User's Manual

BreadCrumb
®
LX User Guide Rajant Corporation
June 25, 2008 Version 1.06
- 25 -
6.0 TROUBLESHOOTING
6.1 BREADCRUMB WIRELESS NETWORK
6.1.1 SPORADIC NETWORK CONNECTIVITY
Table 2. Sporadic Network Connectivity Issues
Problem Resolution
Light precipitation or fog beginning after initial
deployment of the BCWN can result in sudden sporadic
network connectivity for BreadCrumbs and their
associated wireless clients.
Increase the density of the network by adding more
BreadCrumbs or by moving existing BreadCrumbs
closer together.
As a wireless client moves around through the coverage
area, LOS to the BreadCrumb can become obstructed
resulting in sporadic network connectivity for this
wireless client.
Train users to maintain LOS to known BreadCrumb
locations. Place BreadCrumbs strategically to ensure
coverage of areas through which users are expected to
move.
A wireless client that moves beyond the range of the
BCWN will experience sporadic, and eventually
complete, loss of network connectivity.
Drop more BreadCrumbs as necessary to increase
range.
A wireless client cannot join the network.
• Ensure that BreadCrumbs 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 ESSID
"breadcrumb54" (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 WEP settings on the client
device and BreadCrumbs match.
• Ensure that the client device is not prevented
from connecting by an ACL.
• If the BreadCrumbs comprising the network
have AirFortress encryption enabled, ensure
that the client does as well.