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

learn more… | top users | synonyms

15
votes
5answers
18k views

Looking for a good SNMP Browser to run under Windows [closed]

I used to use Getif for poking around inside SNMP results from servers and devices. However it no longer works with Windows 7 and 64-bit. I am looking for hopefully an open source bit of software ...
12
votes
1answer
1k views

Is anyone using an SNMP and/or WMI poller to push custom metrics to Amazon CloudWatch, and if so how?

Amazon CloudWatch has a decent console, and an alarm system which uses Amazon SNS for notifications. Originally it only gave you AWS metrics, e.g. EC2 instance CPU utilization. Recently they added ...
11
votes
1answer
11k views

Why does snmp fail to use its own MIBs?

I've done a fresh install of Ubuntu 12.04LTS, and installed the snmpd and snmp packages. If I type: snmpwalk -m ALL -v2c -c public localhost 1.3 I get swathes of errors, of the form: Cannot adopt ...
11
votes
1answer
2k views

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 ...
10
votes
5answers
14k views

How do I passively monitor the Windows Event Log?

How can I monitor the Windows Event Log remotely such that I will be informed automatically when certain events occur? There are plenty of active monitoring solutions, but they require human ...
10
votes
1answer
3k 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 ...
9
votes
5answers
5k views

Solution to route/proxy SNMP Traps (or Netflow, generic UDP, etc) for network monitoring?

I'm implementing a network monitoring solution for a very large network (approximately 5000 network devices). We'd like to have all devices on our network send SNMP traps to a single box (technically ...
8
votes
3answers
650 views

SNMP - So I have a MIB. Now What?

I can't seem to get my head wrapped around the purpose of a MIB. I have a collection of ~20 MIB files that were supplied to me by the vendor, but what do I do with them? I also have a few OID's that ...
8
votes
6answers
16k views

Monitor a Windows Server using SNMP

How hard can this be? I want to get the current CPU performance from a remote Win 2k3 machine. I need to use SNMP because the machine is behind a firewall. Assumptions: I understand networking/can ...
7
votes
5answers
918 views

What can SNMP be useful for in a small network?

I have been administering servers and clients in small business offices, and have never used SNMP. But I have read about it and it looks interesting. As what I understand, it is mostly useful if you ...
7
votes
6answers
379 views

Computer controlled winch

It was a long time coming but I've just had AC installed in my server room. I've also purchased a MiniGoose II from ITWatchDogs which I can't say enough about. So I'm covered by cooling, and I'll be ...
7
votes
1answer
4k views

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. ...
7
votes
3answers
4k views

Is there a way to share S.M.A.R.T. data over SNMP?

Is there a way to share S.M.A.R.T. data over SNMP? I'd like to be able to make cacti graphs of it and hook it up to Nagios. What I want to do is be able to get some statistics on my harddisks ...
7
votes
3answers
496 views

How do I collect SNMP readings from intermittently-connected sites?

I am collecting SNMP data on-site for a number of systems, currently using Cacti. These systems are spread on a number of sites that aren't always connected to internet, but I also need to centralize ...
6
votes
2answers
7k views

SNMPD not binding correctly

OS: Debian 5.0.3 SNMPD Version: 5.4.1 I have the following two lines in my snmpd.conf file: interface eth0agentaddress udp:161 I'm getting the following errors in my syslog: Oct 5 18:04:44 ...
6
votes
1answer
4k views

How do I remotely install, configure and maintain SNMP?

I'm looking to remotely install the SNMP and SNMP WMI Provider services on Windows Server 2008 R2, configure specific options for the Agent, Traps, and Security tabs, then make sure these services and ...
6
votes
1answer
5k views

snmptt not translating traps, even with translate_log_trap_oid=1

I am having some trouble configuring snmptt to properly translate snmp traps. The following is a problem: /etc/snmp/snmptt.conf reflects: EVENT fgFmTrapIfChange .1.3.6.1.4.1.12356.101.6.0.1004 ...
5
votes
8answers
2k views

Is there a good way to programmatically configure VLANs on a managed switch?

My situation is that my company makes a product that (currently) requires the user to set up a dozen or so VLANs on a managed switch that is dedicated to the exclusive use with our product. ...
5
votes
1answer
423 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 ...
5
votes
4answers
2k views

Checking for read only file systems remotely

I need to remotely periodically check if a Linux file system is mounted read only on lots of servers. The only tools at my disposal in this instance are the usual CLI scripting languages ...
5
votes
2answers
2k 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 ...
5
votes
3answers
783 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 ...
5
votes
2answers
482 views

Collecting and centralizing information from many servers, sort of like Puppet's facter

We manage hundreds of RedHat Enterprise Linux servers happily with Puppet. One of the cool side effects is that we can go to /var/lib/puppet/yaml/facts and look at the output of the "facter" utility ...
5
votes
1answer
2k views

Linux ifIndex persistence for SNMP

We are using OpManager to montior interface devices on remote linux boxes. These boxes have VLANs that we use to collect information about the networks that are being trunked to the boxes. For ...
5
votes
1answer
428 views

SNMP MIB file resource

My company(ISP) has 50+ switch models in our network, we manage them via SNMP from our web based intranet, for some Huawei switches we can't figure out the OID's we need (we usualy figure the OID we ...
5
votes
3answers
11k views

Simulate SNMP traps to test surveillance

I'm trying to use Net-SNMP on Windows to emulate a trap that should trigger an alarm on our surveillance system. This is the setup: Windows 7 client that sends the trap Net-SNMP as software for ...
5
votes
1answer
206 views

HP 5500 switch manual states SNMP traps impact performance and advises against their use unless “necessary” - why?

We just bought two HP 5500-24G-4SFP beasts and I'd like to properly integrate the switches into Nagios. Most of our current monitoring polls actively via SNMP so I figured it would be wise and use the ...
5
votes
2answers
1k views

Monitor Size of the CAM Table on a Cisco Switch

We noticed some stray packets from our switch going out ports they should not have. After clearing the cam table with clear mac address-table the problem seems to have gone away. Our best theory at ...
5
votes
1answer
2k views

Tracking Avaya call volume via SNMP?

Our company uses an Avaya IPOffice system. We're relatively light on our call volume, but I'd really like to know where our peaks and valleys are. Is it possible to track call usage on the Avaya ...
4
votes
5answers
3k views

Ntpd monitoring

Is it possible to monitor an ntpd server running on windows using snmp ( or possibly something else ) I couldn't find any documentation on the subject. I'm interested in any information the server ...
4
votes
2answers
9k views

SNMP equivalent for show ip route?

I'm new to SNMP. Is there an equivalent in SNMP to "show ip route" on a Cisco 10K router?
4
votes
1answer
3k views

Can I give my own MIB any OID that I want? Is there a convention to application MIB OID?

I created a scalar MIB for my application, monitor request_queue_size. I followed the write MIB tutorial . The OID there is a long hierarchical OID. I wonder if I can give a short hierarchical OID ...
4
votes
5answers
23k views

Monitoring Bandwidth Usage (Per Internal IP) - Cisco ASA 5505

I manage a small network with a Cisco ASA 5505 and a shared DSL connection. I would like to be able monitor the bandwidth usage of the various users/devices on my network (by IP). Can I do that ...
4
votes
2answers
10k views

Query total page count via SNMP HP Laserjet

I was asked to get hold of the total pages counts for the 100+ printers we have at work. All of them are HP Laser or Business Jets of some description and the vast majority are connected via some ...
4
votes
2answers
1k views

Which SNMP variables to diagnose/characterise wifi congestion?

I'm preparing for a load test of a classroom wifi system. The pupils all turn on their laptops at the start of the lesson, which launches the web browser and then they start the lesson - which ...
4
votes
2answers
744 views

Snmpd update interface counters slowly or something like this

I update one my freebsd box to 9-stable (totally new installation) and install net-snmp for monitoring. uname -r 9.1-PRERELEASE pkg_info net-snmp-5.7.1_7 Information for net-snmp-5.7.1_7: ...
4
votes
3answers
1k views

How do I use SNMP

I´m taking a network management class and the main topic is SNMP. Although my teacher is good at explaining the theoretical part of SNMP ( V1,V2,V3, RMON, MIBS etc.) he is not good at explaining the ...
4
votes
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 ...
4
votes
2answers
1k views

Can Zabbix alert me when an SNMP device does not respond?

Zabbix is capable of monitoring SNMP-capable devices, and even displays their status in its web interface: The green icon indicates that Zabbix is receiving data. The red icon indicates that ...
4
votes
1answer
683 views

Stack Switch Failure Check using Nagios

We have a Cisco 2960S series switch which is a stacked switch with multiple physical switches managed as a single unit. A single management IP is assigned to the entire stacked switch. Therefore, if ...
4
votes
2answers
629 views

Missing CPU Cores in Net-SNMP

I have a server with dual Intel Xeon E5-2667 CPU (6 cores+HT) running OEL(RHEL) 6.4 For some reason snmp query to it shows cores from only 1 CPU. Here's output sensors command. [root@host log]# ...
4
votes
1answer
868 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 ...
4
votes
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 ...
4
votes
2answers
5k views

/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 ...
4
votes
2answers
1k views

Minimal OpenManage Linux Installation for SNMP Raid Monitoring?

Is there a minimal installation I can do to make RAID information on a PowerEdge server available in SNMP so I can monitor it with Nagios? I have found command line utilities I could use check_by_ssh ...
4
votes
1answer
1k views

HP ProLiant Gen8 Health Agents and EL6.x - cpqHoMibHealthStatusArray has changed to the value: x

I've noticed that my HP ProLiant Gen8 servers report the following message via email to root (or the destination configured in /opt/hp/hp-snmp-agents/cma.conf) upon restart. Trap-ID=11020 ...
4
votes
1answer
2k views

Monitoring OSPF links with SNMP

I am looking for a way to monitor OSPF links using SNMP. I have attempted to try to poll the Neighbor State of a specific peer, looking for a value of Full, and going into alarm once the value is no ...
4
votes
2answers
2k views

Where are SNMP MIBS evaluated? Can I make my own?

You can monitor lots of different data points about a Linux system using SNMP, if you pick the correct MIB numbers (e.g. like .1.3.6.1.4.1.2021.9.1.2.1 on http://www.debianhelp.co.uk/linuxoids.htm). ...
4
votes
1answer
990 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 ...
4
votes
2answers
255 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 ...