|All hardware problems generate alarms that generate SNMP traps.
Review the trap history.
||show snmp trap history
|Check the status of the PFUs. the command output indicates the
power level for the cards in the chassis. All active cards should be in an "ON"
||show power chassis
|Check the power status of an individual chassis.
||show power all
|View the status of the fan trays.
|View the LED status for all installed cards. All LEDs for active
cards should be green.
||show leds all
|Checking the temperatures confirms that all cards and fan trays
are operating within safe ranges to ensure hardware efficiency.
|View mapping of the line cards-to-controlling application cards.
||show card mappings
View a listing
of all installed application cards in a chassis.
all required cards are in active or standby state and not offline.
include slot numbers, card type, operational state, and attach information.
show card table
show card table all
|Display a listing of installed line cards with card type, state,
and attach information. Run this command to ensure that all required cards are
in Active/Standby state. No card should be in OFFLINE state.
||show linecard table
|View the number and status of physical ports on each line card.
Output indicates Link and Operation state for all interfaces – Up or Down.
||show port table all
|Verify CPU usage and memory.
show cpu table
show cpu info
|System Status and
|Check a summary of CPU state and load, memory and CPU usage.
||show cpu table
|Check NPU utilization within the chassis.
||show npu table
|Check availability of resources for sessions.
||show resources utilization table
|Review session statistics, such as connects, rejects, hand-offs,
collected in 15-minute intervals.
||show session counters historical
|View duration, statistics, and state for active call sessions.
show session duration
show session progress
|Display statistics for the Session Manager.
||show session subsystem facility sessmgr all
|Check the amount of time that the system has been operational
since the last downtime (maintenance or other). This confirms that the system
has not rebooted recently.
||show system uptime
|Verify the status of the configured NTP servers. Node time
should match the correct peer time with minimum jitter.
||show ntp status
|Check the current time of a chassis to compare network-wide
times for synchronisation or logging purposes. Ensure network accounting and/or
event records appear to have consistent timestamps.
||show clock universal
|View both active and inactive system event logs.
|Check SNMP trap information. The trap history displays up to 400
time-stamped trap records that are stored in a buffer. Through the output, you
can observe any outstanding alarms on the node and contact the relevant team
for troubleshooting or proceed with SGSN troubleshooting guidelines.
||show snmp trap history
|Check the crash log. Use this command to determine if any
software tasks have restarted on the system.
||show crash list
|Check current alarms to verify system status
show alarm outstanding all
show alarm all
|View system alarm statistics to gain an overall picture of the
system's alarm history.
||show alarm statistics
|If enabled, view statistics associated with Inter-Chassis
Session Recovery (ICSR).
show srp info
show srp monitor
show srp checkpoint statistics