User's Manual

TPS12-016_rev1 1_A8Ein_web-admin_Configuration_Manual_-_fm_1 2 0 604 (for FCC & IC) 20130322.doc

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Figure 59 2.4G Radio Advanced setting

A8Ein provides advanced parameter setting, it would change A8Ein performance. Default

setting is recommended.

Data Rate：Default setting is “best”. The transmission data rate that appears on the drop-down

menu is dependent on the Wireless Mode specified. The numbered data rates denote fixed rates for

transmission.

Beacon Interval：Default setting is 100 ms (equivalent to 10 beacons per second). The amount of

time between A8Ein BTS beacon transmissions for each supported BSS, with each BSS using the

same beacon interval. The beacon interval can be configured between 20 and 1000 ms.

DTIM：Default setting is 1. DTIM Interval, always a multiple of the beacon period, determines how

often the beacon contains a traffic indicator map (TIM). The TIM alerts clients in sleep state to stay

awake long enough to receive their data frames. The value range is from 1 to 255.

Fragmentation Threshold：Default setting is 2346 bytes. The fragmentation threshold, specified

in bytes, determines whether data packets will be fragmented and at what size. Frames that are

smaller than the specified fragmentation threshold value will not be fragmented. Frames that are

larger than the fragmentation threshold will be fragmented into smaller packets and transmitted a

piece at a time instead of all at once. The setting must be within the range of 256 to 2346 bytes. It

is recommended to use the default value or only minor reductions of this default value.

IGMP Snooping：AP is a Layer 2 device when it is configured as Switch mode. However,

IGMP Snooping implementation on AP is a little bit different than that of standard Layer 2

Switch.

Each Virtual AP (VAP) port is similar to a Layer 2 switch port. With IGMP Snooping enabled

in the AP, clients associated to a VAP will only receive multicast packets if there is at least

one client joined the multicast group in that VAP. Unlike ordinary IGMP Snooping

implementation, where Layer 2 switch converts multicast to unicast and delivers them to

devices registered with the multicast group, AP should simply send out the multicast