if(not $problem_lines)
{
  $target_lines .= <<ECHO;
 
Target[$target_name]: $if_ref:$router_connect
SetEnv[$target_name]: MRTG_INT_IP="$if_ip" MRTG_INT_DESCR="$if_snmp_descr"
ECHO
 
  if ($directory_name) {
      $target_lines .= "Directory[$target_name]: $directory_name\n";
  }
 
  $target_lines .= <<ECHO;
MaxBytes[$target_name]: $if_speed
Title[$target_name]: $html_desc_prefix$html_if_title_desc -- $sysname
PageTop[$target_name]: <H1>$html_desc_prefix$router_name, served by -- $sysname</H1>
 <TABLE>
   <TR><TD>Service:</TD>    <TD>$router_name</TD><TR>
   <TR><TD>System:</TD>     <TD>$sysname in $html_syslocation</TD></TR>
   <TR><TD>Maintainer:</TD> <TD>$html_syscontact</TD></TR>
   <TR><TD>Description:</TD><TD>$html_if_description</TD></TR>
   <TR><TD>ifType:</TD>     <TD>$html_if_type_desc ($if_type_num)</TD></TR>
   <TR><TD>ifName:</TD>     <TD>$html_if_snmp_name</TD></TR>
ECHO

  $target_lines .= <<ECHO if defined $if_port_name;
   <TR><TD>Port Name:</TD>  <TD>$if_port_name</TD></TR>
ECHO

  $target_lines .= <<ECHO;
   <TR><TD>Max Speed:</TD>  <TD>$if_speed_str</TD></TR>
ECHO

  $target_lines .= <<ECHO if $if_ip;
   <TR><TD>Ip:</TD>         <TD>$if_ip ($if_dns_name)</TD></TR>
ECHO

  $target_lines .= <<ECHO;
 </TABLE>
ECHO
} else {
  $head_lines="";
  $problem_lines="";
  $target_lines="";
  $separator_lines="";
}