Turn on SNMP in Asuswrt-Merlin

Asus routers like the RT-N66U have support for SNMP in the latest firmware. Here is how to enable and test it (here using the awesome Asuswrt-merlin alternative firmware ).

Go To Administration and click on SNMP. Enable SNMP, enter a system name, system location, SNMP Get Community (just any text, this acts like a password). Click on Apply to activate the changes.

asus-snmp-settings

To test if SNMP is working you can use the snmpwalk command. If your router IP address is 192.168.1.1 and your SNMP Get Community string is ‘public’, run

snmpwalk -Os -c public -v2c 192.168.1.1 iso.3.6.1.2.1.1.1

The output should look like “iso.3.6.1.2.1.1.1.0 = STRING: “Linux RT-N66U 2.6.22.19 #1 Thu Nov 20 13:57:15 EST 2014 mips” if SNMP is working. If it is not working you will receive a message like “Timeout: No Response from 192.168.1.1”.

To get more data from SNMP run ‘snmpwalk -Os -c public -v2c 192.168.1.1’

Turn on SNMP in Asuswrt-Merlin
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