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RE: Snmp daemon doesn't work but loaded ...



 

> -----Original Message-----
> From: fedora-list-bounces redhat com 
> [mailto:fedora-list-bounces redhat com] On Behalf Of Manu Linux Lookit
> Sent: Saturday, April 23, 2005 4:41 PM
> To: For users of Fedora Core releases
> Subject: Snmp daemon doesn't work but loaded ...
> 
> Hi, i'd like to use and learn more about SNMP protocole.
> 
> I havegot some pbs with it under my FC3/770kernel :
> 
> Here are the results of sh commands :
> 
> [root nsl3 ~]# ps -ef | grep snm
> root      4690     1  0 20:08 ?        00:00:00 
> /usr/sbin/snmptrapd -Lsd
> -p /var/run/snmptrapd.pid
> root     23090     1  0 23:37 ?        00:00:00 
> /usr/sbin/snmpd -Lsd -Lf
> /dev/null -p /var/run/snmpd -a
> root     23104 22795  0 23:37 pts/2    00:00:00 grep snm
> [root nsl3 ~]# telnet 127.0.0.1 161
> Trying 127.0.0.1...
> telnet: connect to address 127.0.0.1: Connection refused
> telnet: Unable to connect to remote host: Connection refused
> [root nsl3 ~]# more /etc/snmp/snmpd.conf rocommunity nsl
> disk    /         10000
> [root nsl3 ~]#
> 
> 
> i don't know why i can't access on snmpd daemon to use it 
> under nagios .
> 
> Any help will be welcome.
> 
> Regards
> Emmanuel
> 
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> 

You can't telnet to an snmp port because it uses udp.  Its
connectionless so as you send a request to it (or as it sends a trap
out) it doesn't require a response.  If you send an snmpwalk to it and
it doesn't respond it could be because of network issues, a firewall, or
very commonly an invalid community string.  The default is public.  Once
you get the daemon up and running Try this command (change "public" to
your community string if you changed it:

snmpwalk -v2c -c public your.hostname.com 

That should send a bunch of stuff to std out.  Once you get that info
you can start getting information from the machines.  I too use SNMP a
lot for nagios, it works great.

	-Mike


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