zabbix snmp trap installing problem

[sanjose]

I have problem with installing SNMP trap receiver on Zabbix version 2.0.5. For trap handling I am using default Perl script, zabbix_trap_receiver.pl. The problem is that zabbix did not displays SNMP traps. I was following this documentation https://www.zabbix.com/documentation...types/snmptrap
and do all necessary configuration by it didn’t work.

Hire is configuration of snmptrapd.conf file.

authCommunity execute public
authCommunity execute PUBLIC
traphandle default perl do /etc/zabbix/snmp-trap-handler/zabbix_trap_receiver.pl

disableAuthorization yes

The perl script is default :

#!/usr/bin/perl
#########################################
#### ABOUT ZABBIX SNMP TRAP RECEIVER ####
#########################################

# This is an embedded perl SNMP trapper receiver designed for sending data to the server.
# The receiver will pass the received SNMP traps to Zabbix server or proxy running on the
# same machine. Please configure the server/proxy accordingly.
#
# Read more about using embedded perl with Net-SNMP:
# http://net-snmp.sourceforge.net/wiki...mpd_using_perl

#################################################
#### ZABBIX SNMP TRAP RECEIVER CONFIGURATION ####
#################################################

### Option: SNMPTrapperFile
# Temporary file used for passing data to the server (or proxy). Must be the same
# as in the server (or proxy) configuration file.
#
# Mandatory: yes
# Default:
$SNMPTrapperFile = '/tmp/zabbix_traps.tmp';

### Option: DateTimeFormat
# The date time format in strftime() format. Please make sure to have a corresponding
# log time format for the SNMP trap items.
#
# Mandatory: yes
# Default:
$DateTimeFormat = '%H:%M:%S %Y/%m/%d';

###################################
#### ZABBIX SNMP TRAP RECEIVER ####
###################################

use Fcntl qw(O_WRONLY O_APPEND O_CREAT);
use POSIX qw(strftime);

sub zabbix_receiver
{
my (%pdu_info) = %{$_[0]};
my (@varbinds) = @{$_[1]};

# open the output file
unless (sysopen(OUTPUT_FILE, $SNMPTrapperFile, O_WRONLY|O_APPEND|O_CREAT, 0666))
{
print STDERR "Cannot open [$SNMPTrapperFile]: $!\n";
return NETSNMPTRAPD_HANDLER_FAIL;
}

# get the host name
my $hostname = $pdu_info{'receivedfrom'} || 'unknown';
if ($hostname ne 'unknown') {
$hostname =~ /\[(.*?)\].*/; # format: "UDP: [127.0.0.1]:41070->[127.0.0.1]"
$hostname = $1 || 'unknown';
}

# print trap header
# timestamp must be placed at the beggining of the first line (can be omitted)
# the first line must include the header "ZBXTRAP [IP/DNS address] "
# * IP/DNS address is the used to find the corresponding SNMP trap items
# * this header will be cut during processing (will not appear in the item value)
printf OUTPUT_FILE "%s ZBXTRAP %s\n", strftime($DateTimeFormat, localtime), $hostname;

# print the PDU info
print OUTPUT_FILE "PDU INFO:\n";
foreach my $key(keys(%pdu_info))
{
printf OUTPUT_FILE " %-30s %s\n", $key, $pdu_info{$key};
}

# print the variable bindings:
print OUTPUT_FILE "VARBINDS:\n";
foreach my $x (@varbinds)
{
printf OUTPUT_FILE " %-30s type=%-2d value=%s\n", $x->[0], $x->[2], $x->[1];
}

close (OUTPUT_FILE);

return NETSNMPTRAPD_HANDLER_OK;
}

NetSNMP::TrapReceiver::register("all", \&zabbix_receiver) or
die "failed to register Zabbix SNMP trap receiver\n";

print STDOUT "Loaded Zabbix SNMP trap receiver\n";

Also I have edited zabbix_server.conf file with following.

SNMPTrapperFile=/tmp/zabbix_traps.tmp
StartSNMPTrapper=1




When I am running perl script from bash it displaying following error:

./zabbix_trap_receiver.pl
Undefined subroutine &NetSNMP::TrapReceiver::register called at ./zabbix_trap_receiver.pl line 105.

I have installed following packages:
net-snmp-utils-5.5-44.el6.x86_64
net-snmp-5.5-44.el6.x86_64

What could be the problem, or how can I debug it ?

[manfred.r]

Re: zabbix snmp trap installing problem

Hi,

try to call the perl intepreter in a differnt way:

snmptrapd.conf:
authCommunity execute public
authCommunity execute PUBLIC
perl do"/etc/zabbix/snmp-trap-handler/zabbix_trap_receiver.pl"

[ProTON]

You are missing "net-snmp-perl" package in your OS.

[safpsr]

Hi,

I have the same problem. Did these solutions correct it ? I tried it without success ...

Thanks

[gotanbl]

I receive traps. But varbindings not work.
For example:
CISCO-SYSLOG-MIB::clogHistSeverity.124 type=2 value=INTEGER: 4

4 is for error

I want to see this

CISCO-SYSLOG-MIB::clogHistSeverity.124 type=2 value=INTEGER: 4 (error)

I have same configuration and problem as above. All necessary packages is installed. OS is CentOS 6.4.

Thanks for help

[Ishan]

Hello Sanjose

I am have the same issue, you found any solution for your issue?

Thanks & Regards,
Ishan

[gotanbl]

I am have the same issue, you found any solution for your issue?

Thanks & Regards,
Ishan

No, I haven't found solution!

[Piotrek]

Hi!
Have anyone found any solution for issue describe in first post?

Thanks for help

[jhgrc]

The default program is missing

use NetSNMP::TrapReceiver;

put it after "use POSIX..."