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I have two VMs installed and I want to request a snmpwalk system from one VM to another. I have two different IPs for each VM but when I write my request snmpwalk 192.168.1.32 -v 2c -c public systemI receive a No Response from 192.168.1.32

I have my snmpd installed on 192.168.1.32.

Ping works perfectly between the two hosts.

What is the problem?

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  • Can you ping from one to the other? Ssh from one to the other? Jun 20, 2019 at 8:09
  • yes, ping works perfectly Jun 20, 2019 at 8:10
  • Is snmp on the target configured to respond with version 2c to the "public" authenticator? Jun 20, 2019 at 8:12
  • Sorry I don't know. Can you please guide me how can I do that? Thank you. Jun 20, 2019 at 8:18
  • Start by looking at the snmpd.conf on your server Jun 20, 2019 at 12:18

1 Answer 1

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First open snmpd.conf file with text editor (for ex. nano)

nano /etc/snmp/snmpd.conf

At the very beginning uncomment agentAddress udp:161,udp6:[::1]:161 and comment agentAddress udp:127.0.0.1:161 allowing the "agent" machine to be checked by external hosts

#  Listen for connections from the local system only
#agentAddress  udp:127.0.0.1:161
#  Listen for connections on all interfaces (both IPv4 *and* IPv6)
agentAddress udp:161,udp6:[::1]:161

Restart snmpd service

service snmpd restart

Try as a basic command on your manager machine:

snmpwalk xxx.xxx.x.xx -v 2c -c public system 

where xxx.xxx.x.xx - is IP of agent (target machine), 2c - is a snmp protocol version, public is a community string;

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