15BCM450 Troubleshooting GuideChapter 2Initial TroubleshootingYou can better troubleshoot the problems on your network and reduce their impact by preparingfor such events in advance. To do this, you must know the following:• that your system is properly installed and routinely maintained• the configuration of your network• the normal behavior of your networkNavigation• Proper installation and routine maintenance on page 15• Network configuration on page 15• Normal behavior on your network on page 16Proper installation and routine maintenanceSee the BCM450 Installation Guide—System (NN40160-301) for detailed installation information.This document also outlines the routine tasks required for operating the BCM450.Network configurationTo keep track of your network’s configuration, gather the information described in the followingsections. This information, when kept up-to-date, is extremely helpful when you experiencenetwork or device problems.• Site network map on page 15• Logical connections on page 16• Device configuration information on page 16• Other important data about your network on page 16Site network mapA site network map identifies where each device is physically located on your site, which helpslocate the users and applications that are affected by a problem. You can use the site network mapto systematically search each part of your network for problems.
