Simple Network Management Protocol(`snmp`) is an "Internet-standard protocol for managing devices on networks.

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rsyslog problem

I'm trying to execute this 3 commands into rsyslog: IFS=':' read -a trap <<< "${msg}" IFS='#' read -a trap2 <<< "${trap[11]}" if $trap2 > 300 then ^/pruebas/script.sh But when ...
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19 views

Is it possible to expose a USB UPS via SNMPD?

I have a Rack Mount Cyberpower UPS I'd like to be able to monitor with LibreNMS. It only connects via USB. Is it possible to have the Ubuntu Server running SNMPD expose the UPS MIBs?
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33 views

snmptranslate is able to translate SNMP object to OID even in case of wrong MIB file?

For some odd reason snmptranslate is able to find the OID for SNMP object ifName despite the fact that I force it to use MIB file which does not contain ifName: $ snmptranslate -m ...
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Are SNMP MIB files in NMS required if NMS will poll data from SNMP agent using OIDs directly?

I plan to write a MIB module for Net-SNMP SNMP agent so that my NMS can ask a value of certain custom OID from SNMP agent. As I don't mind using directly OID instead of object name in NMS, then am I ...
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2answers
55 views

Is SNMP MIB important for SNMP agent?

It is obvious that MIBs are important for network management stations as otherwise SNMP queries based on object names would not work. For example: $ snmpget -M /dir/that/does/not/exist -On -v 2c -c ...
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1answer
60 views

How to understand SNMP MIB?

As I understand, SNMP Management Information Base databases are used by Network Management Stations to translate data from SNMP agents into understandable form. For example in case of ...
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36 views

FreeBSD: Control operational and administrative status of virtual interface

I'm looking for a way to freely control the administrative and operational status of a virtual interface as seen by a snmp get requests: $ snmptable -c public -v 2c myserver iftable SNMP table: ...
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2answers
47 views

Variable in for loop to be used as an array for a csv output

I've been struggling to come up with a solution for this, the goal is to organize the results into comma separated columns as we have to recable our entire datacenter from cat6 to cat6a. $DBFILE ...
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1answer
40 views

Where does snmpwalk start if no OID is specified?

Where in the SNMP OID tree does snmpwalk start if no OID is specified, i.e. snmpwalk is started like snmpwalk -v 2c -c public host? From .1.3.6.1.2.1?
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156 views

Pass SNMP trap packet to a php daemon on Ubuntu

I have a Ubuntu server which is collecting incoming SNMP traps. Currently these traps are handled and logged using a PHP script. file /etc/snmp/snmptrapd.conf traphandle default ...
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119 views

make a table output

if it possible to do a snmpwalk in a perl script and put the output in a table to make a sort of association like for each hostname i have in the same line if index and desc i have the script in bash ...
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46 views

Setting Qualifiers for Bash Array

I have a bash script that is running an SNMPGET of two values. I want to take the results and put them in an array. Here is the code: OUTPUT=`snmpget -v2c -c public -Oqv 192.168.0.33' \ ' sysName'\ ...
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1answer
62 views

Total data usage history with SNMP

I am working on a project to monitor the network devices by the help of SNMP and MRTG, RRDTool. As part of bandwidth monitoring, I can be able to get the maximum used bandwidth per time resolution. ...
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34 views

Multiple configuration files for Net-SNMP for easier MIBS management

I currently have a single /etc/snmp/snmp.conf that contains many mibdirs clauses. This is fine as we have a single package that contains all our MIBS, but now I would like to tie a subset of those ...
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90 views

cacti snmp ipv6 snmp error

I configured cacti on centos6.4, only ipv6, when snmpwalk command to check a client, the output is normal, but add monitoring host (ipv6) on cacti, appear "snmp error" error, how can I do? Here is the ...
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97 views

rsyslog and netsnmp support for Linux namespaces

I have configured different net namespaces (netns) on my linux machine (Ubuntu) with different routes in each. Now, if I want rsyslog and SNMP traps (netsnmp) to use one of the route from these ...
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1answer
867 views

SNMP Timeout: No Response from 127.0.0.1

I recently cloned a centos 6.5 virtual machine from one location to another. In the process, the IP and netmask of the system changed. For awhile after the clone everything seemed to work fine, and ...
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1answer
60 views

Where do I find the OID descriptions for SNMPv2 in Linux?

I was looking at this link here: http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html and noticed that the OIDs are the same ones I see for the same stats for our ...
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81 views

Start a unit after another unit goes inactive

Is there any way to delay a unit from starting up once another unit goes inactive? I have a startup process (oneshot.service) that runs as a one-shot and sets up the environment for all other ...
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3answers
2k views

How to send snmp trap when syslog is logged?

I need to send snmp trap n number of host whenever any syslog is logged in /var/log/messages. How can I do this, can anybody give me any idea?
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1answer
30 views

Net-SNMP Application

I don't know if this is the right place to ask this question, but, does anyone knows about Net-SNMP. Is it possible to not truncate the log file whenever snmptrapd is restarted? The logs are being ...
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98 views

SNMPV3 traps are not being captured correctly

I have configured master agent (snmpd.conf/snmptrapd.conf) of SNMPv5.5 on RHEL6.3 server to support SNMPV3 traps, but when I try to generate a snmptrap and capture the trace through tcpdump, I still ...
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1k views

Unable to view traps through snmptrad?

I've been unable to view traps through snmptrapd. I generated a SNMP trap manually using the below provided snmptrap command: snmptrap -c public -v 2c -n "" localhost 0 uptime But I'm ...
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2answers
353 views

Bandwidth Management tool

There are tools available like MRTG , Cacti etc through which we can monitor network traffic on network interfaces on a host. The network traffic flow information that is provided by these tools is ...
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4k views

No response from remote host for Nagios check_snmp_mem.pl plugin

Trying to setup memory usage monitoring for Nagios using the check_snmp_mem.pl from Nagios SNMP plugin. I could not even get it working from the command line, I mean I go to /usr/lib/nagios/plugins ...
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1answer
3k views

snmpwalk community results to timeout

My snmpwalk suddenly stopped working, which was working earlier, after restarting the snmp also didn't work out, snmpwalk -v1 -c gives me timeout and it's working for other machines as well. I tried ...
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197 views

Nagios trap snmptt fails to trigger

I want to monitor a HP 7500 switch power supplies. I have my OID, given by the HP web interface. So I create a snmptt.conf.hp, I create a service, passive and volatile, add this OID to a trap, and ...
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3k views

How do I generate an SNMP community string for MRTG?

I have trying to set up MRTG on my server, following this guide: https://help.ubuntu.com/community/MRTG I followed it as far as, cfgmaker ...
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1answer
1k views

Net-SNMP over TCP?

Is it possible to get Net-SNMP running over TCP instead of UDP? The daemon program can be configured at the termiinnal to listen for TCP connections with: snmpd tcp:1161 However, there are no flags ...
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1answer
280 views

Why doesn't build of net-snmp 5.7.2. provide /etc/rc.d/init.d/snmptrapd?

I am packaging an RPM for RHEL6, built from net-snmp-5.7.2.tar.gz. I see that the file /etc/rc.d/init.d/snmpd gets created and packaged but I do not see the init file for /etc/rc.d/init.d/snmptrapd. ...
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snmp issue:Two similar sever returning different output

I am having issue with SNMP OID's . I have two similar servers (hardware and software ) Which is DEll server with RHEL 5.3 X86_64.Issue is when I run the SNMPWALK for one server it shows proper data ...
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244 views

High-level command to request several branches of snmp in one tcp-session?

We are trying to monitor our servers mainly with SNMP. Due to performance reasons we are changing this from single requests to snmp-bulk-requests (as allowed in SNMP v2c). In theory (at least to my ...
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1answer
973 views

snmp/snmptrap support of ipv6

I have IPv6 only (not dual stack) system I wondering how to - send snmptrap from this system? - configure snmpd to be able to access it? I mean, is snmp is ready to use in IPv6 only environment?
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1answer
795 views

SNMP Trap on Unix

Nearly for 6 days i 'm trying to get over this problem . I have 2 machines . One of them is manager 10.201 machine, and the other is agent (10.226) i've configured manager's snmptrap.conf file like ...
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1answer
212 views

SNMPD only system group available!

I installed at fedora snmpd package... > view systemview included > .1.3.6.1.2.1.1 view systemview > included .1.3.6.1.2.1.25.1.1 view > all included .1 80 ...
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1answer
2k views

Unable to make outbound SNMP connections when IPTables is enabled

I have a bunch of windows servers configured with the windows SNMP agent. Each server has four IP addresses and SNMP listens on all of them. There is something very odd with my monitoring server ...
3
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1answer
1k views

Query DHCP server leases from Perl script

I have a Windows 2003 server and need to poll the DHCP lease information from it with a perl script that is running on a Ubuntu server. Then I need to analyze & store the information in a mysql ...