Parameter

Description

Maximum

Indicates the maximum number of children a mesh node can accept.

Children

Default: 64 children. The range is 1–64.

 

 

Maximum Hop

Indicates the maximum hop count from the mesh portal.

Count

Default: 8 hops. The range is 1–32.

 

 

Mesh Private

A VLAN ID for control traffic between an remote mesh portal and mesh nodes. This VLAN ID must not be

VLAN

used for user traffic.

 

Range: 0–4094. Default: 0 (disabled).

 

For further information on configuring a remote mesh portal, see "Configuring Remote Mesh Portals

 

(RMPs)" on page 471

 

 

Mesh

This feature is currently not supported and should only be enabled under the supervision of Dell

Survivability

technical support.

 

 

Metric algorithm

Use this setting to optimize operation of the link metric algorithm.

 

Specifies the algorithm used by a mesh node to select its parent.

 

Available options are:

 

best-link-rssi—Selects the parent with the strongest RSSI, regardless of the number of children a

 

potential parent has.

 

distributed-tree-rssi—Selects the parent based on link-RSSI and node cost based on the number of

 

children.

 

This option evenly distributes the mesh points over high quality uplinks. Low quality uplinks are selected

 

as a last resort.

 

NOTE: Dell recommends using the default value.

 

Default: distributed-tree-rssi.

 

 

Rate Optimization

When this parameter is enabled, EAPOL frames, mesh echo requests and echo responses are sent at a

for delivering

lower rate.

EAPOL frames

 

and mesh echoes

 

 

 

Reselection mode

Use this setting to optimize operation of the link metric algorithm. The reselection mode specifies the

 

method a mesh node uses to find a better uplink to create a path to the mesh portal. Only neighbors on

 

the same channel in the same mesh cluster are considered.

 

Available options are:

 

reselect-anytime—Mesh points using the reselect-anytimereselection mode perform a single

 

topology readjustment scan within 9 minutes of startup and 4 minutes after a link is formed. If no

 

better parent is found, the mesh point returns to its original parent. This initial scan evaluates more

 

distant mesh points before closer mesh points, and incurs a dropout of 5–8 seconds for each mesh

 

point. After the initial startup scan is completed, connected mesh nodes evaluate mesh links every

 

30 seconds. If a mesh node finds a better uplink, the mesh node connects to the new parent to

 

create an improved path to the mesh portal.

 

reselect-never—Connected mesh nodes do not evaluate other mesh links to create an improved

 

path to the mesh portal.

 

startup-subthreshold—Mesh points using the startup-subthresholdreselection mode perform a

 

single topology readjustment scan within 9 minutes of startup and 4 minutes after a link is formed. If

 

no better parent is found, the mesh point returns to its original parent. This initial startup scan

 

evaluates more distant mesh points before closer mesh points, and incurs a dropout of 5–8 seconds

 

for each mesh point. After that time, each mesh node evaluates alternative links if the existing

 

uplink falls below the configured threshold level (the link becomes a sub-threshold link). Dell

 

recommends using this default startup-subthresholdvalue.

 

subthreshold-only—Connected mesh nodes evaluate alternative links only if the existing uplink

 

becomes a sub-threshold link.

 

NOTE: Starting with ArubaOS 3.4.1, if a mesh point using the startup-subthresholdor subthreshold-only

 

mode reselects a more distant parent because its original, closer parent falls below the acceptable

 

threshold, then as long as that mesh point is connected to that more distant parent, it seeks to reselect a

 

 

452 Secure Enterprise Mesh

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Page 452
Image 452
Dell 6.2 manual Used for user traffic, Range 0-4094. Default 0 disabled, Potential parent has, As a last resort

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