IBM s-series Installation And User Manual page 7

Using a CX4 transceiver . . . . . . . . . . . . . . . . . . . . . 53
Testing network connectivity . . . . . . . . . . . . . . . . . . . . 54
Pinging an IP address . . . . . . . . . . . . . . . . . . . . . 54
Observing LEDs . . . . . . . . . . . . . . . . . . . . . . . 54
Tracing a route . . . . . . . . . . . . . . . . . . . . . . . . 55
Troubleshooting network connections. . . . . . . . . . . . . . . . 56
Digital optical monitoring . . . . . . . . . . . . . . . . . . . . . 56
Chapter 5. Managing the Chassis and Modules . . . . . . . . . . . . 57
Displaying chassis status and temperature readings . . . . . . . . . . . 57
Managing the cooling system
Configuring the cooling system . . . . . . . . . . . . . . . . . . 61
Thermal planes . . . . . . . . . . . . . . . . . . . . . . . 61
Fan speed modes . . . . . . . . . . . . . . . . . . . . . . 61
Changing temperature thresholds for thermal planes and fan speeds on
the on the B16S
Changing temperature thresholds for thermal planes and fan speeds on
the B08S . . . . . . . . . . . . . . . . . . . . . . . . 64
Shutdown warning messages
Changing the temperature polling interval . . . . . . . . . . . . . 68
Manually setting the fan speed . . . . . . . . . . . . . . . . . 68
Monitoring the cooling system . . . . . . . . . . . . . . . . . . . 68
Displaying the temperature . . . . . . . . . . . . . . . . . . . 68
Displaying fan status and speed
Displaying temperature warnings . . . . . . . . . . . . . . . . . 69
Displaying the syslog configuration and static and dynamic buffers . . . . . . 70
Static and dynamic buffers
Syslog messages for PCI (hardware) errors . . . . . . . . . . . . . . 71
Managing the switch fabric modules . . . . . . . . . . . . . . . . . 71
Displaying management module CPU usage . . . . . . . . . . . . . . 72
Removing MAC address entries
Chapter 6. Using a redundant management module . . . . . . . . . . 75
How management module redundancy works
Management module redundancy overview . . . . . . . . . . . . . . 75
Management module switchover . . . . . . . . . . . . . . . . . . 76
Unavailable active module. . . . . . . . . . . . . . . . . . . . 76
Manual switchover
Removal and replacement of a management module . . . . . . . . . . 76
Removal and replacement of an active management module . . . . . . 76
Removal and replacement of a standby management module. . . . . . 77
Switchover implications . . . . . . . . . . . . . . . . . . . . . . 77
Management sessions . . . . . . . . . . . . . . . . . . . . . 77
Syslog and SNMP traps
MAC address changes . . . . . . . . . . . . . . . . . . . . . 78
Management module redundancy configuration . . . . . . . . . . . . . 78
Changing the default active chassis slot. . . . . . . . . . . . . . . . 78
Managing management module redundancy . . . . . . . . . . . . . . 78
File synchronization between the active and standby management modules
Manually switching over to the standby management module . . . . . . . . 80
Rebooting the active and standby management modules . . . . . . . . . 81
Hitless management support . . . . . . . . . . . . . . . . . . . . 81
What happens during a hitless OS upgrade and hitless switchover . . . . . . 81
How a hitless OS upgrade and hitless switchover impacts system functions
Syslog message for hitless OS upgrade and hitless switchover . . . . . . . 83
Layer 2 hitless switchover . . . . . . . . . . . . . . . . . . . . . 83
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