Device Configuration 5 - 367
12. Select
OK
to save the changes. Select
Reset
to revert to the last saved configuration. Select
Exit
to exit this screen.
13. Select
OK
to save the changes made to the profile’s mesh point configuration. Select
Reset
to revert to the last saved
configuration.
5.4.5.10.1Vehicle Mounted Modem (VMM) Deployment Consideration
Mesh Point Configuration
Before defining a VMM configuration (mounting an AP7161 mesh point on a moving vehicle), refer to the following deployment
guidelines to ensure the configuration is optimally effective:
• Disable layer 2 stateful packet inspection from the firewall policy.
• Set the RTS threshold value to 1 on all mesh devices. The default value is 2347. For more information on defining radio
settings, see
Access Point Radio Configuration
.
• Use
Opportunistic
as the rate selection settings for the AP7161 radio The default is
Standard
. For more information on
defining this settings, see
Radio Override Configuration
.
• Disable
Dynamic Chain Selection
(radio setting). The default value is enabled. This setting is disabled from the
Command
Line Interface
(CLI) using the
dynamic-chain-selection
command, or, in the UI (refer
Radio Override Configuration
.
• Disable A-MPDU Aggregation if the intended vehicular speed is greater than 30 mph. For more information, see
Radio
Override Configuration
.
Meshpoint: Path Metric
Threshold
Configure a minimum threshold value for triggering an automatic channel selection for
mesh point selection. Set a value in between 800 - 65535.
Meshpoint: Tolerance
Period
Configure the time duration in seconds to wait before triggering a automatic channel
selection for the next hop.
Meshpoint: Root Sample
Count
Configure the number of scans to be performed for data collection before a mesh point
root is selected. Set a value between 1 - 10 scans.
Meshpoint Root: Off-
channel Duration
Configure the duration in the range of 20 - 250 milliseconds for the
Off Channel Duration
field when scanning for mesh point root. This is the duration that the scan dwells on each
channel when performing an off channel scan.
Meshpoint Root: Channel
Switch Delta
Configure the delta value in dBm in the range 5 - 35 dBm which when crossed triggers a
mesh point root automatic channel selection.
Meshpoint Root: Off-
channel Scan Frequency
Configure the duration in seconds between two consecutive Off Channel Scans for mesh
point root. Set a duration between 1 - 60 seconds.
Meshpoint Root: Channel
Hold Time
Configure the minimum duration to stay on a selected channel before the channel
conditions are reassessed for a possible channel change for mesh point root. Set a value
between 0 - 1440 minutes. Set this value to ‘Zero’ (0) to prevent a automatic channel
selection from happening.
Summary of Contents for WiNG 5.6
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