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D-Link Unified Access System
Field
Signal Strength
Noise Level
Age
Viewing Detected Client Roam History
The wireless system keeps a record of clients as they roam from one managed AP to another managed AP. A history of up
to 10 APs is kept for each client. The Detected Client Roam History page shows the managed APs with which the client
has associated.
The first entry in the client list is the oldest. After the list fills up, the oldest entry is deleted and all other entries are moved
one slot up.
Table 322
describes the fields on the Detected Client Roam History page.
Field
MAC Address
AP MAC Address
Radio Interface Number Radio Number to which the client is authenticated.
VAP MAC Address
SSID
New Authentication
Age
Detected Client Pre-Authentication Summary
To help authenticated clients roam without losing sessions and needing to re-authenticate, wireless clients can attempt to
authenticate to other APs within range that the client could possibly associate with. For successful pre-authentication, the
target AP must have a VAP with an SSID and security configuration that matches that of the client, including MAC
authentication, encryption method, and pre-shared key or RADIUS parameters. The the AP that the client is associated with
captures all pre-authentication requests and sends them to the switch.
Page 500
Monitoring and Managing Intrusion Detection
Table 321: Detected Client Triangulation
Description
Received signal strength in dBm. The possible range is –127 to 127. However, realistically,
this value is expected to range from –95 to –10.
Noise reported on the channel by the non-sentry AP. The possible range is –127 to 127.
Time since this AP detected the signal.
Figure 345: Detected Client Roam History
Table 322: Detected Client Roam History
Description
MAC address of the detected client.
MAC Address of the managed AP to which the client authenticated.
VAP MAC address to which the client roamed.
SSID Name used by the VAP.
A flag indicating whether the history entry represents a new authentication or a roam event.
Time since the history entry was added.
Software User Manual
Document 34CSFP6XXUWS-SWUM100-D7
12/10/09
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