3com CRWXR10095A Manuale Utente

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C
HAPTER
 2: P
LANNING
 
AND
 M
ANAGING
 Y
OUR
 W
IRELESS
 N
ETWORK
 
WITH
 3WXM
You also can display trending information on a per-radio basis. Trending 
collects radio statistics and charts them on a time basis. For example, you 
could display average throughput rates for the previous 30 days, week, or 
day. You can display and print the charts from 3WXM, as well as 
generate a report.
Client Monitoring
Client monitoring provides current and historical information about the 
clients using your network, including client activity, watch list clients, 
current client sessions, and the ability to locate clients at your site. 3WXM 
displays the data that WX switches collect on user sessions—either for a 
single user, users associated with a MAP, users associated with a specific 
radio, or users added to a watch list. 
By viewing monitoring information for a user or a group of users, you can 
troubleshoot problems originating from bandwidth constraints or 
roaming patterns. You can collect statistics and view reports on:
„
Client associations, authentication, and authorization failures
„
Client activity, such as roaming and successful authorization
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Current session status, location history, and statistics
„
Specifics on users over a period of time; information can be gathered 
up to 30 days for session status, location history, client errors, and 
client activity on users you place on the watch list
Rogue Detection
A rogue AP is an access point that is not authorized to operate in or near 
your network. You can use RF countermeasures to deny service to or 
from a targeted rogue AP, and render them ineffective. Once a rogue AP 
is detected and reported, the closest 3Com MAP is assigned to perform 
RF countermeasures. By spoofing various 802.11 control messages, the 
MAP’s countermeasures disrupt association and authentication attempts 
to the rogue AP by any new clients. This also disrupts any active 
communications between any existing client and rogue AP. 
You can collect and statistics and view reports on:
„
Current rogue list, aggregated for the whole network
„
Current hour rogue list
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Current day rogue list
„
30 days of rogue history, using best listener data