H3C Technologies H3C Intelligent Management Center - Manual (Page 540)

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Click 8, 15, 50, 100, or 200 at the upper right of the Interference History List to specify the
number of items you want to display on each page.
Querying interference history
WSM provides basic query and advanced query. Basic query criteria include several key parameters
for quick search. Advanced query offers various query criteria for precise match.
To query interference history:
1. Click the Service tab.
2. From the navigation tree, select WLAN Manager > Spectrum Guard > Interfere Data.
The Interfere Data page appears.
3. Perform a basic query:
a. Enter the device label (case-insensitive) of the AP. WSM supports fuzzy matching for this
field.
b. Click the Query icon . The Interfere Data page displays all interference data matching
the query criteria.
4. Clear the Query field, and click the Query icon to display all interference data.
5. Perform an advanced query:
a. Click next to the Query field to expand the Query area. Click it again to hide the Query
area.
b. Enter or select one or more of the following query criteria:
{
AP Label—Enter the label of the AP. WSM supports fuzzy matching for this field.
{
Affected Channel—Enter the affected channel. All interferences on this channel are queried
WSM does not support fuzzy matching for this field.
{
Interference Type—Select the type of the interference. Options are:
− Unlimited
− Microwave Oven
− Bluetooth
− Fixed-Frequency (Video)
− Cordless Phone
− Microsoft Xbox
An empty field or a field that is set to Unlimited does not serve as a query criterion.
c. Click Query.
The Interferences History List displays all interference history matching the query criteria.
d. Click Reset to clear the query criteria and display all interference history.
Managing AP channel quality
AP channel quality refers to the quality of a channel. Higher channel quality indicates fewer
interferences, and better WLAN access for clients on the channel.