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List:       mrtg
Subject:    [mrtg] MRTG Problem with Target interface by type
From:       Alberto Giampiccolo <maxjampy () gmail ! com>
Date:       2018-05-01 8:04:28
Message-ID: 8594178b-4a94-031d-1ccb-bda2b9c1a71b () gmail ! com
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Hi all,
I have been using MRTG for several years and it is a useful and powerful 
tool.
I use it to monitor my TP-link adsl router, and when i use in the 
configuration the Inteface number everything work properly:

Target[192.168.1.1]: 19:public@192.168.1.1

192.168.1.1 is the ip address of my router and 19 is the interface 
number for the ppp connection.

But for various reasons I can lose the connection and when the router 
reconnects it changes the interface number. To solve this problem I 
changed the configuration using the Target by Type:

Target[192.168.1.1]: %23:public@192.168.1.1

192.168.1.1 is the ip address of my router and %23 is the interface type 
number.

With this configuration the graphics are generated and everything works 
but I have the following error when I start mrtg:

Use of uninitialized value $tempv in concatenation (.) or string at 
c:/mrtg-2.17.4/bin\..\lib\mrtg2\SNMP_util.pm at line 755

How can i solve the error?



---
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[Attachment #5 (text/html)]

<html>
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    <meta http-equiv="content-type" content="text/html; charset=iso-8859-15">
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  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hi all,<br class="Apple-interchange-newline">
      <span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: \
16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">I have been using MRTG for several years and it is a useful \
and powerful tool. </span><br  class="Apple-interchange-newline">
      <span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: \
16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">I use it to monitor my TP-link adsl router, and when i use \
in the configuration the Inteface number everything work properly:</span></p>  \
<p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: \
16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">Target[192.168.1.1]: <a class="moz-txt-link-abbreviated" \
href="mailto:19:public@192.168.1.1">19:public@192.168.1.1</a></span></p>  <p><span \
style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: 16px; \
font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">192.168.1.1 is the ip address of my router and 19 is the \
interface number for the ppp connection.</span></p>  <p><span style="color: rgb(33, \
33, 33); font-family: arial, sans-serif; font-size: 16px; font-style: normal; \
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; \
text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;"> </span></p>
    <p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; \
font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;">But for various reasons I can lose the \
connection and when the router reconnects it changes the interface number. To solve \
this problem I changed the configuration using the Target by Type:</span></p>  \
<p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: \
16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">Target[192.168.1.1]: %23:public@192.168.1.1 </span></p>
    <p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; \
font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;"><span style="color: rgb(33, 33, 33); \
font-family: arial, sans-serif; font-size: 16px; font-style: normal; \
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; \
text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">192.168.1.1 is the ip address of my router and %23 is the \
interface type number.</span></span></p>  <p><span style="color: rgb(33, 33, 33); \
font-family: arial, sans-serif; font-size: 16px; font-style: normal; \
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; \
text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;"><span style="color: rgb(33, 33, 33); font-family: arial, \
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;">With this configuration the graphics are \
generated and everything works but I have the following error when I start \
mrtg:</span></span></p>  <p><span style="color: rgb(33, 33, 33); font-family: arial, \
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;"><span style="color: rgb(33, 33, 33); \
font-family: arial, sans-serif; font-size: 16px; font-style: normal; \
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; \
text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">Use of uninitialized value $tempv in concatenation (.) or \
string at c:/mrtg-2.17.4/bin\..\lib\mrtg2\SNMP_util.pm at line 755</span></span></p>  \
<p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; font-size: \
16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; \
font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: \
0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;"><span style="color: rgb(33, 33, 33); font-family: arial, \
sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;"> </span></span></p>
    <p><span style="color: rgb(33, 33, 33); font-family: arial, sans-serif; \
font-size: 16px; font-style: normal; font-variant-ligatures: normal; \
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; \
text-align: left; text-indent: 0px; text-transform: none; white-space: pre-wrap; \
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: \
rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; \
display: inline !important; float: none;"><span style="color: rgb(33, 33, 33); \
font-family: arial, sans-serif; font-size: 16px; font-style: normal; \
font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; \
text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); \
text-decoration-style: initial; text-decoration-color: initial; display: inline \
!important; float: none;">How can i solve the error? </span></span></p>
  <div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br /> <table style="border-top: 1px \
solid #D3D4DE;">  <tr>
      <td style="width: 55px; padding-top: 18px;"><a \
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" \
target="_blank"><img \
src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif" \
alt="" width="46" height="29" style="width: 46px; height: 29px;" /></a></td>  <td \
style="width: 470px; padding-top: 17px; color: #41424e; font-size: 13px; font-family: \
Arial, Helvetica, sans-serif; line-height: 18px;">Mail priva di virus. <a \
href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" \
target="_blank" style="color: #4453ea;">www.avast.com</a> 		</td>  </tr>
</table>
<a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"> \
</a></div></body> </html>



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