Power supply alarm

The switch monitors dual power supply levels. If there are two power supplies installed in the switch, an alarm triggers if a power supply fails. The alarm is automatically cleared when both power supplies are working. You can configure the power supply alarm to be connected to the hardware relays. For more information, see Configuring the Power Supply Alarms.

Temperature alarms

The switch contains one temperature sensor with a primary and secondary temperature setting. The sensor monitors the environmental conditions inside the switch.

The primary and secondary temperature alarms can be set as follows:

■The primary alarm is enabled automatically to trigger both at a low temperature, –4°F (–20°C) and a high temperature, 203°F (95°C). It cannot be disabled. By default, the primary temperature alarm is associated with the major relay.

■The secondary alarm triggers when the system temperature is higher or lower than the configured high and low temperature thresholds. The secondary alarm is disabled by default.

For more information, see Configuring the Switch Temperature Alarms.

SD-Card

By default the alarm is disabled.

1

Link Fault alarm

The switch generates a link fault alarm when problems with a port physical layer cause unreliable data transmission. A typical link fault condition is loss of signal or clock. The link fault alarm is cleared automatically when the link fault condition is cleared. The severity for this alarm is error condition, level 3.

2

Port not Forwarding alarm

The switch generates a port not-forwarding alarm when a port is not forwarding packets. This alarm is cleared automatically when the port begins to forward packets. The severity for this alarm is warning, level 4.

3

Port not Operating alarm

The switch generates a port not-operating alarm when a port fails during the startup self-test. When triggered, the port not-operating alarm is only cleared when the switch is restarted and the port is operational. The severity for this alarm is error condition, level 3.

4

FCS Bit Error Rate alarm

The switch generates an FCS bit error-rate alarm when the actual FCS bit error-rate is close to the configured rate. You can set the FCS bit error-rate by using the interface configuration CLI for each of the ports. See Configuring the FCS Bit Error Rate Alarm for more information. The severity for this alarm is error condition, level 3.

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 of 203oF (95oC) maximum to –4°F (–20oC) minimum.

The primary switch temperature alarm is associated with the major relay.

Secondary temperature alarm

Disabled.

Output relay mode alarm

Normally deenergized. The alarm output has switched off or is in an off state.

Port

Link fault alarm

Disabled on all interfaces.

Port not forwarding alarm

Disabled on all interfaces.

Port not operating alarm

Enabled on all interfaces.

FCS bit error rate alarm

Disabled on all interfaces.

1.

configure terminal

Enters global configuration mode.

2.

power-supply dual

Configures dual power supplies.

3.

alarm facility power-supply disable

Disables the power supply alarm.

4.

alarm facility power-supply relay major

Associates the power supply alarm to the relay.

5.

alarm facility power-supply notifies

Sends power supply alarm traps to an SNMP server.

6.

alarm facility power-supply syslog

Sends power supply alarm traps to a syslog server.

7.

end

Returns to privileged EXEC mode.

8.

show env power

Displays the switch power status.

9.

show facility-alarm status

Displays all generated alarms for the switch.

10.

show alarm settings

Verifies the configuration.

11.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

alarm facility temperature { primary | secondary } high threshold

Sets the high temperature threshold value. Set the threshold from –238°F (–150°C) to 572°F (300°C).

3.

alarm facility temperature primary low threshold

Sets the low temperature threshold value. Set the threshold from –328°F (–200°C) to 482°F (250°C).

4.

end

Returns to privileged EXEC mode.

5.

show alarm settings

Verifies the configuration.

6.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

alarm facility temperature { primary | secondary } relay major

Associates the primary or secondary temperature alarm to the relay.

3.

alarm facility temperature { primary | secondary } notifies

Sends primary or secondary temperature alarm traps to an SNMP server.

4.

alarm facility temperature { primary | secondary } syslog

Sends primary or secondary temperature alarm traps to a syslog server.

Uses the no alarm facility temperature secondary command to disable the secondary temperature alarm.

5.

end

Returns to privileged EXEC mode.

6.

show alarm settings

Verifies the configuration.

7.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

interface interface-id

Enters the interface to be configured, and enters interface configuration mode.

3.

fcs-threshold value

Sets the FCS error rate.

For value, the range is 6 to 11 to set a maximum bit error rate of 10-6 to 10-11.

By default, the FCS bit error rate is 10-8.

4.

end

Returns to privileged EXEC mode.

5.

show fcs-threshold

Verifies the setting.

6.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

alarm facility fcs-hysteresis percentage

Sets the hysteresis percentage for the switch.

For percentage, the range is 1 to 10. The default value is 10 percent.

3.

end

Returns to privileged EXEC mode.

4.

show running config

Verifies the configuration.

5.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

alarm profile name

Creates the new profile or identifies an existing profile, and enters alarm profile configuration mode.

3.

end

Returns to privileged EXEC mode.

4.

show alarm profile name

Verifies the configuration.

5.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

alarm {fcs-error | link-fault | not-forwarding | not-operating}

(Optional) Adds or modifies alarm parameters for a specific alarm.

notifies {fcs-error | link-fault | not-forwarding | not-operating}

(Optional) Configures the alarm to send an SNMP trap to an SNMP server.

relay-major {fcs-error | link-fault | not-forwarding | not-operating}

(Optional) Configures the alarm to send an alarm trap to the relay.

syslog {fcs-error | link-fault | not-forwarding | not-operating}

(Optional) Configures the alarm to send an alarm trap to a syslog server.

1.

configure terminal

Enters global configuration mode.

2.

interface port interface

Enters interface configuration mode.

3.

alarm-profile name

Attaches the specified profile to the interface.

4.

end

Returns to privileged EXEC mode.

5.

show alarm profile

Verifies the configuration.

6.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

1.

configure terminal

Enters global configuration mode.

2.

snmp-server enable traps alarms

Enables the switch to send SNMP traps.

3.

end

Returns to privileged EXEC mode.

4.

show alarm settings

Verifies the configuration.

5.

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

Alarm input and output ports.

Hardware Installation Guide Hardware Technical Guide

No new or modified standards are supported by this feature, and support for existing standards has not been modified by this feature.

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No new or modified RFCs are supported by this feature, and support for existing RFCs has not been modified by this feature.

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