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

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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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26 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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181 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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141 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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227 views

Where are the available debug tokens for the Net-SNMP tools listed?

In snmpcmd(1), under "Generic Options", it says, -D[TOKEN[,...]] Turn on debugging output for the given TOKEN(s). Try ALL for extremely verbose output. What tokens ...
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305 views

DL360 G2 SNMP drive failure location

I've got this service call with the snmp information provided below, about the drive failing in HP DL360 G2 server: Error log Event Type: Error Event Source: Storage Agents Event Category: Events ...
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736 views

SNMP only works on localhost

I'm trying to monitor a remote server using SNMP v3 and Centos 6.4. When I use snmpwalk to test the configuration on the server I'm trying to monitor: snmpwalk [connection parameters...] ...
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428 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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51 views

Is mcelog redundant if I'm using OpenManage as well?

I'm exploring whether it's worth deploying mcelog on physical RHEL machines. These machines are about 90% Dell and so we can see them in OpenManage and OM is configured to send alerts for various ...
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1k 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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76 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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649 views

How accurate is cisco's “show proc cpu history” compare to snmp's cpu loading?

I'm using snmp to monitor my cisco router's cpu loading, but the number has a large difference with show proc cpu history's output. When sh tells me cpu loading is 7x%, the snmp only gets 2x%. Which ...
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312 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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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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226 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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42 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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938 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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617 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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118 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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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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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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2k 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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6k 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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SNMP not working on Juniper ethernet switch

I need some help on configuring SNMP for Juniper EX4500 ethernet switch. I am performing this command: host1:~# snmpwalk -v 2c -c my_community_string 192.168.1.1 .1 Timeout: No Response from ...
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Looking for a Simple Linux Monitoring Agent [duplicate]

I'm looking for a simple, easy to install, works on all of the major linux distros, works with SNMP, monitoring agent software. It should simply report the disk usage, server load, process list, ...
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2k views

How does snmpd know where to send a trap?

I'm trying to get my head around our snmpd.conf file in order to begin managing snmp with puppet. The existing file has several alarms setup for things like excessive disk space, load, etc. I'm ...
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404 views

snmpwalk partially works, then returns a timeout. After the timeout, the walk does not work at all. What could be causing this?

I have sysedge running on two hosts for snmp. They have the same SNMP configuration in HKLM\SYSTEM\CurrentControlSet\services\SNMP exactly the same, but one host does not work. If I restart sysedge on ...
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846 views

Find client IP connected to VLAN from Cisco Catalyst 3600 by SNMP

I would like to get using of course SNMP, list of client IPs connected to VLAN in Cisco Catalyst 3600. So far, I have pseudo-algorithm made by me which obtains those IP addresses, but I am not sure ...
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63 views

dot3StatsDuplexStatus not firing from Cisco Switch

Anyone have any luck with this Trap dot3StatsDuplexStatus OID = 1.3.6.1.2.1.10.7.2.1.19 I am able to test the OID by doing an SNMP walk which shows the correct information, however no Traps are ever ...
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SNMP Deprecated in Windows Server 2012

According to Technet's Features Removed or Deprecated in Windows Server 2012, SNMP is being depreciated: SNMP is deprecated. Instead, use the Common Information Model (CIM), which is supported ...
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422 views

Query NetApp with snmpget/snmpwalk

I have loaded the NetApp MIB file onto a linux server and I am able to snmpwalk the management interface. However, with the MIB loaded I only seem to see results that are prefixed with either RFC1213 ...
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339 views

What does message “chassis marginal” mean from VMware ESXi 4.1 SNMP trap on a Dell PowerEdge R710 server?

Wanted to post this here in case anyone else has this issue. We have a Dell PowerEdge R710 running VMWare ESXi 4.1, we got an SNMP trap message via Nagios monitoring: SERVICE CHECK: ...
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88 views

Should I let VPS providers install snmp on it?

My VPS provider is asking me to have snmp installed on it. My question is why should I do so? and is there any security reasons I should avoid doing so?
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129 views

Create a SNMP event at startup on Linux

I want to trigger an SNMP event when our machine has booted up and I would like to have the info if the shutdown was properly done or it was because of a fatal error. And suggestion which path to go ...
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2k 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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58 views

Mass SNMP updates?

Is there an easy way to update over 1000 Windows hosts with an additional permitted manager? I have tools to remotely run scripts on hosts, but it is a little bit difficult to filter out specific ...
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666 views

sysRestart Billion ADSL router (SNMP v2 or HTTP)

Background I am used to restart my servers on a scheduled basis. Now I want the same for my ADSL router. This is my reason: When a random failure occurs, I am used to normally try to reboot the ...
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163 views

Server-Ip address is not getting displayed in snmp-trap messages

my problem is about Ip Address which I am receiving on the windows system snmp-trap messages,is some thing like that UDP: [192.168.1.150]:1029->[0.0.0.0]:0 while same trap message on linux system ...
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302 views

Why is there an EtherType for SNMP?

Today I was reading through some documentation about the fundamentals of networks (IP, Ethernet, MPLS, ...). And while looking at the Ethernet Types that can be used in the Ethernet Frame I saw there ...
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3k views

SNMP - Value of CPU processor load not reflecting reality

Trying to plot CPU load on my server, with the following hardware: ProLiant DL360p Gen8 (same behavior on ProLiant DL360 G7). The machine is running VMWare ESXi5.1 To create a CPU spike I run dd ...
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1answer
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Accessing temperature data on ESXi5.1?

For ESXi5.1 (VMWare vSphere) images, I can see temperature data on the vSphere user interface (under Monitor / Hardware Status). I tried scouring the available snmp data using snmpwalk, but can't find ...
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314 views

What is the Linux equivalent of SNMPc network manager? [closed]

I need Linux based open-source SNMP management system. Castle Rock's SNMPc is an excellent tool but supports only windows. What is the equivalent to SNMPc in the Linux world???? Thank you.
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242 views

Network devices bandwidth monitoring and graphing with open source components?

We can use ganglia to monitor metrics on servers, but it does not seem to be an option for network gear monitoring. To monitor bandwidth of a switch, we need to either poll the port through SNMP ...
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2answers
295 views

Cisco NCS - how to mass update AP settings

we have a NCS (Cisco Prime Network Control System) to monitor our wireless network. To update AP names and location i have to search for the ap mac address in the web interface, and configure them ...
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387 views

Ubuntu 10.04 SNMP No Change In ifInOctets / ifOutOctets

I have succesfully set up cacti on 3 different Ubuntu machines here to monitor bandwidth usage. Upon trying to set it up on a remote machine, the bandwidth counter does not change. #snmpwalk -v 2c ...
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2k views

SNMP closed state in CentOS

I'm having a problem here, I've added to my IPtables rules this: -A INPUT -p tcp -m state --state NEW -m tcp --dport 161 -j ACCEPT -A INPUT -p udp -m state --state NEW -m udp --dport 161 -j ACCEPT ...
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Do you know any SNMP agent for windows that allows to monitor instant load of CPU?

In this question I asked about the possibility of monitoring instant cpu load. The answer was that windows default snmp agent does not give that option (seems only allow to read 1 minute average cpu ...
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50 views

Monitor Server Blade Components using snmpwalk

Is it possible to monitor sun blade server components,/SYS (host system) Motherboard /SYS/MB, /SYS/SP Service processor etc using snmp. By using snmp i was able to get chasis temp, Fan speed, Voltage. ...