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Questions tagged [snmp]

Simple Network Management Protocol(SNMP) is an Internet-standard protocol for managing devices on IP networks. SNMP generally operates over UDP.

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Proxy snmp v3 requests to snmp v2c configured servers

I am trying to configure Net-SNMP to accept incoming SNMP v3 requests to a proxy agent and relay them to other internal application servers as SNMP v2c requests. I saw some comments that it is ...
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15 views

evntwin is not generating traps for system events

I have a strange issue with evntwin.exe that some traps are not being generated as follows from the contents of exported events.cnf: #pragma add "Application" "Microsoft-Windows-WMI" 5617 1 0 #pragma ...
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14 views

Solarwinds UnDP issue

I have Solarwinds Orion on trial at the moment. The piece of equipment I have, has it's OID's in the Mib database. I have used Orion UnDP tool, to find, and add the poller (add it to the web ...
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24 views

Installing Net-SNMP on Visual Studio 15 (Windows 10 64bit)

I'm new to SNMP but I want to use it to configure a wifi AP based on info given by a user. My issue is that I can't seem to properly install Net-SNMP on my Visual Studio project. I've searched a lot ...
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3 views

Cannot get SNMP response from Juniper SRX240

Here is my config: snmp { name JuniperSRX; description "Main Router"; location "Main office"; contact "admin@domain.com"; engine-id { local 111; } client-list ...
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145 views

Installing SNMP in WIndows 10

So, I need to install SNMP in a windows 10 pro computer with no internet access, or any arrangement for a temporary internet access. In windows 10 there is option to add features in the "Programs and ...
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1answer
32 views

Creating a service for snmpd.exe on windows server + Cygwin

I need to create a service for the snmp daemon snmpd.exe which is installed on my windows server 2016. I use sc create snmpd binPath= "C:/path/to/snmpd.exe" and then I try to start it with sc start ...
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28 views

snmp-check not sending output via 1> to a .txt file

In Kali, running snmp-check <IP target> -c public 1> OP.txt does NOT place the output in the file but snmp-check <IP target> -c public writes to the terminal. Why is this ...
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145 views

Filtering wireshark traffic for all snmp

What is the correct syntax for a CAPTURE filter to capture ALL SNMP traffic? (Note: SNMP can use both TCP and UDP protocols.
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1answer
25 views

snmpwalk v2 unknown token (centos)

I've installed opennms on centos7 but when trying to enable snmp on it I keep getting the unknown token errors. Such as comsec2, group, view, access. The command I'm trying to run is: snmpwalk -v 2c ...
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315 views

Collect MAC-Adresses of connected devices via SNMP

i am working on an script, which collects data from Netgear-switches via SNMP. My problem is, that i am not able to find the OID, which represents the MAC-address of the clients connected to a port. ...
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53 views

Why a device is not detected on pci network card?

UPDATE 1 The OS on the server is Windows 10 Enterprise I have a device that is connected directly to a server with an ethernet cable. No other ethernet cables or devices are connected to the server. ...
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58 views

Set IPv4 address with snmpset

I'm currently working on a school project where we had to set up an snmp on a CentOS machine and try some stuff. I am getting all the values I need with snmpwalk and snmpget also works flawlessly, but ...
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1answer
65 views

How can I get a graphical representation of the traffic going through my switch

I have a small home network with 4 PCs, several tablets and a number of appliances. These all route to the WAN router through a Netgear Managed Switch (GS724Tv4). I have noticed that the network ...
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1answer
631 views

How to change the SNMP community name “public” in (ZT230) Zebra printer?

I have an SNMP issue with the community name. The default name is "public". When I tried to change it to anther one, I find that I can walk the SNMP with two name "public" and "loreal" (giving the ...
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24 views

net-snmp what's wrong with the OID?

I have requested for a PEN(Private Enterprise Number) and got it. The PEN is 50743. I have a very simple MIB which looks like this: SAMPLE-SNMP-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-...
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1answer
347 views

Net SNMP daemon doesn't start

I had it working perfectly for years but suddenly (I think it's following the debian 8 -> debian 9 upgrade) it stopped working. I have tried several things and ended up purging everything: # apt ...
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1answer
737 views

Selecting between Zabbix Agent, SNMP and other available protocols in Zabbix NMS

I have started using zabbix 3.2 and currently I am monitoring 10 devices , 8 of which are Snmp based and 2 are Agent based. Currently both type of devices are showing basic data like CPU, Memory etc. ...
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803 views

SNMP Set:Timeout, No Response

snmpwalk -v1 -c public $ip enterprises.10642.20.10.10.5.11.3.0; snmpget -v1 -c public $ip enterprises.10642.20.10.10.5.11.4.0; snmpset -v1 -c public $ip enterprises.10642.20.10.10.5.11.4.0 s ...
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766 views

SNMP : Community Name is “public”, how I can change it?

I want to change SNMP community Name in Zebra ZM600 printer from public to private for ex: snmpwalk -v1 -c public "address IP" enterprises.10642.20.10.10.5 when I walk the MIB tree I use public like ...
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63 views

change commuinty name snmp via zpl commande

I want to change the community name snmp for zebra printer via zpl commands the community name snmp is public in default, i tried with ^NN command , but nothing change, this is an example : ^XA ^NN,,...
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21k views

How to get CPU temperature on Windows system using both Snmp and cmd

I am currently working on NMS Zabbix. After some R&D, I am able to get the CPU temperature info on Linux via snmp as well as terminal using LM-SENSORS. However, the same doesn't work for Windows; ...
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1answer
30 views

Where are MIBs installed?

I'm a little confused on where MIBs are installed/required for SNMP. Do they need to be on both the end point device AND the monitoring tool? Or just the monitoring tool?
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461 views

Not able to install SNMP on CentOS

I am trying to install SNMP utility on my CentOS. I have Mysql pre-installed on the machine. I am getting following error : yum install net-snmp Loaded plugins: fastestmirror, langpacks Loading ...
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2answers
259 views

Remote shutdown of a group of linux servers (SNMP/Bonjour/socat?)

I have a group of linux servers on my subnet that I want to be able to remotely shutdown from a master machine. I don't want the non-master machines to have to coordinate with the master in advance, i....
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184 views

How to properly control snmptrapd within a bash script

I am trying to monitor snmp notifications using snmptrapd. It is ran using bash script and I add the '&' at the end of the snmptrapd line (1) to run it in the background. This way I start ...
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35 views

Measure download volume from a service provider

I have an internet service provider that uses satellites. I need to measure the actual download volume for specified time periods. My reading on this lead me to believe that SNMP will do this. Thus I ...
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4k views

tcpdump is overlooking some snmp traffic

I am sniffing for SNMP traffic to code a testcase for some network hardware. Currently I start tcpdump like this: tcpdump -i any -nn port snmp I then send some SNMP traffic from the same host: ...
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1answer
414 views

Datacenter traffic reporting with Cacti

I am trying to get a good profile of my data usage so I know what kind of connection speeds I need when placing servers for colocation. I have Cacti installed and connected to 2 servers through snmp ...
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1answer
45 views

Calculating network usage from a server

I am trying to calculate the % network utilization for a server on my network for any snmp traffic, (in or out). I have followed the below steps, can someone point out if I have gone wrong in the ...
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2answers
2k views

Is the “SNMP Service” unavailable in Windows 10?

Adding the SMTP service to a Windows OS seems quite straightforward in almost all cases: open the Windows Features interface, then check the "Simple Network Management Protocol" option. After ...
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2answers
60 views

Configure SNMP to send messages to two different monitoring platforms

Is it possible to configure snmpd on Ubuntu (via snmpd.conf) to send messages to two different monitoring applications? For example, lets say I have defined a read only community called 'readonly', ...
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1answer
250 views

How to retrieve the signification of a SNMP OID

I'm working on SNMP protocol and analyzing a dump using snmpwalk. Each line starts by an OID like iso.3.6.1.2.1.1.5.0, do you know how to get information about each OID ? For example on wikipedia it'...
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459 views

How do I find out the SNMP OID prefix?

I am trying to get information on the current IN / OUT bound traffic on an Airport Express router displayed in an openHAB setup. what I need is to be able to supply a line something like these: in: ...
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85 views

Can I get a cumulative In and Out counter for SNMP of my CentOS Linux servers from Nagios?

My SNMP monitoring server (Nagios) has a handful of plugin files for network interface monitoring, none of which so far have really helped me, or my parameters are not correct. I am monitoring remote ...
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1answer
596 views

How to enable SNMP on Linksys WAG120N

I'm trying to enable SNMP on my WAG120N. There is no config for enabling such a feature in device configuration page (http://192.168.1.1) But when I back up my config and open it in a text editor ...
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1answer
5k views

How to set up snmpd to listen on an alternative port (other than 161)?

I am working on a CentOS 6.4 64-bit, as root. I am trying to set up the system snmpd agent, so that it listens on a port other than 161, e.g. 8001. I successfully got that on Debian 7.x by just ...
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2answers
54k views

Is there an SNMP feature for Windows 10?

In previous Windows versions, I could install the SNMP feature, which allowed network monitoring software to remotely gather basic system information from Windows. I haven't been able to find anything ...
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0answers
109 views

Snmpd blind scan on different subnet

I have snnpd installed on 3 computers on the same subnet and can discover the rest from any computers in that network. The command I use is: snmpwalk -v 1 public ip However, when I move one to ...
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103 views

Simulate SNMP Trap with SNAT

I have to test SNMP 2c Traps. I want to send those traps from some computer and the trap destination has iptables. So before the trap enters the NMS, I could just rewrite the real source of the trap ...
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1answer
149 views

How to see previously retrieved SNMP values in Nagios

I have successfully configured Nagios 3.2.3 to monitor several SNMP Agents. For instance, I'm monitoring the OID RFC1213-MIB::udpOutDatagrams.0 on one of those agents. This is working fine. I can ...
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59 views

How can I know if SNMP Walk or a Table-View is started?

Hello how can I know if a User has "sent" a SNMP-Walk or a TABLE-VIEW request to a device with UCD-SNMP/NET-SNMP and custom coding?
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93 views

Sonicwall SNMP configuration

I'm playing with an old Sonicwall and I'd like to configure it with SNMP. All docs and Googling I've done show the same procedure: System > Administration > SNMP Enabled ( community string etc. ) ...
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1answer
975 views

How to track traffic flows to each IP on home network? [duplicate]

first-timer here. I will try to explain this as clearly as possible, as I'm not an engineer or anything. My Router: ASUS RT-AC87U - DD-WRT firmware installed, SNMP enabled. Topology: I have two ...
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2answers
2k views

SNMP not using community string in snmpd.conf

I'm trying to simply set up SNMP on a Red Hat system. I can walk the MIB tree just fine using the following command (from a different server): snmpwalk -v2c -c public HOST IP However, when I try to ...
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1answer
6k views

A printer's SNMP community name is the default “public”, will changing it affect it's use?

I'd like to change it from the default "public" as a part of removing vulnerabilities in the workplace. Also, can the "read only", "read/write", and "trap" community names use the same strings?
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2answers
5k views

SNMP : with not root user

I normally do snmptraps and other net-snmp commands without problems with root session, but when i try to execute same commads with a normal user i obtain follow errors: Cannot rename /var/lib/net-...
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1answer
769 views

SNMP (net-snmp) is missing 64 bit counters on FreeBSD 9.1 (ifHCInOctets/ifHCOutOctets)

I am using SNMP (from the port net-mgmt/net-snmp, v5.7.2, compiled with "MFD_REWRITES") on a FreeBSD9.1-RELEASE system. For some reason, the ifXTable MIB (1.3.6.1.2.1.31.1.1.1) seems to be missing the ...
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1answer
18k views

SNMP: Configuring/Enabling SNMPv3 on Windows 7

How do I enable SNMP v3 and configure SNMP v3 users and groups in Windows 7?
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385 views

Delete Hung TCP Sessions with SNMP

What I am trying to do, and failing horribly, is to close a TCP connection... I am trying to do this via SNMP and the functionality that is provided in the TCP MIB. First, I look at all the ...