Suppose in SNMP managed Network, Network card of one machine
fails then how Management Devices comes to know about this
machine and suppose in other case machine gets shutdown then
how it will be recoginised.
Answer Posted / farooq.j
1. N/w card fialure
2. Agent Shutdown
Two cases Traps are are not sent.
This Condition easyly Known from SNMP Object In the System
Group i.e SysUpTime.
This is useful even if we are not implemented traps.
Procedure :
Plot The Gaph for SysUpTime Object from any MIB
browser ,then when the system goes shutdown.it stops at One
point in the Graph .Note that time.again when the system
runs the timer comes to zero and start incrasing.
by using this we know exact time when the system goes
down and when it is up.
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