hi,
I have a few RB751U-2HnD with similar config. On two of them snmp causes 90% cpu load after some uptime.
tested on 5.17-5.18.
> system resource pr
uptime: 4h51m18s
version: 5.18
free-memory: 13984KiB
total-memory: 29696KiB
cpu: MIPS 24Kc V7.4
cpu-count: 1
cpu-frequency: 400MHz
cpu-load: 100%
free-hdd-space: 29528KiB
total-hdd-space: 61440KiB
write-sect-since-reboot: 3766
write-sect-total: 244494
bad-blocks: 0%
architecture-name: mipsbe
board-name: RB751U-2HnD
platform: MikroTik
> tool profile
NAME CPU USAGE
wireless all 0%
snmp all 91.5%
ethernet all 1%
console all 0%
firewall all 0%
management all 2.5%
profiling all 5%
queuing all 0%
bridging all 0%
unclassified all 0%
> snmp print
action timed out - try again, if error continues contact MikroTik support and send a supout file (13)
> snmp set enabled=no
action timed out - try again, if error continues contact MikroTik support and send a supout file (13)
> snmp export
/snmp community
set [ find default=yes ] addresses=0.0.0.0/0 authentication-password="" authentication-protocol=MD5 encryption-password="" encryption-protocol=DES name=public read-access=no security=none \
write-access=no
add addresses=0.0.0.0/0 authentication-password="" authentication-protocol=MD5 encryption-password="" encryption-protocol=DES name=123456 read-access=yes security=none \
write-access=no
/snmp
set contact=noc@.ru enabled=yes engine-id=123 location="Spb" trap-community=123456 trap-generators="" trap-target="" trap-version=2