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[Sysname-WLAN-Radio0/1] type dot11g
[Sysname-WLAN-Radio0/1] preamble long
protection-mode
Use protection-mode to specify a collision avoidance mode.
Use undo protection-mode to restore the default.
Syntax
protection-mode { cts-to-self | rts-cts }
undo protection-mode
Default
The CTS-to-self mode is used.
Views
Radio interface view
Predefined user roles
network-admin
Parameters
cts-to-self: Specifies the CTS-to-self mode.
rts-cts: Specifies the RTS/CTS mode.
Usage guidelines
You can specify either of the following collision avoidance modes for an AP:
• RTS/CTS—An AP sends an RTS packet to a client before sending data to the client. After
receiving the RTS packet, the client sends a CTS packet to the AP. The AP begins to send data
after receiving the CTS packet, and other devices that detect the RTS or CTS packet do not
send data within a specific time period.
• CTS-to-self—An AP sends a CTS packet with its own MAC address as the destination MAC
address before sending data to a client. After receiving the CTS-to-self packet, the AP begins to
send data, and other devices that detect the CTS-to-self packet do not send data within a
specific time period.
Examples
# Specify the RTS/CTS mode.
<Sysname> system-view
[Sysname] interface wlan-radio 0/0
[Sysname-WLAN-Radio0/0] protection-mode rts-cts
Related commands
dot11g protection
dot11n protection
protection-threshold
protection-threshold
Use protection-threshold to set the RTS threshold.
Use undo protection-threshold to restore the default.
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