Net::SNMP session creating problem

[Geetha B]

Hi ,

I'm using NET::SNMP perl package to send do SNMP operations.
This requires establishing snmp session.
upon calling create session , I'm getting error "ERROR: Unknown error
creating socket."

The code which gives the above error is given below.
***************************************************************

 # /usr//bin/perl

 # snmp.pl  to test snmp functions

  use strict;
  use vars qw($session $error $response);

  use Net::SNMP;

  ($session, $error) = Net::SNMP->session(
     -hostname  => shift || 'localhost',
     -community => shift || 'public',
     -port      => shift || 161
  );

  if (!defined($session)) {
     printf("ERROR: %s.\n", $error);
     exit 1;
  }
*************************************END
******************************************

I execute the program as :
perl snmp.pl 192.168.20.158 public
output of the program:
ERROR: Unknown error creating socket.
************************************************************************************

As part of debugging this, I read that NET::SNMP  package requires
Socket6 & IO::Socket::INET6 packages . I installed them, but problem is
still persisting
As regarding system configuration , it is a linux OS ,localhost is
enabled through httpd server.
On the command prompt "snmpwalk -v2c -c public localhost system" gives
the output of snmpwalk

Can someone help with this session creating problem. I 'm  debugging
this problem from past 3 days, but ...

Thanks,
Geetha