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

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Developing an SNMP agent for linux

I'm developing a snmp agent for linux and I wonder if there is a directory or file proper protocol statistics snmp OIDs to develop snmpInPkts, snmpOutPkts, snmpInBadVersions, snmpInBadCommunityNames. ...
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536 views

MRTG does not give precise value or converts wrong?

By example: I have SNMP response value 59757296, passed to MRTG via conf ("business as usual"). The value is in bytes (I checked specs of the target device plus web interface of device confirms). In ...
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3answers
947 views

Hardware checks for Dell R820 Servers through Nagios using SNMP

We use Nagios for monitoring. Is there a way to create hardware checks using SNMP MIB for R820 servers running ESXi5.x on them? Right now we are using this python plugin: current python plugin But ...
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2k views

Getting the currently logged-in user to a Windows XP Pro system

We have a XP machine which runs scheduled tasks early in the morning and unfortunately has to be logged into the desktop of a certain user for that to work. Unfortunately, that user sometimes gets ...
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3k views

SNMP Service Throws Error 1500 and Returns Bad Information

In my environment, I have SolarWinds Orion monitoring Windows Server 2008 R2 and Server 2012 boxes. Occasionally, monitors will flap or fail, even though the monitored item has not failed or met the ...
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Check users currently logged in on the remote system with Nagios

In Nagios there exists a check_users function to check the number of users logged into the local system but how do I do the same for a remote system? I have failed in trying to find the appropirate ...
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582 views

Total CPU usage Object ID?

How can i find the correct OID to get the total cpu usage of my Checkpoint (linux) based firewall? with 8 cores CPU. I found this : ssCpuUser .1.3.6.1.4.1.2021.11.9 ssCpuSystem ...
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477 views

Informix snmp sub agent with net-snmp

Has anyone succesfully configured informix 10 snmp subagent to work with net-snmp in linux or windows?
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418 views

snmpd.conf disk directive dskIndex order

I'm trying to configure snmpd on my CentOS hosts to monitor the free disk usage in percent. If I set snmpd.conf to disk / disk /var , the values can be queries with 1.3.6.1.4.1.2021.9.1.1.1 for ...
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627 views

How to monitor dynamic network interfaces with MRTG? (*nix)

Every time I restart my OpenVPN tunnel it increments interface's number and breaks MRTG graph for the interface. IF-MIB::ifName.76 = STRING: tun_w after restart: IF-MIB::ifName.77 = STRING: tun_w ...
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Is it possible to have on service check multiple hosts on nagios

I have a few hosts that check for the temperature through snmp, and I was wondering if I could combine the 4 different services into one service that checks all 4 hosts temperatures. I know that they ...
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/usr/local/share/snmp/snmpd.conf: line 5: Error: unknown payload OID

using ubuntu with net-snmp snmp work but in sys.log i see a lot of errors about snmpd.conf snmpd.conf: rwcommunity community 10.0.0.1 rwcommunity community 10.0.0.2 agentAddress udp:10.0.0.1:161 ...
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252 views

System health monitoring of unmanaged server using WMI / SNMP

I need to monitor the health of a couple unmanaged servers (specifically Dell SC1425), preferably using WMI or SNMP. They are running Windows Server 2003 SP1. Ideally I am looking for a single ...
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280 views

Unable to send v3 trap using snmptrap

I am trying to send snmp v3 trap using snmptrap command on ubuntu 12. I tried: sudo snmptrap -v 3 -c 1 localhost -a MD5 -A abcdefgh -l noAuthNoPriv -u myuser sudo snmptrap -v 3 -c 1 localhost -a MD5 ...
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262 views

How to use SNMP agents?

Just a basic SNMP related question. I'm just trying to understand the concept of SNMP agent and had the following questions: 1) Normally, do we need to install an agent on the managed system on our ...
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3answers
32k views

How to verify SNMP is working on Windows 2003/2008 servers?

I've installed SNMP on my environment of Windows Server 2003/2008 and configured with group policy to allow our monitoring system to SNMP READ and TRAP with our custom community string. I have a ...
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5answers
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APC Smart-UPS: remote power shutoff?

Given: A server room containing about two dozen rackmount servers and a PBX. About a dozen APC Smart-UPS 2200s providing power to this equipment. A fire suppression project requiring immediate ...
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1answer
1k views

How to monitor Xerox printer jobs?

I'm trying to write a system for monitoring around 200 network printers using SNMP (Java SNMP4J library). The printers are mainly Xerox Phasers and Workcentres. Now, I need to get: the number of ...
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525 views

Observium and SNMP

I have Observium installed but I can't seem to get the unix-agent to get MySQL, Apache and other statistics. I have the unix-agent enabled under the Poller Modules. I have also tested and ensured ...
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99 views

Netgear FVS338 SNMP and OID

I downloaded SNMPWalk.exe and I ran the following: snmpwalk.exe -r:192.168.2.254 -p:161 -c:"public" -os:.1.3.1.1.4.1.4526 I ended up with over 900 something OID options. How do I know what they do ...
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4k views

How can I get FreeNAS and pfSense to report more using SNMP?

I have two servers which run variants of FreeBSD: One is a pfSense router and one is a FreeNAS 8 server. Both these servers run SNMP, and I am collecting and graphing their information using a third ...
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366 views

Where to download a free MIB complete database

I want to update an MIB database that is exhaustive. oidview is limited so I couldn't finish downloading MIBs per vendor and only Cisco is making its OIDs available for public on ftp. Is there a way ...
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2answers
1k views

SNMP HOSTMIB.MIB not loading?

Forgive me if the answer is something glaringly obvious but I just can't seem to get access to any OIDs under the HOST branch in SNMP. I've used an SNMP browser to inspect a few of my systems and ...
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78 views

Easy way to add a MIB?

I want to add some tests to a block of remote servers. It looks pretty straightforward to code this using NetSNMP::Agent from Perl. What I'm not clear on is the best way to add the definitions to a ...
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28 views

SNMP: detect sd card issues?

Is it possible to use SNMP to detect and report events for an sd-card? Trapping based on available space is straightforward but I don't see a way to notify when a card is tampered with.
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Configure selinux to allow snmpd to read to a custom location

I have snmpd executing a script under /custom/location/myscript.sh. If I disable selinux all works well. If I enable selinux it stops working and if I do an audit2why I see the following: type=AVC ...
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What is the impact of disabling a printer's checkbox for “SNMP Status Enabled” with or without a print server inline? [closed]

To harden SNMP security one must deviate from the default get community string of "public". Once that is done, as well as disabling any remaining get community strings of "public" such as HP units, ...
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2answers
210 views

In need of a SNMP repeater

I have a monitoring system that has primary/failover nodes for just about every aspect. I have configured anything that is able for multiple SNMP trap destinations, but I do have a number of devices ...
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1answer
158 views

Setting an alarm until acknowledgment (Nagios\Icinga)

I am SNMP polling a router and checking the amount of errors on an interface. Since SNMP counters can not be cleared on the device I am storing the last value received in a temp file. If there is an ...
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2answers
4k views

How to capture SNMP request and response using snoop

Using the following command I can capture SNMP requests to my server, is there a way I can also capture the response my SNMP agent sends? snoop -o snmp.cap udp port 161 Thanks for any thoughts
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How do I poll the ARP table with an SNMP OID?

When you need to poll the ARP table of a device, conventional wisdom is to use ipNetToMediaPhysAddress or atPhysAddress; however, both of these OIDs are deprecated according to Cisco's documentation. ...
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8k views

How can I monitor CPU Temperature in windows over SNMP?

On linux you can use lm_sensors to expose CPU temperature to snmp, and use your tool of choice to graph it. I'd like to do the same with Windows. I found SNMP-Informant which offers two free ...
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2answers
3k views

Monitoring IPSEC traffic on Cisco ASA

I have cacti monitoring a bunch of things on my Cisco ASA 5505s, but nothing to indicate the level of traffic flowing through VPN tunnels on them. Is this data available through SNMP on the ASA, and ...
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526 views

SNMP over the internet

Basically, I have a small network where my OpenNMS installation is located on a CentOS 6.4 machine. Now I have a server(CentOS also) that I want to monitor but is on the internet, with a public ...
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491 views

Eaton Powerware 9170+ (with ConnectUPS Web/SNMP Card) - Cannot make all SNMP queries nor change SNMP community name

Does anybody has this UPS (Eaton Powerware 9170+)? I'm having some problems with it. Unfortunatelly all related to this product is bad documented. My problems: Don't know where to change SNMP ...
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87 views

Identifying SNMP packet from just the IP header

Is it possible to identify an SNMP packet from just the IP header?
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1answer
2k views

No buffer space available and tuning with sysctl

Not really a network guy so please bear with me. I'm currently hosting a web application that sends UDP to all IP addresses in it's subnet periodically. That's 2048 IPs. My problem is it throws No ...
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1answer
1k views

How can I get memory usage reported in SNMP under Mac OS X 10.8 Server?

I have two servers running Mac OS X 10.8.3 Server (Build 12D78) with SNMP reporting enabled. I have a cacti server set up collecting data from these hosts. My Load Average, CPU Usage, Disk Space Usage ...
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351 views

Multiple connections using multiple IP addresses to same PC

Background: I have a network management application (like Nagios or OpenNMS but not either one) under testing that requires all managed devices to have individual IP addresses ie. SNMP traps received ...
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1answer
735 views

Forwarding SNMP ports over SSH

I access my work network through a VPN and have access to every host in there through SSH. Currently I need to access around 3000 hosts via SNMP, but corporate sec policies restrict SNMP access ...
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33 views

Before buying it, how can I tell if a storage array makes certain performance counters available over SNMP?

I've noticed that documentation for SNMP reporting that is built-in to devices (i.e. doesn't need an agent running in an OS) usually doesn't include a list of performance counters that are available ...
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274 views

What software to use to generate bandwidth graphs in real time? [closed]

What sofware could I use to monitor my server's bandwidth in realtime, or at least, update every x minutes. My server (dell r620) is connected to a routerboard Mikrotik rb1200. But, as my router is ...
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1answer
320 views

Filter Zenoss Alerting Rules for certain Data Source only (or certain Data sources active only at a given time)

We're working to monitor a couple of services with Zenoss over SNMP and have implemented the SNMP part. We have configured data sources (to various OIDs) and thresholds for these values and hosts to ...
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1answer
44 views

Limit SNMP access to VPN

I need to deploy about a thousand machines across the US later this year. I'm hoping to use SNMP to monitor their (collective and individual) status. The whole block will be connected via OpenVPN so ...
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1answer
1k views

How to add an event/alert on Zenoss for a string type SNMP OID?

I have the status of a particular application being reported as string over SNMP. When everything is working as expected, that monitoring reports an empty string and when some of the data sources ...
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125 views

Set system time using SNMP?

Is it possible to set system time on Windows Server using SNMP? So you push out the time instead of using NTP
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3k views

nagios not sending notification email

Nagios not sending notification for my services. I have two service called PING and STATUS in nagios localhost. PING service check host availability using ping command and STATUS service get the SNMP ...
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3answers
1k views

Windows network SNMP traffic overflow?

How would I go about retrieving 64 bit counters for network traffic on windows (Server 2008 specifically)? I'm seeing too many rollovers on the 32 bit counters for our polling interval, leading to ...
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2answers
7k views

How to monitor printer host status with zabbix

I need to monitor host status of printers from zabbix. I managed to monitor the inklevel via SNMP. Any ideas to monitor printer reachable or not ?
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3answers
2k views

DELL switch 6248 port and mac mapping using SNMP

I have a Dell 6248 switch. I connect some of my servers to it and want to know which server nic connected to which switch port. I try using snmpwalk to get this information, but I just can get mac/ip ...