Foundry NetIron MLX Series Installation and Basic Configuration Guide
5-12
© 2008 Foundry Networks, Inc.
December 2008
med – The system sets the fan speed to medium.
med-high – The system sets the fan speed to medium-high.
Monitoring the Cooling System
You can monitor the following aspects of the NetIron MLX Series cooling system:
•
The temperature of the fan control modules
•
The status and speed of the fans
•
The temperature warnings sent to the system log and that generate an SNMP trap
Displaying Fan Tray Status and Speed
The CLI provides two commands that allow you to display the status and speed of the 4-speed fans in the NetIron
MLX Series chassis. To display this information, you can enter the following command at any level of the CLI:
Syntax:
show chassis
For information about all output generated by the
show chassis
command, see “Displaying Chassis Status and
Temperature Readings” on page 5-1.
Displaying Temperature Warnings
If the temperature of a module exceeds the high temperature threshold for any of the fan speeds, the system
sends a warning message to the system log and an SNMP trap. (For more information about the low and high
temperature thresholds, see “Changing Temperature Thresholds For Modules and Fan Speeds” on page 5-6.)
This section describes how to view the system log. If you have configured the NetIron MLX Series system to use a
Syslog server or SNMP trap receiver, see the documentation for the server or receiver.
Table 5.5: Fan Status and Speed Fields
This Field...
Displays...
Status
The status can be one of the following:
•
OK – The fan is functioning properly and is keeping the temperature of each module
within an acceptable temperature range.
•
Failed – The fan is not functioning properly or the fan control module cannot control the
fan.
Speed
The speed can be one of the following:
•
LOW – The fan is functioning at 50 percent of capacity.
•
MEDIUM – The fan is functioning at 75 percent of capacity.
•
MEDIUM-HIGH – The fan is functioning at 90 percent of capacity.
•
HIGH – The fan is functioning at 100 percent of capacity.
NetIron# show chassis
...
--- FANS ---
Right Fan Tray: Fan 5: Status = OK, Speed = LOW (50%)
Right Fan Tray: Fan 6: Status = OK, Speed = LOW (50%)...
