About check_udp plugin

[Yu Watanabe]

Hello,

I used the check_udp service , like check_tcp, to check whether the 161 is useful or not.
Is this not the write way to use it ?

Best Regards,
Yu Watanabe

Emanuel Massano さんは書きました:
>Hi,
>
>The SNMP service only answers to well formated SNMP requests, with the 
>correct community set, so you can't check SNMP service with UDP check 
>because it doesn't send an SNMP request. You must use check_snmp.
>
>Regards,
>Emanuel Massano
>
>
>Yu Watanabe wrote:
>> Hello All,
>>
>> I would like to get an advice with check_udp plugin.
>>
>> I would like to check the snmp port (161) of the remote host.
>> Following is the command that I have executed from the command line.
>>
>> [root at GWkensyo libexec]# ./check_udp -V
>> check_udp v1729 (nagios-plugins 1.4.10)
>>
>> But the result looks not good.
>>
>> [root at GWkensyo libexec]# ./check_udp -v -H 192.168.225.85 -p 161 -s "04 06 70 75 62 6c 69 63 a1 19 02 04 40 64 18 b9 
>> 02 01 00 02 01 00 3
>> 0 0b 30 09 06 05 2b 06 01 02 01 05 00" -e ""
>> Using service UDP
>> Port: 161
>> flags: 0x2
>> Send string: 04 06 70 75 62 6c 69 63 a1 19 02 04 40 64 18 b9 02 01 00 02 01 00 30 0b 30 09 06 05 2b 06 01 02 01 05 00
>> server_expect_count: 1
>>         0:
>> CRITICAL - Socket timeout after 10 seconds
>>
>> I have tried to send get request to the remote server to fetch the data of
>> .1.3.6.1.2.1. but there wasn't any response. 
>>
>> The data was successfully fetched using the snmpwalk command. And 
>> also, I have confirmed that the port was open on the remote machine.
>>
>> [root at essen tmp]# netstat -an | grep 161
>> udp        0      0 0.0.0.0:161                 0.0.0.0:*
>> unix  3      [ ]         STREAM     CONNECTED     28103161 /var/lib/mysql/mysql.sock
>> unix  3      [ ]         STREAM     CONNECTED     28099161 /var/lib/mysql/mysql.sock
>>
>> How does everyone generally specify the arguments of the check_udp
>> to confirm the 161 port ?
>>
>> Any help will be helpful !
>>
>> Best Regards,
>> Yu Watanabe
>>
>>
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>


************************************************************
 FUJITSU SOCIAL SCIENCE LABORATORY LIMITED(FUJITSU SSL)

 System Infrastructure Development Department
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  Yu Watanabe
   
    E-Mail :　yu.watanabe at jp.fujitsu.com   
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