sub is_router {

      my $self = shift;

      my $session = $self->{SESSION};

      my $varbind = SNMP::VarList->new( [ 'whyReload' , 0 ] );

      my $result = $session->get( $varbind );
      if ( $session->{ErrorStr} ) { return 0; };
      if ( $result =~ /winnt/i ) { return 1; };

   }