Chapter 7 Wireless LAN Profiles
ZyWALL / USG (ZLD) CLI Reference Guide
58
[no] dot11n-disable-coexistence
Fixes the channel bandwidth as 40 MHz. The
no
command has the
AP automatically choose 40 MHz if all the clients support it or 20
MHz if some clients only support 20 MHz.
[no] ctsrts <0..2347>
Sets or removes the RTS/CTS value for this profile.
Use RTS/CTS to reduce data collisions on the wireless network if
you have wireless clients that are associated with the same AP
but out of range of one another. When enabled, a wireless client
sends an RTS (Request To Send) and then waits for a CTS (Clear
To Send) before it transmits. This stops wireless clients from
transmitting packets at the same time (and causing data
collisions).
A wireless client sends an RTS for all packets larger than the
number (of bytes) that you enter here. Set the RTS/CTS equal to
or higher than the fragmentation threshold to turn RTS/CTS off.
The default is 2347.
[no] frag <256..2346>
Sets or removes the fragmentation value for this profile.
The threshold (number of bytes) for the fragmentation boundary
for directed messages. It is the maximum data fragment size that
can be sent.
The default is 2346.
dtim-period <1..255>
Sets the DTIM period for this profile.
Delivery Traffic Indication Message (DTIM) is the time period after
which broadcast and multicast packets are transmitted to mobile
clients in the Active Power Management mode. A high DTIM value
can cause clients to lose connectivity with the network. This value
can be set from 1 to 255.
The default is 1.
beacon-interval <40..1000>
Sets the beacon interval for this profile.
When a wirelessly networked device sends a beacon, it includes
with it a beacon interval. This specifies the time period before the
device sends the beacon again. The interval tells receiving
devices on the network how long they can wait in low-power
mode before waking up to handle the beacon. This value can be
set from 40ms to 1000ms. A high value helps save current
consumption of the access point.
The default is 100.
[no] ampdu
Activates MPDU frame aggregation for this profile. Use the
no
parameter to disable it.
Message Protocol Data Unit (MPDU) aggregation collects Ethernet
frames along with their 802.11n headers and wraps them in a
802.11n MAC header. This method is useful for increasing
bandwidth throughput in environments that are prone to high
error rates.
By default this is enabled.
limit-ampdu <100..65535>
Sets the maximum frame size to be aggregated.
By default this is 50000.
subframe-ampdu <2..64>
Sets the maximum number of frames to be aggregated each
time.
By default this is 32.
Table 12
Command Summary: Radio Profile (continued)
COMMAND
DESCRIPTION
Содержание ZyWALL USG Series
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