Ethernet
switch module
Information panel
Release latch
Media access
control (MAC)
address label
Serial number/
media access
control (MAC)
address label
Ethernet ports (4)
The switch MAC address can also be found under the Switch Information menu
item, as shown in the following illustration.
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 from 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 a list of IP addresses of the network managers that are
permitted to manage the switch. You can also change the default SNMP community
strings in the switch and set the access rights of these community strings.
Traps
Traps are messages that alert you of events that occur on the switch. The events
can be as serious as a restart (for example, someone accidentally turned off the
switch) or less serious, such as a port-status change. The switch generates traps
and sends them to the network manager (trap recipient).
Trap recipients are special users of the network who are given certain rights and
access in overseeing the maintenance of the network. Trap recipients will receive
20 IBM BladeCenter 4-Port Gb Ethernet Switch Module: Installation and User’s Guide
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