User's Manual

Rajant Corporation BreadCrumb® ME4 v11 User Guide
03-100126-011 Version 11.0.0
6 Troubleshooting
6.1 Sporadic Network Connectivity
Table 4: Sporadic Network Connectivity Issues
Problem Resolution
As a BreadCrumb device’s battery approaches
exhaustion, network connectivity will become
sporadic for the BreadCrumb device and its
associated wireless clients.
Monitory battery usage and charge/replace
batteries as necessary.
Light precipitation or fog beginning after initial
deployment of the mesh can result in sudden
sporadic network connectivity for BreadCrumb
devices and their associated wireless clients.
Increase the density of the network by adding
more BreadCrumb devices or by moving existing
BreadCrumbs closer together.
As a wireless client moves around through the
coverage area, LOS to the BreadCrumb device can
become obstructed resulting in sporadic network
connectivity for this wireless client.
Train users to maintain LOS to known
BreadCrumb device locations. Place BreadCrumb
devices strategically to ensure coverage of areas
through which users are expected to move.
A wireless client that moves beyond the range of
the mesh will experience sporadic, and eventually
complete, loss of network connectivity.
Drop more BreadCrumb devices as necessary to
increase range.
A wireless client cannot join the network.
● Ensure that BreadCrumb devices are
powered on.
● Ensure that the wireless card in the client
device (laptop) is enabled. This is usually
indicated with a blinking light on the card.
● Ensure that the wireless card is in
"Infrastructure" or "Access Point" mode,
and not in "Ad Hoc" mode. Scan for the
default ESSID "breadcrumb54-v10" (or the
ESSID that you set for the network) using
the software accompanying your wireless
card.
● Ensure that the wireless client’s IP address
settings are configured properly.
● Ensure that the security settings on the
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