강좌
클라우드/리눅스에 관한 강좌입니다.
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SNMP관련 명령어 사용예

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최저가 서버호스팅 제공 : 85,000원/월

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경고 : 이 명령어를 완전히 습득하지않은 채로 따라하지 마십시오. 시스템의 설정값이 바뀔수도 있습니다. 필자는 어떠한 경우라도 책임지지않습니다.<?XML:NAMESPACE PREFIX = O />

snmptrapd

snmp agent로부터 trap메시지를 수신하는 데몬프로그램

UDP 162번을 사용함.

snmpd.conf 파일에서 snmptrapd가 실행된 서버의 주소를 설정해야한다.

snmptrapd는 root권한으로 실행이 되어야함.

 

 

 

snmpget

[root@kebia_2 /root]# snmpget localhost public system.1.0
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget www.kornet.net public system.1.0
Timeout: No Response from www.kornet.net.
[root@kebia_2 /root]# snmpget hosting.kornet.net public system.1.0
Timeout: No Response from hosting.kornet.net.
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget -v 2c localhost public system.sysUpTime.0
system.sysUpTime.0 = Timeticks: (34070929) 3 days, 22:38:29.29
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget -v 2c localhost public system.sysUpTime.0
system.sysUpTime.0 = Timeticks: (34083939) 3 days, 22:40:39.39
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget -v 2c ucd-snmp.ucdavis.edu demopublic sysUpTime.0
Timeout: No Response from ucd-snmp.ucdavis.edu.
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget localhost public system.sysDescr.0
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
[root@kebia_2 /root]#

 

 

 

 

snmpset

경고 : 이 명령어를 완전히 습득하지않은 채로 따라하지 마십시오. 시스템의 설정값이 바뀔수도 있습니다. 필자는 어떠한 경우라도 책임지지않습니다.

snmpset으로 system.4.0의 값을 변경한 예
변경전 snmpget으로 값을 확인하고 변경후에 다시 snmpget으로 확인하였다.

[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget localhost public system.4.0
system.sysContact.0 = Me me@somewhere.org
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpset localhost public system.4.0 s myid@test.co.kr
system.sysContact.0 = myid@test.co.kr
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpget localhost public system.4.0
system.sysContact.0 = myid@test.co.kr
[root@kebia_2 /root]#

 

 

 

snmpwalk

 

 

[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk localhost public system
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
system.sysObjectID.0 = OID: enterprises.ucdavis.ucdSnmpAgent.linux
system.sysUpTime.0 = Timeticks: (34361418) 3 days, 23:26:54.18
system.sysContact.0 = Me me@somewhere.org
system.sysName.0 = kebia_2
system.sysLocation.0 = Right here, right now.
system.sysORLastChange.0 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORID.1 = OID: ifMIB
system.sysORTable.sysOREntry.sysORID.2 =
ID: .iso.org.dod.internet.snmpV2.snmpModules.snmpMIB
system.sysORTable.sysOREntry.sysORID.3 = OID: tcpMIB
system.sysORTable.sysOREntry.sysORID.4 = OID: ip
system.sysORTable.sysOREntry.sysORID.5 = OID: udpMIB
system.sysORTable.sysOREntry.sysORID.6 =
ID: .iso.org.dod.internet.snmpV2.snmpModules.snmpVacmMIB.vacmMIBConformance.
vacmMIBGroups.vacmBasicGroup
system.sysORTable.sysOREntry.sysORID.7 = OID: .iso.org.dod.internet.snmpV2.snmpModules.snmpFrameworkMIB.snmpFrameworkMIBConformance.
snmpFrameworkMIBCompliances.snmpFrameworkMIBCompliance
system.sysORTable.sysOREntry.sysORID.8 = OID: .iso.org.dod.internet.snmpV2.snmpModules.snmpMPDMIB.snmpMPDMIBConformance.
snmpMPDMIBCompliances.snmpMPDCompliance

system.sysORTable.sysOREntry.sysORID.9 = OID: .iso.org.dod.internet.snmpV2.snmpModules.snmpUsmMIB.
usmMIBConformance.usmMIBCompliances.usmMIBCompliance

system.sysORTable.sysOREntry.sysORDescr.1 =
The MIB module to describe generic objects for network interface sub-layers

system.sysORTable.sysOREntry.sysORDescr.2 = The MIB module for SNMPv2 entities

system.sysORTable.sysOREntry.sysORDescr.3 = The MIB module for managing TCP implementations

system.sysORTable.sysOREntry.sysORDescr.4 = The MIB module for managing IP and ICMP implementations

system.sysORTable.sysOREntry.sysORDescr.5 = The MIB module for managing UDP implementations

system.sysORTable.sysOREntry.sysORDescr.6 = View-based Access Control Model for SNMP.

system.sysORTable.sysOREntry.sysORDescr.7 = The SNMP Management Architecture MIB.

system.sysORTable.sysOREntry.sysORDescr.8 = The MIB for Message Processing and Dispatching.

system.sysORTable.sysOREntry.sysORDescr.9 = The management information definitions for the
SNMP User-based Security Model.

system.sysORTable.sysOREntry.sysORUpTime.1 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.2 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.3 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.4 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.5 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.6 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.7 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.8 = Timeticks: (0) 0:00:00.00
system.sysORTable.sysOREntry.sysORUpTime.9 = Timeticks: (0) 0:00:00.00
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk ns.test.co.kr public if
End of MIB
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk localhost public if
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk ns.test.co.kr public udp
End of MIB
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk localhost public udp
udp.udpInDatagrams.0 = 30884
udp.udpNoPorts.0 = 523831
udp.udpInErrors.0 = 3
udp.udpOutDatagrams.0 = 31287
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.111 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.161 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.3891 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.111 = 111
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.161 = 161
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.3891 = 3891
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk 211.220.193.130 public if
[root@kebia_2 /root]# snmpwalk 211.220.193.130 public udp
udp.udpInDatagrams.0 = 595648
udp.udpNoPorts.0 = 15143
udp.udpInErrors.0 = 0
udp.udpOutDatagrams.0 = 593690
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.0 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.13 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.94 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.111 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.161 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.162 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.163 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.164 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.177 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.512 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.1670 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.6500 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.9494 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32771 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32772 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32773 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32774 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32775 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32776 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32777 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32778 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32779 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32781 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32783 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32784 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32785 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32792 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32793 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.32794 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.33938 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.33952 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.0 = 0
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.13 = 13
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.94 = 94
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.111 = 111
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.161 = 161
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.162 = 162
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.163 = 163
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.164 = 164
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.177 = 177
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.512 = 512
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.1670 = 1670
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.6500 = 6500
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.9494 = 9494
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.32771 = 32771
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.32772 = 32772

udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.32773 = 32773

중략….

 [root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk 211.220.193.130 public iso
system.sysDescr.0 = Sun SNMP Agent, Ultra-Enterprise
system.sysObjectID.0 = OID: enterprises.42.2.1.1
system.sysUpTime.0 = Timeticks: (87184248) 10 days, 2:10:42.48
system.sysContact.0 = System administrator
system.sysName.0 = sms
system.sysLocation.0 = System administrators office
system.sysServices.0 = 72
interfaces.ifNumber.0 = 2
interfaces.ifTable.ifEntry.ifIndex.1 = 1
interfaces.ifTable.ifEntry.ifIndex.2 = 2
interfaces.ifTable.ifEntry.ifDescr.1 = lo0
interfaces.ifTable.ifEntry.ifDescr.2 = hme0



 

 

 

snmpbulkwalk

 

반드시 SNMPv2c이상에서만 사용하는 GetBulk-Request를 사용하여 snmpwalk를 수행함.
따라서 옵션부분에 반드시 -v 2c를 적어줘야함.

[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpbulkwalk -v 2c localhost public udpTable
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.111 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.161 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.3891 = IpAddress:
.0.0.0
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.111 = 111
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.161 = 161
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.3891 = 3891
[root@kebia_2 /root]#

 

 

 

 

snmpgetnext

[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext localhost public system.1
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext test.co.kr public system.1
system.sysDescr.0 = Linux kebia_1 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext bsidc.co.kr public system.1
Timeout: No Response from bsidc.co.kr.
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext www.kornet.net public system.1
Timeout: No Response from www.kornet.net.
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext localhost public system.1.0
system.sysObjectID.0 = OID: enterprises.ucdavis.ucdSnmpAgent.linux
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpgetnext 211.220.193.181 public system.1.0

system.sysObjectID.0 = OID: enterprises.ucdavis.ucdSnmpAgent.linux
[root@kebia_2 /root]#

 

 

snmptable

[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmptable localhost public udpTable
SNMP table: udp.udpTable

udpLocalAddress udpLocalPort

         0.0.0.0          111
         0.0.0.0          161
         0.0.0.0         3891
[root@kebia_2 /root]#
[root@kebia_2 /root]#
[root@kebia_2 /root]# snmpwalk localhost public udpTable
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.111 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.161 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalAddress.0.0.0.0.3891 = IpAddress: 0.0.0.0
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.111 = 111
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.161 = 161
udp.udpTable.udpEntry.udpLocalPort.0.0.0.0.3891 = 3891
[root@kebia_2 /root]#



 

 

 

[root@kebia_2 /root]# snmptest localhost public    
Variable: system.sysDescr.0
Variable:
Received Get Response from 127.0.0.1
requestid 0x1CE3691A errstat 0x0 errindex 0x0
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
Variable:
Resending last PDU.
Received Get Response from 127.0.0.1
requestid 0x1CE3691A errstat 0x0 errindex 0x0
system.sysDescr.0 = Linux kebia_2 2.2.16-22smp #1 SMP Tue Aug 22 16:39:21 EDT 2000 i686
Variable: system.sysContact.0
Variable:
Received Get Response from 127.0.0.1
requestid 0x1CE3691B errstat 0x0 errindex 0x0
system.sysContact.0 = Me me@somewhere.org
Variable:
Resending last PDU.
Received Get Response from 127.0.0.1
requestid 0x1CE3691B errstat 0x0 errindex 0x0
system.sysContact.0 = Me me@somewhere.org
Variable:
Resending last PDU.
Received Get Response from 127.0.0.1
requestid 0x1CE3691B errstat 0x0 errindex 0x0
system.sysContact.0 = Me me@somewhere.org
Variable:
[root@kebia_2 /root]#

국내 최저가 네이버클라우드 서버 제공 : 88,000원/월
"무단배포금지: 클라우드포털(www.linux.co.kr)의 모든 강좌는 저작권에 의해 보호되는 콘텐츠입니다. 무단으로 복제하여 배포하는 행위는 금지되어 있습니다."

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