Hi,
I’ve set up SNMP to monitor our switch ports. I’m pulling the following OIDs:
ifAdminStatus
ifHCInBroadcastPkts
ifHCInMulticastPkts
ifHCInOctets
ifHCInUcastPkts
ifHCOutBroadcastPkts
ifHCOutMulticastPkts
ifHCOutOctets
ifHCOutUcastPkts
ifHighSpeed
ifInBroadcastPkts
ifInDiscards
ifInErrors
ifInMulticastPkts
ifInNUcastPkts
ifInOctets
ifInUcastPkts
ifInUnknownProtos
ifIndex
ifLastChange
ifMtu
ifNumber
ifOperStatus
ifOutBroadcastPkts
ifOutDiscards
ifOutErrors
ifOutMulticastPkts
ifOutNUcastPkts
ifOutOctets
ifOutQLen
ifOutUcastPkts
ifPhysAddress
ifSpecific
ifSpeed
ifType_info
I noticed a while back that our switches had unstable CPU usage and traced it down to SNMP. I have now tested with a fully resetted CRS354 (v6.48.6) and confirmed the behaviour. The SNMP request takes a few seconds and the CPU usage pretty much goes up to 100% in the meantime. We could probably trim the OID list, but I wanted to verify whether this is expected behaviour?
/interface bridge add admin-mac=DC:2C:6E:8F:79:EB auto-mac=no comment=defconf name=bridge
/interface wireless security-profiles set [ find default=yes ] supplicant-identity=MikroTik
/interface bridge port add bridge=bridge comment=defconf interface=ether48
/ip address add address=192.168.88.1/24 comment=defconf interface=bridge network=192.168.88.0
/ip dhcp-client add disabled=no interface=bridge
/snmp set enabled=yes
/system clock set time-zone-name=Europe/Stockholm
/system package update set channel=long-term
/system routerboard settings set auto-upgrade=yes boot-os=router-os