Brocade Mobility RFS Controller System Reference Guide (Supporting software release 5.5.0.0 and later) User Manual

Page 238

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Brocade Mobility RFS Controller System Reference Guide

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5

NOTE

With this most recent release of Brocade Mobility software, an BR7161 model Access Point can be
deployed as a vehicular mounted modem (VMM) to provide wireless network access to a mobile
vehicle (car, train etc.). A VMM provides layer 2 mobility for connected devices. VMM does not
provide layer 3 services, such as IP mobility. For VMM deployment considerations, see

Vehicle

Mounted Modem (VMM) Deployment Considerations

.

NOTE

When using 4.9GHz, the root preferences selection for the radio’s preferred interface still displays
as 5GHz.

6. Set the following Root Path Preference values:

7. Set the following Path Method Hysteresis:

8. Select the Auto Channel Selection tab.

Preferred Neighbor

Specify the MAC address of a preferred neighbor to override mesh point settings.

Preferred Root

Specify the MAC address of a a preferred root device to override mesh point settings.

Preferred Interface

Use the drop-down menu to override the preferred mesh point interface to 2.4GHz, 4.9 GHz or
5.0GHz.

Minimum Threshold

Enter the minimum value for SNR above which a candidate for the next hop in a dynamic mesh
network is considered for selection. This field along with Signal Strength Delta and Sustained Time
Period
are used to dynamically select the next hop in a dynamic mesh network.

Signal Strength Delta

Enter a delta value in dB. A candidate for selection as a next hop in a dynamic mesh network must
have a SNR value that is higher than the value configured here. This field along with the Minimum
Threshold
and Sustained Time Period are used to dynamically select the next hop in a dynamic
mesh network.

Sustained Time Period

Enter the duration (in seconds or minutes) for the duration a signal must sustain the constraints
specified in the Minimum Threshold and Signal Strength Delta path hysteresis values. These values
are used to dynamically select the next hop in a dynamic mesh network.

SNR Delta Range

Select the root selection method hysteresis (from 1 - 100dB) SNR delta range a candidate must
sustain. The default setting is 1 dB.

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