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How to install, configure, and test SNMP in FreeBSD?

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How to install, configure, and test SNMP in FreeBSD?

Installation:

Install net-snmp using this commands:

# cd /usr/ports/net-mgmt/net-snmp
# make install clean

Configuration File:

Copy the default configuration file to the right location.

# cp /usr/local/share/snmp/snmpd.conf.example /usr/local/etc/snmpd.conf

Basic Configuration:

Open /usr/local/etc/snmpd.conf and set up the community and network access.

# ee /usr/local/etc/snmpd.conf
..............
#  AGENT BEHAVIOUR
#  Listen for connections from the local system only
agentAddress  udp:161
#  ACCESS CONTROL
rocommunity public 192.168.1.1/32    # Community string, and IP address of monitoring server
............


Firewall Configuration:

Open /etc/rc.conf in your favorite editor and make sure snmpd is enabled:

# ee /etc/rc.conf
snmpd_enable="YES"
snmpd_conffile="/usr/local/etc/snmpd.conf"

Starting SNMP:

Type the following command to start snmpd:

# /usr/local/etc/rc.d/snmpd start

Testing via snmpwalk:

# snmpwalk -v1 -c public 

Checking if SNMP is listening on port 161/UDP

# sockstat -4 -l | grep snmp
root     snmpd      87074 11 udp4   *:161                 *:*
root     snmpd      87074 12 udp4   *:33698               *:*
root     snmpd      87074 14 tcp4   *:199                 *:*

 

Enjoy and don't forget to comment.

 
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