Switch Management Concepts; Ip Addresses And Snmp Community Names; Traps - D-Link DES-6300 User Manual

Modular L3 Ethernet Switch User's Guide
S
This chapter discusses many of the features used to manage the switch, and explains many concepts
and important points regarding these features. Configuring the Switch to implement these concepts is
discussed in detail in the next chapters.

IP Addresses and SNMP Community Names

Each Switch has its own IP Address, which is used for communication with an SNMP network manager
or other TCP/IP application (for example BOOTP, TFTP, etc.). You must provide the switch with an IP
Address to meet the specification of your networking address scheme.
In addition, you can also set an IP Address for a gateway router. This becomes necessary when the
network management station is located on a different IP network as the Switch, making it necessary for
management packets to go through a router to reach the network manager, and vice-versa.
For security, you can set in the Switch a list of IP Addresses of the network managers that you allow to
manage the Switch. You can also change the default Community Name in the Switch and set access
rights of these Community Names.

Traps

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.
◊ System resets
◊ Errors
◊ Status changes
◊ Topology changes
◊ Operation
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.
Trap managers are special users of the network who are given certain rights and access in overseeing
the maintenance of the network. Trap managers will receive traps sent from the Switch; they must
immediately take certain actions to avoid future failure or breakdown of the network.
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.
M
WITCH ANAGEMENT
24
5
C
ONCEPTS