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

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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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411 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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1answer
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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1answer
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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2answers
74 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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3answers
610 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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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
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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215 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
41 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
901 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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595 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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117 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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1answer
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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2answers
5k 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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5answers
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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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1answer
1k 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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392 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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1answer
811 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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404 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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333 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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85 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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127 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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1answer
57 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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1answer
647 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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1answer
154 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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297 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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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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1answer
299 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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231 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
274 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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1answer
377 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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1answer
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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1answer
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. ...
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1answer
396 views

Why would snmp.exe utilize 1.2GB of memory?

We particularly don't use snmp for anything significant, at least not that I'm aware of. Is it normal for snmp.exe to consume 1.2GB after 285 hours of up time? Seems a bit excessive. Why would ...
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1answer
214 views

Solaris 10 snmp exec multiple strings

I am trying to use snmp to query a directory listing. I have added the exec line to snmp.conf ("exec list /bin/ls /pathtodirectory") and restarted the service. When I perform an snmp walk for the exec ...
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1answer
442 views

SNMP bytes received disagrees with ifconfig

SNMP ifInOctets = 2145342796 - about 2GB. ifconfig: RX bytes:174302710687 (174.3 GB) Interestingly, the sent bytes agree almost perfectly: ifOutOctets: 1002415050 - about 1GB ifconfig: TX ...
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1answer
403 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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2answers
1k views

net-snmp snptranslate dosnt work for my MIB (snmpget does work)

I add my own MIB module to net-snmp. I put my Mib txt file under - '/usr/local/share/snmp/mibs' I see that if i change net-snmp files their the change is reflected , so this mibs are loaded ...
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1answer
8k views

Cacti not working for SNMP data sources

I installed packages cacti and snmpd on a Debian server. I'm able to display common graphs in Cacti (such as memory usage, load average, logged in users, etc) using the data templates listed as Unix. ...
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2answers
4k views

How to calculate CPU % based on raw CPU ticks in SNMP

According to http://net-snmp.sourceforge.net/docs/mibs/ucdavis.html#scalar_notcurrent ssCpuUser, ssCpuSystem, ssCpuIdle, etc are deprecated in favor of the raw variants (ssCpuRawUser, etc). The ...
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659 views

Configure vlan on Netgear switch via SNMP

I am trying to configure vlans on a netgear GS752TSX from the Linux command line with netsnmp. I have created vlan 99 on the web interface now want to control the pvid settings, egress and tagging. I ...