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To do…
Use the command…
Remarks
4.
Specify the maximum MCS
index for 802.11n supported
rates.
dot11n support
maximum-mcs
index
Optional.
By default, the maximum MCS
index for 802.11n supported
rates is 76.
If you configure the
client dot11n-only
command for a radio, you must configure the maximum MCS index for
802.11n mandatory rates.
The following matrix shows the feature and router compatibility:
Feature
A-MSR900
A-MSR20-1X
A-MSR20
A-MSR30
A-MSR50
802.11n
No
Available for
routers with a
SIC_WLAN
module that
supports
802.11n
Available for
routers with a
SIC_WLAN
module that
supports
802.11n
Available for
routers with a
SIC_WLAN
module that
supports
802.11n
Available for
routers with a
SIC_WLAN
module that
supports
802.11n
Configuring non-dot11h channel scanning
To configure non-dot11h channel scanning:
To do…
Use the command…
Remarks
1.
Enter system view.
system-view
—
2.
Enter WLAN RRM view.
wlan rrm
—
3.
Configure non-802.11h
channel scanning.
autochannel-set avoid-dot11h
Optional.
By default, all channels of the
country code are scanned.
Enabling 802.11g protection
When both 802.11b and 802.11g clients access a WLAN network, interference easily occurs and access rate
is greatly degraded because they adopt different modulation modes. To enable both 802.11b and 802.11g
clients to operate properly, 802.11g protection needs to be enabled for an 802.11g device to send RTS/CTS
or CTS-to-self packets to 802.11b devices, which defer access to the medium.
Either of the following cases can start 802.11g protection on an 802.11g AP.
1.
An 802.11b client associates with the 802.11g AP. In this case, 802.11g protection is always
enabled.
2.
The 802.11g AP detects an overlapping 802.11b BSS or some 802.11b packets that are not
destined to it. For this case, you can use the following command to enable 802.11g protection or
disable it using the undo form of the command.
To enable 802.11g protection:
To do…
Use the command…
Remarks
1.
Enter system view.
system-view
—
Содержание a-msr
Страница 48: ...44 Figure 19 Configure the wireless card I ...
Страница 49: ...45 Figure 20 Configure the wireless card II ...