SNMP MIB

• 参考
  • mibDepot - Free SNMP MIB Search Engine for SNMP MIBs
  • prometheus/snmp_exporter/generator/generator.yml

net-snmp-config --default-mibdirs
mkdir -p ~/.snmp/mibs
# --create-dirs
curl --output-dir ~/.snmp/mibs -O ftp://ftp.cisco.com/pub/mibs/v2/CISCO-SMI.my
curl --output-dir ~/.snmp/mibs -O ftp://ftp.cisco.com/pub/mibs/v2/CISCO-RHINO-MIB.my

snmptranslate -m +CISCO-RHINO-MIB -IR -On ciscoLS1010ChassisFanLed
snmptranslate -On CISCO-RHINO-MIB::ciscoLS1010ChassisFanLed

# mibs +ALL
cat <<CONF >> $HOME/.snmp/snmp.conf
mibs +CISCO-RHINO-MIB
CONF

# env
MIBS=+CISCO-RHINO-MIB:SOME-OTHER-SPIFFY-MIB
export MIBS

General

• sysLocation https://www.alvestrand.no/objectid/1.3.6.1.2.1.1.6.html

Printer

• Printer MIB v2 https://tools.ietf.org/html/rfc3805
• Printer MIB https://tools.ietf.org/html/rfc1759

HOST-RESOURCES-MIB

• HOST-RESOURCES-MIB
  • 系统运行情况
    • hrProcessorLoad=1.3.6.1.2.1.25.3.3 CPU %
  • http://www.oidview.com/mibs/0/HOST-RESOURCES-TYPES.html
• rfc2790

snmpwalk -Os -c public -v 2c 192.168.1.1 host
# 或
snmpwalk -Os -c public -v 2c 192.168.1.1 1.3.6.1.2.1.25

UCD-SNMP-MIB

• UCD-SNMP-MIB
• http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html

name	oid	desc
UCD-SNMP-MIB::laLoad.1	1.3.6.1.4.1.2021.10.1.3.1	1min load
UCD-SNMP-MIB::laLoad.2	1.3.6.1.4.1.2021.10.1.3.2	5min load
UCD-SNMP-MIB::laLoad.3	1.3.6.1.4.1.2021.10.1.3.3	15min load

UBNT

• UBNT UniFi MIB
• http://dl.ubnt-ut.com/snmp/UBNT-MIB
• http://dl.ubnt-ut.com/snmp/UBNT-UniFi-MIB
• unifiIfRxBytes 为 802.3 - ethternet
• unifiVapTxBytes 为 802.11 - 无线
• ng - 2.4 GHz
• na/ac - 5 GHz
• 常用
  • sysUpTime
  • interfaces
  • ifXTable
  • 1.3.6.1.4.1.41112.1.4 # ubntAirMAX
  • 1.3.6.1.4.1.41112.1.6 # ubntUniFi

caution

• 开启 高性能设备 选项会导致 unifiVapNumStations 错误计数
  • 仅将高性能客户端连接到 5G
  • unifiVapNumStations.0 和 unifiVapNumStations.1 返回相同数值 - guest 和 user

curl --output-dir ~/.snmp/mibs -O http://dl.ubnt-ut.com/snmp/UBNT-MIB
curl --output-dir ~/.snmp/mibs -O http://dl.ubnt-ut.com/snmp/UBNT-UniFi-MIB

snmpwalk -v 2c -c public -m +UBNT-UniFi-MIB 192.168.1.1 1.3.6.1.4.1.41112.1.6

unifiVapEssId * on(unifiVapIndex) group_right(unifiVapEssId) (unifiVapRadio * on(unifiVapIndex) group_right(unifiVapRadio) unifiVapNumStations)

unifiVapEssId{instance="$instance"} * on(unifiVapIndex) group_right(unifiVapEssId) (unifiVapRadio{instance="$instance"}  * on(unifiVapIndex) group_right(unifiVapRadio)  unifiVapNumStations{instance="$instance"})