the rogue as a WLAN client, attempting three associations before timing
out.
out.
3.
If association is successful, the AP then uses DHCP to obtain an IP address.
4.
If an IP address was obtained, the AP (acting as a WLAN client) sends a UDP packet to each of the
controller's IP addresses.
controller's IP addresses.
5.
If the controller receives even one of the RLDP packets from the client, that rogue is marked as
on-wire with a severity of critical.
on-wire with a severity of critical.
Note
The RLDP packets will be unable to reach the controller if filtering rules are placed between the
controller's network and the network where the rogue device is located.
controller's network and the network where the rogue device is located.