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ACK Policies
WMM specifies the Normal ACK and No ACK policies.
− According to the No ACK policy, no ACK packet is used during wireless packet transmission to
acknowledge packet reception. This policy is applicable to scenarios where interference is mild
and can effectively improve transmission efficiency. In case of strong interference, lost packets will
not be resent if this policy is adopted. This leads to a higher packet loss rate and reduces the
overall performance.
− According to the Normal ACK policy, each time a receiver receives a packet, it sends back an ACK
packet to acknowledge packet reception.
7.4.2 Modidying WMM Settings
By default, the WMM function of the AP is enabled and the Optimized For Capacity mode is adopted.
Procedure for changing the WMM settings:
Step 1 Choose Wireless Setting > WMM Settings.
Step 2 Click the tab to choose the radio band to set.
Step 3 Set WMM to Enable.
Step 4 Select the required WMM optimization mode.
Step 5 If you select Custom, set the WMM parameters as required.
Step 6 Click Save.
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