Dell PowerConnect W-Airwave W-Airwave 7.2 Configuration Guide - Page 93

Profiles > Mesh > Cluster, Mesh HT SSID, Dell PowerConnect W Navigation, Cluster, pencil, Details

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Table 36 Mesh > Radio > Mesh HT SSID Profile Settings (Continued) Field Default Description Supported MCS Set 0-15 Short Guard Interval in 40 Yes MHz Mode 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 1-15; 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. Enter a list or range of numbers. The overall supported range is from 0-15. The following are two potential examples of supported ranges:  2-10  1,3,6,9,12 Enable or disable use of short (400ns) guard interval in 40 MHz mode. 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. This parameter is enabled by default. Legacy Stations Yes Allow or disallow associations from legacy (non-HT) stations. This parameter is enabled by default (legacy stations are allowed). Max Transmitted A-MPDU 65535 Size Sets maximum size of a transmitted aggregate MPDU, in bytes. Specify size in the supported range of 1576 to 65535 bytes. MPDU Aggregation Yes Enable or disable MAC protocol data unit (MPDU) aggregation. High-throughput mesh APs are able to send aggregated MAC protocol data units (MDPUs), which allow an AP to receive a single block acknowledgment instead of multiple ACK signals. This option, which is enabled by default, reduces network traffic overhead by effectively eliminating the need to initiate a new transfer for every MPDU. 3. Select Add or Save. The added or edited profile appears on the Mesh HT SSID page and the details page. Profiles > Mesh > Cluster AirWave provides a "default" version of the mesh cluster profile. You can use the "default" version or create a new instance of a profile which you can then edit as you need. You can configure a maximum of 16 mesh cluster profiles on a mesh node. Perform these steps to create or edit Mesh Cluster profiles. 1. Select Profiles > Mesh > Cluster in the Dell PowerConnect W Navigation pane. 2. Select the Add button to create a new Cluster profile, or click the pencil icon to edit an existing profile. The Details page appears. Complete the settings as described in Table 28: Table 37 Profiles > Mesh > Cluster Profile Settings Field Default Description General Settings Folder Top Set the folder with which the profile is associated. The drop-down menu displays all folders available for association with the profile. Dell PowerConnect W AirWave 7.2 | Configuration Guide Dell PowerConnect W Configuration Reference | 93

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Dell PowerConnect W AirWave 7.2
| Configuration Guide
Dell PowerConnect W Configuration Reference
|
93
3.
Select
Add
or
Save
.
The added or edited profile appears on the
Mesh HT SSID
page and the details page.
Profiles > Mesh > Cluster
AirWave provides a “default” version of the mesh cluster profile. You can use the “default” version or create a
new instance of a profile which you can then edit as you need. You can configure a maximum of 16 mesh cluster
profiles on a mesh node.
Perform these steps to create or edit Mesh Cluster profiles.
1.
Select
Profiles > Mesh > Cluster
in the
Dell PowerConnect W Navigation
pane.
2.
Select the
Add
button to create a new
Cluster
profile
,
or click the
pencil
icon to edit an existing profile. The
Details
page appears. Complete the settings as described in
Table 28
:
Supported MCS Set
0-15
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 1-15; 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.
Enter a list or range of numbers. The overall supported range is from 0-15. The
following are two potential examples of supported ranges:
2-10
1,3,6,9,12
Short Guard Interval in 40
MHz Mode
Yes
Enable or disable use of short (400ns) guard interval in 40 MHz mode. 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.
This parameter is enabled by default.
Legacy Stations
Yes
Allow or disallow associations from legacy (non-HT) stations.
This parameter is enabled by default (legacy stations are allowed).
Max Transmitted A-MPDU
Size
65535
Sets maximum size of a transmitted aggregate MPDU, in bytes.
Specify size in the supported range of 1576 to 65535 bytes.
MPDU Aggregation
Yes
Enable or disable MAC protocol data unit (MPDU) aggregation. High-throughput
mesh APs are able to send aggregated MAC protocol data units (MDPUs), which
allow an AP to receive a single block acknowledgment instead of multiple ACK
signals. This option, which is enabled by default, reduces network traffic overhead
by effectively eliminating the need to initiate a new transfer for every MPDU.
Table 37
Profiles > Mesh > Cluster Profile Settings
Field
Default
Description
General Settings
Folder
Top
Set the folder with which the profile is associated. The drop-down menu displays all folders
available for association with the profile.
Table 36
Mesh > Radio > Mesh HT SSID Profile Settings
(Continued)
Field
Default
Description