10/100 Fast Ethernet Switch User’s Guide
Traps
Trap managers are special users of the network who are given certain rights and access in overseeing the maintenance of the network. Trap managers can receive traps sent from the Switch; they must immediately take certain actions to avoid future failure or breakdown of the network.
Traps are messages that alert you of events that occur on the Switch. The events can be as serious as a reboot (someone accidentally turned OFF the Switch), or less serious like a port status change. The Switch generates traps and sends them to the network manager (trap managers). The following lists the types of events that can take place on the Switch.
àSystem resets
àErrors
àStatus changes
àTopology changes
àOperation
You can also specify which network managers may receive traps from the Switch by setting a list of IP Addresses of the authorized network managers.
The following are trap types a trap manager will receive:
¨Cold Start: This trap signifies that the Switch has been powered up and initialized such that software settings are reconfigured and hardware systems are rebooted. A cold start is different from a factory reset.
¨Authentication Failure: This trap signifies that an addressee (or manager/ user) on the Switch is not a valid user of the Switch and may have entered an incorrect community name.
¨New Root: This trap indicates that the Switch has become the new root of the Spanning Tree, the trap is sent by a bridge soon after its
22 | Switch Management |