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Questions tagged [snmp]

SNMP (Simple Network Management Protocol) is an Internet-standard protocol for monitoring and configuring devices on IP networks.

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Huawei Switch CE6810LI & Router Huawei NE40E - SNMP Monitoring with ELK Stack

I would like to discuss my case with you to see if I can find a way to solve the problem that I am encountering when monitoring network traffic and other aspects of our Huawei core devices. My case is ...
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How can I the snmp agent on embedded linux

I want to implement the snmp-agent on the embedded linux. Could you recommend a good reference for me?(including a monitoring program on pc) Thanks
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Can't Access Vmware Esxi from GUI and CLI after polling from OpenNMS

I added Vmware Esxi ip in OpenNMS and configured SNMP for the same. After successful addition of node, I also added Configuration in /usr/share/opennms/etc/vmware-config.xml ( I am running OpenNMS in ...
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Q: Arista, can you read spanning-tree status via SNMP

Is it possible to use SNMP to read the spanning-tree status from Arista switches? Although it is possible to set up SNMP traps for spanning-tree, I did not find anything related to spanning-tree in ...
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Cacti - Unable to find certain search query results (Search Returned no Rows.)

Posting question here since no response on cacti forums. We are using older version of cacti Version 0.8.8b for graphing and and monitoring our network. Most of features and graphs are working fine ...
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snmp server not receives data

enter code hereI have a problem when using the snmp and the server receives data, The service is running correctly and the port is listening I do a snmpwalk -v 2c -c mycommunity 192.168.1.82 (which is ...
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Configure CollectD SNMP plugin to send performance data to Azure Monitor Log Analytics

I am trying to get performance from network interfaces from network device (mikrotik, cisco routers etc.) about interface traffic via SNMP poll and send those data to Azure Monitor Log Analytics. I ...
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Collect SNMP data from on-prem assets and send it to Azure log management

I want to collect SNMP data from my on-prem equipment and send it to Azure log management. To be more precise, I have a Linux virtual machine running in Azure that is to collect SNMP data from my on-...
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Get transceiver informations through SNMP on Dell switch

From Dell PowerSwitch N4000 Series, I want to get information about transceiver through SNMP, like Wavelength, Receive Power Example: # show interfaces tengigabitethernet 1/0/5 transceiver detail ...
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SNMP requests timeout on Specific OID

I´m trying to perform a SNMPBulkWalk on a Device, but it will always run into an Timeout on a the same OID. When I try a SNMPGetNext on the OID before it also runs into an timeout. Requests: ...
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Huawei S5600 main OIDs?

I'm working with NagiosCore to check the stats of my network's switchs (mainly S5700 (modulars and non-modulars) and S5600). Using SNMP (v2c) I'm able to get stuff defined by myself such as: ...
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Monitor Windows 10 computer with Zabbix server in AWS EC2 instance, using SNMP

I need to monitor Windows 10 computer with Zabbix server, which is not installed locally, but in AWS EC2 instance. Monitoring has to use SNMP. I was looking for appropriate tutorial, but it is not ...
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Nagios SNMPTT trap Logs issues

I had a quick question regarding the nagios snmptt trap logs. The traps arent coming through in the snmptt.log with proper date..its stuck on May 17th.. it has logs for all days till May 17.. It is ...
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Grafana false positive SNMP down

NOTE: I also have Nagios running on another server that reports bandwidth warnings and up/down status. Not a single switch is alerting from this, only Grafana. Grafana version 1.14.1 I was receiving ...
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SNMP and SQL Server, is it possible to store the alerts in sql server without using any program?

I have an old system (a legacy system) that reads SNMP messages and stores (somehow) them into a SQL server 2008 tables (or 2008r2). The system is working, however, I am clueless about how it stores ...
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Zabbix 5 SNMP Discovery DELL IDRAC NIC

I have some troubles with monitoring my DELL IDRACs NIC, I'm monitoring in my Nagios (old plataform) using MIB, now I migrate to Zabbix but auto discovery from Zabbix Template doesn't get all my NICs, ...
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How to write custom SNMP scripts?

I want to send data across SNMP such as VM lv paths, VM disk IO, and VM CPU & memory usage. I've been unable to find proper resources for sending the information I need. Any help is appreciated.
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How can I send vm info over snmp?

I have a script I'm using on Fedora 34 to gather basic info about VMs running on a machine such as CPU cores, memory, drive path & size, and disk IO. How can I send this information over snmp ...
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Snmpd stop working without any changes

I am monitoring multiple server/router with snmp. Everything was working but today I saw that 3 server was not responding anymore via SNMP. The 3 snmp daemon stoped at the same moment (Saturday 6 AM) ...
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Php-fpm service fails to start on solus. Possibly due to snmp module

I am having some trouble to start the php-fpm service on solus OS. It appears that is is maybe related to the snmp module. Here are some info about the error : ~ $ sudo systemctl status php-fpm Mot de ...
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Why I am Getting Higher than %100 Network Usage From SNMP?

I am using SNMP in Ubuntu 20.04 to get the network usage info and I am using this formula to calculate the network usage: InOctets : The difference between two poll cycles of collecting the snmp which ...
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Switching APC rack PDU via SNMP

How can I switch the outlets of an APC Rack PDU (AP7920) via SNMP (Linux SNMP command tools like snmpget/snmpset) ? I can't find anything about it. I was able to walk it via: snmpwalk -v3 -a MD5 -A ...
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Is there a generic SNMP OID to get CPU fan speed on a Linux system?

I am trying to get the CPU fan speed of a QNAP NAS through SNMP. Unfortunately there doesn't seem to be a QNAP-specific OID for this, based on the QNAP MIB. Is anyone aware of a generic OID for this ...
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snmpwalk: Decryption error for APC Rack PDU

I have an APC Rack PDU (AP7920) and have configured: [x] Enable SNMPv3 access Username: switch Authentication Passphrase: test Privacy Passphrase: test Authentication Protocol: (o) MD5 Privacy ...
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best practice for device with custom and standard mibs

We have a device which has a custom MIB. But it also includes some data from standard MIBs (notably UCD) Now I could just tell my customers to load those OID seperatly or I could (this is possible if ...
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Custom MIB Textual Representation

I am an snmp beginner and have created a custom MIB and included it in snmpd.conf via pass persist. pass_persist .1.3.6.1.4.1.56947.1.1 /usr/bin/env python3 -u my_script.py While I can successfully ...
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SNMP Network traffic difference between ifInOctet and ifHCInOctet

I try to monitor some Cisco 2960x Switch devices and I know there are the SNMP OID's ifInOctets (32-bit Counter) and ifHCinOctets (64-bit Counter). Can someone explain me whats the difference between ...
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linux snmptrapd, how to write to a custom log file, or execute a custom command

Ubuntu 18.04 and 20.04, snmptrapd, versions around 5.7.3. Trap events go into syslog. Great. How can you make the log files go to a custom location besides syslog? logoption or logOption as seen in ...
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Checking Hard Disks working on Dell ESXi server using SNMP from Linux

I want to use SNMP, preferably over an SSH tunnel, to check whether the disks in my array are still working. There's 8 hard drives running behind a PERC controller on a Dell 730xd running ESXi v6. I'm ...
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I have a centos server and I am trying to monitor memory via snmp but didnot got the actual result

I have a centos server and I am trying to monitor memory but didnot got the actual result. I have used Snmpwalk and used the oid of the used memory but it is returning me the value that is not matched ...
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Dell SNMP enterprise MIB returns no data - PowerEdge R720xd

I have a Ubuntu Dell server that returns no SNMP Data for MIB SNMPv2-SMI::enterprises. Has anyone have any idea on how to troubleshoot this? I've spent quite a time and yet haven't fixed. I've ...
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How can I get the current network in/out values of any NIC of a VMware ESXi host server?

I am aware that IF-MIB provides input and output values for any NIC of a target device via SNMP. Recently a sysadmin compared the values of a specific NIC of an ESXi host server in our VCenter with ...
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SNMP: hrSystemUptime.0: Unknown Object Identifier (Sub-id not found: (top) -> hrSystemUptime)

I get the error in the title when I issue the following command. $ snmpget -v3 -u edgeos-snmpd-user -l authPriv -a SHA -x AES -A authPhrase -X privPhrase 192.168.x.x hrSystemUptime.0 hrSystemUptime....
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How to change Nagios check_snmp configuration to use SNMP v3

I posted this on SuperUser but I realized this question is probably more relevant here. I am trying to check uptime via Nagios's check_snmp plugin on a SNMP version 3 enabled UPS. I'm able to do an ...
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OID need to match exactly for SNMP to work?

I am trying to monitor a process on a Centos 7 server using SNMP, the monitoring system is Observium my collegue added proc java 10 1 to snmpd.conf and we know it's working on the server side because ...
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Wich Shebang should you use in a shell sript?

Sorry, this is maybe a stupid question, but I am new to shell scripts. I have a file called oem-device-name.sh. I need to execute an external check for Zabbix: https://www.zabbix.com/documentation/5....
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How to monitor external port 161 on my router?

Port 161 on my (fairly old Ubee UVW3200) router is open. It seems to be a backdoor from the manufacturer. It is open in stealth. Starting Nmap 7.70 ( https://nmap.org ) at 2020-03-14 21:18 CET Nmap ...
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Installing and configuring net-snmp on windows

Hi I am trying to install NET-SNMP on windows server to use it as SNMP agent. I have a remote server runnning a java thread. The thread is polling SNMP information. I installed 5.7.3 NET-SNMP and my ...
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Filtering interface results from prometheus snmp-exporter by interface name

I'm collecting interface statistics from some switches using the following configuration: modules: if_mib: walk: - ifTable auth: community: monitor The data returned from the ...
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SNMP: How to monitor devices that do not have static IP adress with Zabbix

I have some equipments in my LAN but the way things are working; I cannot set statics IPs for them, they really need to have DHCP enabled. I am using Zabbix, and for host configuration, the Ip ...
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HP system health SNMP branch not available on Linux

I'm running an HP system with CentOS 7. The SNMP info about the HDD health was not available. For example, the check_hp Nagios/Icinga plugin by Guenther Mair reports Compaq/HP Agent Check: no cpq/...
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Discover virtual machine on esxi with snmp

I want to discover all virtual machines directly on ESXi server (not by vcenter) with snmp. I have correctly started snmp service and can through snmpwalk / snmpget tools. I found this oid to get ...
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SNMP: How to find a computers IP and MAC-address? (Debian)

I'm playing around with Net-SNMP and I'm trying to find my computers IP and MAC-address but it's not working. This is the command I'm running: snmpget -v 2c -c public localhost 1.3.6.1.2.1.4 I'm ...
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snmpwalk on a Cisco MIB imported in a Redhat server

I am experimenting with MIB files so forgive me if this sounds crazy. I wish to import a Cisco network device MIB file into a RHEL7 server having net-snmp and then use solarwinds snmpwalk to collect ...
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Set SNMP community name on AWS Linux (centos)

I'm using AWS Linux (which is a Centos variant). I've used SNMP before. I'm trying to change the community name from public to something1234 (for example). I'm using the standard netsnmp package that ...
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monitoring keeplived virtual IP with snmp

I am trying to monitor keepalived VIP with snmp. I got keepalived running on two servers. We had the situation that suddenly the VIP was on both servers which was a big problem, since these servers ...
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monitoring keepalived with snmp

I am trying to monitor keepalived with snmp. Here are the relevant part of the config: /etc/snmp/snmp.conf # As the snmp packages come without MIB files due to license reasons, loading # of MIBs is ...
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SNMP missing 1.3.6.1.2.1.25.2.3.1 (Volume mounts)

Since this morning my snmpd does'nt return a result for the 1.3.6.1.2.1.25.2.3.1 tree. This only happens on the Ubuntu 18.04, on 16.04 its still working. # snmpwalk -v1 -c public ubuntu16.04.host 1.3....
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measuring total swap with SNMP when swap is larger than 4TB

We have a system with more than 4TB of swap space. I want to measure it's memory with SNMP (because I'm using MRTG to graph it). SNMP is reporting negative numbers for memTotalSwap. I suspect that ...
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Zabbix macros, how to access hosts by name, and their items or keys

I have a zabbix 4.2 installation. I have it currently monitoring a network device via generic SNMP queries with my supplied OIDs. The data is being ingested just fine, graphs are populating as ...
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