Query by snmp

masoumeh · 03-07-2013, 01:22 AM

Hi every body

I am using Vmware Workstation and I have 2 Ubuntu Virtual Machine which I want query one of them as client by other as server.

I've installed snmpd on both of them.
how can I query client one by snmp to monitor its status?

acid_kewpie · 03-07-2013, 02:03 AM

by using an snmp client. Maybe I'm not following you.... snmpget will connect tot he server and pull back a value, if it's configured to do so. There are plenty of SNMP enabled monitoring solutions if that's what you mean. Zabbix, OpenNMS, groundwork etc.

masoumeh · 03-07-2013, 02:30 AM

thanks for reply

You know, I want to know how can I command manually to client and query it?

acid_kewpie · 03-07-2013, 02:31 AM

"man snmpget"

masoumeh · 03-07-2013, 02:42 AM

and where should I determine IP address of client for server and vice versa?

acid_kewpie · 03-07-2013, 02:47 AM

determine? You should already know it in general. "ifconfig -a" will show all active interfaces on a linux system.

kirukan · 03-07-2013, 02:53 AM

You can do the snmpwalk or snmpget vice versa..

snmpwalk -v3 -On -u <user> -l AuthPriv -a SHA -A <auth_password> -X <encryption_password> -m ALL <HOST_IP>

snmpwalk -v2c -c community_name -m ALL xx.xx.xx.xx

snmpget -v1 -Cf -c public localhost system.sysUpTime system.sysContact.0

masoumeh · 03-07-2013, 02:55 AM

thanks but I didn't mean that.

I mean this:
I want to query the snmp client, by the snmp server using snmpget. now where I should determine the client ip address for the server? is this in /etc/snmp/snmp.conf of snmp server?

masoumeh · 03-07-2013, 03:04 AM

Quote:

Originally Posted by kirukan

You can do the snmpwalk or snmpget vice versa..

snmpwalk -v3 -On -u <user> -l AuthPriv -a SHA -A <auth_password> -X <encryption_password> -m ALL <HOST_IP>

snmpwalk -v2c -c community_name -m ALL xx.xx.xx.xx

snmpget -v1 -Cf -c public localhost system.sysUpTime system.sysContact.0

thanks but by using last command I get this error:
system.sysUpTime : Unknown object Identifier (sub-id not found: (top) -> system)
system.sysUpTime.O : Unknown object Identifier (sub-id not found: (top) -> system)

kirukan · 03-07-2013, 03:54 AM

snmpget -v2c -Cf -c community_string localhost system.sysUpTime.0
Not sure which version you configured (I mean snmp)...

masoumeh · 03-07-2013, 05:13 AM

Quote:

Originally Posted by kirukan

snmpget -v2c -Cf -c community_string localhost system.sysUpTime.0
Not sure which version you configured (I mean snmp)...

thanks an ocean...
I am using version 5.4.3

sorry for silly questions but I am somehow amateur in snmp.
in /etc/snmp/snmp.conf I've configured "rocommunity public", so I typed "snmpget -v2c -Cf -c public localhost system.sysUpTime.0" , but the same error as previous.

I would be appreciate for ur help.

Habitual · 03-07-2013, 06:55 AM

sanitized working remote snmp.conf should help

Code:

syslocation  <something clever here>
syscontact me@email.com
rwuser  snmp_pass 
rouser  snmp_pass  
rocommunity  snmp_pass 123.123.171.149 
rwcommunity  snmp_pass 123.123.171.149 
com2sec paranoid  default   snmp_pass
com2sec local 127.0.0.1 private
com2sec mynetwork 10.220.34.164 snmp_pass

123.123.171.149 designators are the allowed hosts that snmp is authorized to reply to.

This should get you started querying a remote host.
Don't forget to restart snmpd on the remote host after editing.

Please let us know...

masoumeh · 03-09-2013, 03:21 AM

Quote:

Originally Posted by Habitual

sanitized working remote snmp.conf should help

Code:

syslocation  <something clever here>
syscontact me@email.com
rwuser  snmp_pass 
rouser  snmp_pass  
rocommunity  snmp_pass 123.123.171.149 
rwcommunity  snmp_pass 123.123.171.149 
com2sec paranoid  default   snmp_pass
com2sec local 127.0.0.1 private
com2sec mynetwork 10.220.34.164 snmp_pass

123.123.171.149 designators are the allowed hosts that snmp is authorized to reply to.

This should get you started querying a remote host.
Don't forget to restart snmpd on the remote host after editing.

Please let us know...

thank you 1 million Habitual. I got involved by snmp, and now my snmp server is runnig successfully

good guidance

Habitual · 03-09-2013, 08:12 AM

So glad it worked out!