This article shows you how to turn your Windows box into an SNMP-enabled host, using Net-SNMP.
Step 1: Installation
Obtain installation (binary) package from Net-SNMP site and install using all default setting. By default, the Net-SNMP is installed under C:/usr. Follow the list of snapshots below to download and install the latest stable version of Net-SNMP.
Step 2: Configuration
Add Net-SNMP to the path. Go to “Control Panel”->”Performance and Maintenance”->”System”. Click “Advanced” Tab. Then click “Environment Variables”. From System Variables list, select Path, then click “Edit” button. Append “C:net-snmpbin” to Path variable value. Then click “OK”->”OK”->”OK” to save.
Select “Start”->”Run” to open a DOS prompt. Then at the prompt, type “snmpconf –i”. Then select C:/net-snmp/etc/snmp/snmp.conf to read the default setting in.
Select snmpd.conf, which is configuration file for the Net-SNMP SNMP agent. It’s documented on this SNMPD.CONF page. The snmp.conf file the configuration file for the Net-SNMP applications and it’s documented on this SNMP.CONF page.
The most basic configuration is to set up read and write communities and community strings. To do so, select 1 for “Access Control Setup”.
Select “3: a SNMPv1/SNMPv2c read-only access community name“. Hit Return key.
Enter “public” as the community string; you can enter any string you like. The community string works a bit like password. Then enter nothing for both “the hostname or network address to accept…” and for “The OID that this community ….”. By entering nothing, we specify that we will accept SNMP queries from all hostnames and all network addresses and that this community can view all MIBs installed on this SNMP agent.
Select “4: a SNMPv1/SNMPv2c read-write access community name“. Hit Return key.
Enter “public” as the community string. Then enter nothing for both “the hostname or network address to accept…” and for “The OID that this community ….”. By entering nothing, we specify that we will accept SNMP read-write queries for this community from all hostnames and all network addresses and that this community can view all MIBs installed on this SNMP agent.
To exit and save snmpd.conf, enter “finished” -> “finished” -> “quit”.
To verify the Net-SNMP has been configured correctly, go to C:net-snmpbin and double click “snmpd.exe” to run the SNMP agent.
You may see this warning message because SNMPD would try to bind to several TCP ports (161 for general SNMP messages and 162 for trap messages), just click “Unblock”. If you are not the admin of your machine, you might want to ask your admin whether you can run a SNMP agent on your machine.
You should see a terminal that looks like this. This is the log windows of snmpd.exe. Only close it if you want to kill snmpd.exe.
Now you are ready to poll network info from your SNMP-enabled box! At the prompt, type “snmpwalk –v 2c –c public localhost”. The “snmpwalk” command retrieves a subtree of management values using SNMP GETNEXT requests. It’s syntax is as followed:
snmpwalk [APPLICATION OPTIONS] [COMMON OPTIONS] [OID]
If no argument is given, snmpwalk will search the subtree rooted at SNMPv2-SMI::mib-2. The “-v 2c” option tells snmpwalk to use SNMP version 2c, whereas the “-c public” option specifies the public community string. Lastly, “localhost” option tells snmpwalk to query from localhost.
C:\usr\etc\snmp> snmpwalk -v 2c -c public localhost |
To set up SNMPv3 security, here is a short instruction, thanks to this article on netadmintools.com. First, add the following two lines to snmpd.conf
createUser jess MD5 "jess_password" DES rouser jess |
Make sure you restart the Net-SNMP Agent service after these changes. This will set up a read only user jess that will authenticate with the passphrase jess_password using MD5/DES for encryption. Note that the password is available in plain text in the file, unlike with the GNU/Linux configuration; however, the traffic is still encrypted.
Now we can get the sysUpTime, how long snmpd has been running.
C:\usr\etc\snmp> snmpget -v 3 -u jess -l authNoPriv -a MD5 -A jess_password localhost sysUpTime.0 |
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U Saved my day. Thank you.
Suddenly our server SNMP didn’t work at all. Even remove & re-install didn’t work!
But you helped me(and company) so much.
Thank you again.
What’s Happening i’m new to this, I stumbled upon this I’ve found It positively helpful and it has helped me out loads. I am hoping to give a contribution & aid different users like its helped me. Good job.
Hi.
How can i setup net-snmp Agent on windows with snmp v3?
Check out the SNMPv3 info on this page for configuring v3 authentication and privacy for Get and Set
http://www.net-snmp.org/docs/man/snmpd.conf.html
Check out this page for SNMPv3 trap
http://www.net-snmp.org/wiki/index.php/TUT:Configuring_snmptrapd_to_receive_SNMPv3_notifications
Did you have to install Perl?
Hey Isaac,
I did not have to at the time when I wrote this article. Please let me know if you can set it up without Perl. If you need to install Perl, I suggest ActivePerl from ActiveState http://www.activestate.com/activeperl
I have followed all the instructions on this article.
When I start snmpd.exe from the command line, I get the following errors
C:\Documents and Settings\myself>snmp
C:\Documents and Settings\myself>snmpd
No log handling enabled – using stderr logging
Error opening specified endpoint “”
Server Exiting with code 1
What is wrong here? and how do I fix it ?
Hi Max, this might have to do with you using a path with space in it. Net-SNMP was originally written on *nix-based system(Unix and Linux) and was later ported to Windows. Software like this often has trouble with path with space. Try install Net-SNMP in a path without space.
Hi, I have my path set as C:\usr\bin\ but I still receive the error that Max is getting – any ideas?
Thanks
What error are you getting?
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I would like to use the latest long term supported version of net-snmp v5.7.3 on Windows; although Net-snmp.org hasn’t posted binaries for Windows systems. They only have source code. Does anyone have a link to a compiled net-snmp agent v5.7.3 for Windows?
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No log handling enabled – using stderr logging
MIB search path: c:/usr/share/snmp/mibs
Cannot find module (IP-MIB): At line 0 in (none)
Cannot find module (IF-MIB): At line 0 in (none)
Cannot find module (TCP-MIB): At line 0 in (none)
Cannot find module (UDP-MIB): At line 0 in (none)
Cannot find module (HOST-RESOURCES-MIB): At line 0 in (none)
Cannot find module (SNMPv2-MIB): At line 0 in (none)
Cannot find module (SNMPv2-SMI): At line 0 in (none)
Cannot find module (NOTIFICATION-LOG-MIB): At line 0 in (none)
Cannot find module (UCD-SNMP-MIB): At line 0 in (none)
Cannot find module (UCD-DEMO-MIB): At line 0 in (none)
Cannot find module (SNMP-TARGET-MIB): At line 0 in (none)
Cannot find module (NET-SNMP-AGENT-MIB): At line 0 in (none)
Cannot find module (DISMAN-EVENT-MIB): At line 0 in (none)
Cannot find module (SNMP-VIEW-BASED-ACM-MIB): At line 0 in (none)
Cannot find module (SNMP-COMMUNITY-MIB): At line 0 in (none)
Cannot find module (UCD-DLMOD-MIB): At line 0 in (none)
Cannot find module (SNMP-FRAMEWORK-MIB): At line 0 in (none)
Cannot find module (SNMP-MPD-MIB): At line 0 in (none)
Cannot find module (SNMP-USER-BASED-SM-MIB): At line 0 in (none)
Cannot find module (SNMP-NOTIFICATION-MIB): At line 0 in (none)
Cannot find module (SNMPv2-TM): At line 0 in (none)
Warning: no access control information configured.
(Config search path: c:/usr/etc/snmp;c:/usr/share/snmp;c:/usr/lib)
It’s unlikely this agent can serve any useful purpose in this state.
Run “snmpconf -g basic_setup” to help you configure the snmpd.conf file for this agent.
NET-SNMP version 5.6.1.1
I installed net-snmp to Windows 10/ Configuration no any problem, I overcome to Perl issues. However, last of step snmpd.exe show to me before mentioned error
Jessica Chiang can you read my comment. Please if you know any information let me know that.
Thank you!
How to process of manager installation …
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It is not working on Windows Server 2012 R2 at all. I tried to setup using the exe file, installed perl but i couldn’t get snmpconf -i to run, pls help..
I wish i can ~~~ but I no longer own a windows machine