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

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How to use SNMP to read all the 802.11 probe request messages on an accesspoint [on hold]

each Wi-fi clients send probe request to all access points around. I want to programmatically read all 802.11 probe request messages on each an access point in our building. How to use SNMP from any ...
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Why is the wrong MIB being used during snmpwalk?

Running snmp walk for the following OID 1.3.6.1.2.1.43.11.1.1.9, which belongs to PRINTER-MIB under prtMarkerSuppliesLevel, is returning SNMPv2-SMI values. I imagine they are correct, but why is the ...
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15 views

How to implement snmptrap with custom OID

Is there any way to implement SNMP trap with a custom OID by using snmpd and net-snmp?
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12 views

IP SLA in software [closed]

I am thinking of developing a small piece of software that will mimic part of the Cisco's IP SLA feature. I am wondering, if network connectivity fails, how can one change the static routes of a ...
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7 views

SNMP set and SNMP trap by using snmp_passpersist

I use snmp_passpersist to implement snmpget. Can it be used to implement snmpset and snmptrap as well?
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35 views

Customize OID of snmp in linux

Iwant to add an custom OID to MIB tree structure. I add the line as below to file /etc/snmp/snmpd.conf extend test1 /bin/echo Hello, world! but I don't know how to specifiy the exact OID ...
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15 views

ipSystemStatsOutDiscards increments, but not the interface specific counters?

Here's an odd one. I noticed that one of my nameservers was complaining about some outbound congestion, and that it seemed to correlate incrementing interface discards on my outbound path. Open and ...
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7 views

Change MAX-ACCESS value in IP-MIB

I am trying to query IPv4 of agent through SNMP. I see that IP-MIB contains object ipAddressEntry, which as a second value has ipAddressAddr which is exactly what I need. ( ...
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8 views

analyze Cisco ASA high cfwConnectionStatCount value

SNMP monitoring of our Cisco ASAs includes the CISCO-FIREWALL-MIB::cfwConnectionStatCount.protoIp.currentInUse value (OID .1.3.6.1.4.1.9.9.147.1.2.2.2.1.5.40.6), described as "number of connections ...
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4answers
268 views

Monitor DELL hardware on VMware ESXi 5.5 server

Despite researching this topic quite a bit online (to be fair I'm not a full time sysadmin) I'm unable to figure this out. We have a bunch of VMWare ESXi 5.5 servers, some of which are integrated ...
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1answer
20 views

snmpd becomes unresponsive (Centos 6)

In the last couple of days, a Centos 6.7 mailserver on which I am monitoring is cotinuously timing out on snmp queries. No changes have been made to the server in the period immediately preceding the ...
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74 views

Zabbix drops in SNMP from Cisco SG200 switch

I'm using Zabbix 3.0 to monitor our main switch in which the port from the firewall as well as other ports show what appear to be drops of either sending or receiving. One would conclude that if this ...
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20 views

Cisco UCS SNMP configuration 'scope fault' for sending test messages to trap

I'm attempting to configure and test SNMP and have figured out the GUI portion with adding SNMP traps and users. My question is which mode do I need to connect to or scope to so that I can 'scope ...
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41 views

How to use SNMP to get port state of all VLAN in Cisco switch

I am working on using SNMP to get the state of the port of a spanning tree. I used OID .1.3.6.1.2.1.17.2.15.1.3 and it returned the state of the port. e.g. C:\Users\imuntol>snmpwalk -v 2c -c test ...
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1answer
30 views

snmpwalk not seeing mibs

Having a strange problem using Ubuntu 15.10. Yesterday I had to do a reboot due to a system update, and after the reboot 2 of the MIBs I use - LM-SENSORS-MIB and UCD-DISKIO-MIB do not work in ...
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UC Davis (1.3.6.1.4.1.2021) MIBS not working with SNMPv3

I made a SNMPv3 setup in order to test how it can be integrated with some third party scripts. I need to use some of the MIBS from 1.3.6.1.4.1.2021 in order to do this but couldn't manage to ...
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11 views

SNMP monitoring of Intel ANS teaming adapter

I'm having two Intel NIC adapters configured for SFT/switch fault tolerance and installed the corresponding SNMP agent of the driver for Windows 7 Embedded. The teaming function are working but I ...
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19 views

Add a client to SNMP server and listen traps from that client

SERVER : 10.21.8.109 CLIENT : 10.21.10.10 I have installed net-snmp-utils on both machines and confirmed that snmpget, snmpwalk etc works on both. snmpget executed on SERVER to check if ...
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10 views

SNMP:- How to get all possible textual values

I am using a snmpget command to query a Supermicro PSU i.e snmpget -On -c 'public' -v2c localhost 1.3.6.1.4.1.10876.2.1.1.1.1.2.73 .1.3.6.1.4.1.10876.2.1.1.1.1.2.73 = STRING: "PS1 Status" snmpget ...
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32 views

SNMP OID mappings

I am trying to get ifDescr and ifHCInOctets OID from my pfsense firewall. When I issue a Get from snmpwalk: snmpwalk -v 2c -c xxxxx 10.1.0.41 .1.3.6.1.2.1.2.2.1.2 I receive the following output: ...
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2answers
142 views

How does SNMP get CPU usage on Linux?

Does a SNMP call to get CPU usage for a Linux box eventually just read the /proc/stat file?
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74 views

How can I monitor pppoe session counts per subinterface on cisco router via snmp?

My BRAS router is a Cisco ASR 1004 and I am already using the command "show pppoe summary per subinterface" to monitor the online session counts. I am already using the oid ...
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15 views

FreeBSD snmpd on a single interface [duplicate]

I have a FreeBSD host with multiple IP interfaces. I would like to have snmpd listen on a single private IP interface, but I am getting the following error when trying to start the service. Error ...
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1answer
14 views

SNMP MIB for geographical location

I am writing an SNMP agent and would like to incorporate the node's identifier and/or geographical location into the data. I was wondering if there are standard MIB's for these or even a commonly used ...
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1answer
49 views

SNMPD - Add custom OID not working

I've got an application which keeps an error counter in a table in MySQL. I want to be able to put this information into Cacti for long term graphing, so I'm learning about SNMP now. I want to write ...
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1answer
109 views

Enable SNMP XenServer 6.5

I want to enable snmp on my servers running xenserver 6.5. I've found a few articles with instructions to do so and the whole process seems pretty straight forward but my question is this - is there ...
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52 views

Real time Rssi from Clients from a Cisco WLC

I have a Cisco WLC and different LWAPPs. What I am looking for is a way to be able to get in the WLC the rssi of all connected clients. For the moment I am able to access through SNMP to the ...
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1answer
26 views

How do I change the community string of an snmp device? [closed]

I have many snmp devices that has their community string set to "public". Is there a way to change the community string of an snmp device?
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269 views

How to receive SNMP Traps through Centreon

I want to receive some test traps on Centreon. I configured Centreon and I sent some test traps, but the passive services don't react. I’m using Nagios 4.1.1 and Centreon 2.4.5 within Nagios FAN 2.1. ...
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25 views

Can a snmpd.conf access control entry contain multiple networks?

If I want to restrict SNMP access to a list of networks in snmpd.conf, can I do something like: rocommunity secret 10.0.0.0/24, 172.10.0.0/16 (Just so nobody chastises me - "secret" is an example - ...
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39 views

SNMP table for physical interfaces Cisco routers

For monitoring purposes, we are querying via SNMP the ifTable of our Cisco Catalyst routers. But virtual interfaces, like vlans are also returned, this list can become quite long, but even more, it ...
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145 views

Calculate Sum of Zabbix items

I want to monitor a switch (48 ports). With SNMP and LDD, i can have the bandwidth of each port, but i want to have the sum of all items (something like ifOutOctets(*)) Is is possible ? How ?
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1answer
208 views

VMware ESXi 6 not reporting CPU usage correctly over SNMP

I'm trying to monitor CPU usage of VMware host over SNMP, and I'm not getting the result I expect. I'm requesting this resource with snmpwalk: HOST-RESOURCES-MIB::hrProcessorLoad AKA hrProcessorTable. ...
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1answer
34 views

How does SNMP manager gets MIB from devices

I have been studying SNMP for a while. I understood SNMP manager can query a particular OID within the managed device's MIB. In order to do that the SNMP manager must know the MIB of the managed ...
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124 views

SNMP commands for IBM server

I’m trying to get some data from an IBM server, for example the temperature using the OID .1.3.6.1.4.1.2.3.51.3.1.1.2.1.1 If I run the command: snmpget -O n -v 2c -c public IP ...
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17 views

Are there any known OIDs to get upload and downloaded data of connected hosts to a cable modem through SNMP?

We are working with SNMP and required to extract monitoring information from different cable modems through SNMP. We have been able to extract QoS parameters at CPE level and are looking to get ...
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61 views

SNMP - filter results of a walk, based on the incoming interface

I want to be able to dynamically filter the result of an SNMP walk, via an intermediate agent (a process) based on the interface(IP) where the request came from. I.e., my scenario is like this, say ...
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62 views

SNMPSet Execute Remote Command [closed]

I am trying to use SNMPSet to execute a command on a remote server. I'm not 100% sure this is possible. I've been researching this, but I cant find any way to do this. Any insight would be ...
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468 views

SNMPTT No access configuration - dropping trap

I have a host server that has its own MIB file, but I need to be able to catch the MIB traps on Nagios 4.1 core. I'm using the SNMPTT plugin installed on a RedHat 6.5, but I'm not able to get my traps ...
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218 views

net-snmp change default port 161 to something else

Ports 161/162 are in use by a java software, so the requirement is to use 163 for net-snmp [root@testSRV snmp]# netstat -apn | grep 162 udp 0 0 ::ffff:10.145.1.10:162 :::* ...
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49 views

debian snmp server temp?

I'm trying to query remote Debian Jessie hosts' cpu temp using the output of lm-sensors on remote host (which works) to generate an snmpd query to eventually graph with mrtg. Is there a better way to ...
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1answer
301 views

Is there an OID to retrieve specific HDD partition on SNMP?

I want to get hard disk free space of a specific partition, is there a way to retrieve this with SNMP OID? Is there any special OID for this? EDIT: the OID .1.3.6.1.4.1.2021.9.1.7.1 refers to ...
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1answer
85 views

How to set up an end-to-end SNMP data collection system to cloud?

Aim: We are creating a cloud server which will collect diagnostic data (like bytes exchanged, SNR) from remote SNMP enabled network devices (like Routers, Switches). The SNMP devices may be located ...
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1answer
421 views

snmp: getting the short interface name instead of long ifDescr (again)

I'm using cricket to do some simple monitoring (including network devices) of my Debian-based servers. The interfaces are identified by name (e.g. eth0, eth1,...), and cricket maps these names to the ...
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Opennms - Physical interface update on Cisco Switches

I'm using opennms version 16.0.2-1 on ubuntu server 14.04 LTS. I'm configuring some cisco switches to send traps to openms. The traps are notified to events in opennms, if i put a physical ...
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33 views

Typical procedure to identify unknown objects in MIB? (SNMP)

Over the past week or so I've spent time getting to know SNMP. I have quickly learnt that the bane of working with SNMP devices, to create simple monitoring tools, are the MIBs. In my particular ...
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139 views

collectd snmp Juniper CoS statistics

I'm struggling to derive meaningful metric names out of my collectd configuration for grabbing CoS statistics from some Juniper switches. The <Data> definition looks like this: <Data ...
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1answer
27 views

Why would you add MIBs to a device/agent?

I'm currently learning all the SNMP protocols and attempting to put together a script for querying device information, purely all GET queries. I've seen a lot of example questions/scripts where ...
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3answers
2k views

Is SNMP still used widely as of 2015?

A lot of things about SNMP seemed cumbersome to me even 15 years ago. One example is the concept of MIB being a local resource to "make sense" of the otherwise numeric OIDs. Has SNMP been modernized ...
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How to get SNMP/ILO notifications when my SMTP requires TLS?

We have an aging HP Proliant ML350 G6, Server 2008 R2, running ILO 2, and the System Management Homepage is using SNMP as its data source. This is a barebones server install, hosting our virtual ...