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344 | VirtualAPs DellPowerConnectW-SeriesArubaOS6.2 | User Guide
Parameter Description
Short guard interval in 20 MHz
mode
Enable or disable use of short (400ns) guard interval in 20 MHz mode. This parameter
is enabled by default.
A guard interval is a period of time between transmissions that allows reflections
from the previous data transmission to settle before an AP transmits data again. An
AP identifies any signal content received inside this interval as unwanted inter-
symbol interference, and rejects that data. The 802.11n standard specifies two guard
intervals: 400ns (short) and 800ns (long). Enabling a short guard interval can decrease
network overhead by reducing unnecessary idle time on each AP. Some outdoor
deployments, may, however require a longer guard interval. If the short guard interval
does not allow enough time for reflections to settle in your mesh deployment, inter-
symbol interference values may increase and degrade throughput.
Short guard interval in 40 MHz
mode
Enable or disable use of short (400ns) guard interval in 40 MHz mode. This parameter
is enabled by default.
A guard interval is a period of time between transmissions that allows reflections
from the previous data transmission to settle before an AP transmits data again. An
AP identifies any signal content received inside this interval as unwanted inter-
symbol interference, and rejects that data. The 802.11n standard specifies two guard
intervals: 400ns (short) and 800ns (long). Enabling a short guard interval can decrease
network overhead by reducing unnecessary idle time on each AP. Some outdoor
deployments, may, however require a longer guard interval. If the short guard interval
does not allow enough time for reflections to settle in your mesh deployment, inter-
symbol interference values may increase and degrade throughput.
Supported MCS set A list of Modulation Coding Scheme (MCS) values or ranges of values to be supported
on this SSID. The MCS you choose determines the channel width (20MHz vs. 40MHz)
and the number of spatial streams used by the mesh node.
The default value is 1–23; the complete set of supported values. To specify a smaller
range of values, enter a hyphen between the lower and upper values. To specify a
series of different values, separate each value with a comma.
Examples:
2–10
1,3,6,9,12
Range: 0–23.
In the CLI
(host)(config) #rf ht-radio-profile ht-radioa-corpnet
(host)(config) #rf ht-radio-profile ht-radiog-corpnet
(host)(config) #rf dot11a-radio-profile ht-corpnet-a
high-throughput-enable
ht-radio-profile ht-radioa-corpnet
(host)(config) #rf dot11g-radio-profile ht-corpnet-g
high-throughput-enable
ht-radio-profile ht-radiog-corpnet
(host)(config) #wlan ht-ssid-profile ht-ssid-corpnet
high-throughput-enable
(host)(config) #wlan ssid-profile ht-corpnet
ht-ssid-profile ht-ssid-corpnet
(host)(config) #wlan virtual-ap ht-vap-corpnet
allowed-bands all
ssid-profile ht-corpnet
(host)(config) #ap-group ht-corpnet-ap
dot11a-radio-profile ht-corpnet-a
dot11g-radio-profile ht-corpnet-g
virtual-ap ht-vap-corpnet