Public bug reported:
The plugin actually supports 32 bit counter as well as 64 bit counter.
However, if the snmp server you are connecting to does not support 64
bit byte counters, snmp__if fails.
When I tried to the snmp server which supports only 32 bit counter, the plugin
returned as follows:
#munin-run snmp_hostname_if_1
recv.value noSuchObject
send.value noSuchObject
Here is an example of problems I found in the code.
# from line 244
if (defined ($response = $session-get_single($ifEntryIn64Octets) ||
$session-get_single($ifEntryInOctets))) {
print recv.value , $response, \n;
}
In these lines, $session-get_single($ifEntryIn64Octets is supposed to
return undefined value if the server doesn't support 64 bit counter.
However, it actually returns noSuchObject.
So, these lines should be fixed like this:
if (defined($response = $session-get_single($ifEntryIn64Octets))){
if ($response eq 'noSuchObject'){
# 64 bit counter is not supported
$response = $session-get_single($ifEntryInOctets);
}
} else {
# No response
$response = 'U';
}
print recv.value , $response, \n;
# The information about my environment
Description:Ubuntu 10.04.3 LTS
Release:10.04
munin-node:
Installed: 1.4.4-1ubuntu1
Candidate: 1.4.4-1ubuntu1
Version table:
*** 1.4.4-1ubuntu1 0
** Affects: munin (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/851625
Title:
snmp__if plugin does not work
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