Specifications

3-5
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
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Chapter 3 Configuring Catalyst 2955 Switch Alarms
Configuring Catalyst 2955 Switch Alarms
Default Catalyst 2955 Switch Alarm Configuration
Table 3-3 shows the default Catalyst 2955 switch alarms configuration.
Configuring the Power Supply Alarm
This section describes how to configure the power supply alarm on your switch. It contains this
configuration information:
• Setting the Power Mode, page 3-5
• Setting the Power Supply Alarm Options, page 3-6
Setting the Power Mode
The Catalyst 2955 switch has two DC power inputs. By default, the system operates in the single power
mode. You can use the power-supply dual global configuration command to set the dual mode
operation. In dual-power mode, a second power supply gives power to the switch if the primary power
supply fails.
Beginning in privileged EXEC mode, follow these steps to set the switch to dual power mode operation:
Table 3-3 Default Catalyst 2955 Switch Alarm Configuration
Alarm Default Setting
Global Power Supply Alarm Enabled in switch single power mode. No alarm.
In dual power supply mode, the default alarm notification is a
system message to the console.
Primary Temperature Alarm Enabled for switch temperature range 95
0
C maximum to
-20
o
C minimum.
The primary switch temperature alarm is associated with the
major relay.
Secondary Temperature Alarm Disabled.
Port Link Fault Alarm Disabled on all interfaces.
Port not Forwarding Alarm Disabled on all interfaces.
Port is not Operating Alarm Enabled on all interfaces.
FCS Bit Error Rate Alarm Disabled on all interfaces.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
power-supply dual Set the system to dual mode operation.
Step 3
end Return to privileged EXEC mode.
Step 4
show alarm settings Verify the configuration.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.