This is a text-only version of the following page on https://raymii.org:
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Title       :   Traceroute IPv6 to Smokeping Target config
Author      :   Remy van Elst
Date        :   05-03-2017
URL         :   https://raymii.org/s/snippets/IPv6_Traceroute_to_Smokeping_Target_Config.html
Format      :   Markdown/HTML
---



This little one-liner converts the output of traceroute for IPv6 to Smokeping
Target output. This way you can build your smokeping config faster.

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Do note you have to setup your IPv6 probe as described [here][2]. Later in this
article I'll describe the inheritance by example.

I had only setup my smokepings for IPv4. Recently we had an issue were network
config was borked and the whole IPv4 network was not announced via BGP anymore.
I was at home troubleshooting, but finding nothing since I have native IPv6 and
that part still worked. My Smokeping did show loss, and that explicitly uses
IPv4. That helped with the debugging a lot. I have a [IPv4][3] version of this
article as well.

You can see smokeping in action [here at serverius][4]. More info about
[Smokeping here on the website][5].

### Traceroute one liner

This is the command to get the Smokeping config:



   traceroute -6 -w 3 revspace.nl | grep -v "*" | sed -e 's/(//g' -e 's/)//g' | awk '{ gsub(/\./,"_",$2); gsub(/\:/,"_",$2); print "++ "$2"\nmenu = "$2" - "$3"\ntitle = "$2" - "$3"\nhost = "$3"\n"}'


The "*" are grepped out, the `()` are removed from the IP address and we also
replace `.` and `:` in the hostname, the Smokeping config doesn't allow that.

### Example

This will give you something like this (for [tweakers.net][6]:


   ++ lo0_dr11_d12_xs4all_net
   menu = lo0_dr11_d12_xs4all_net - 2001:888:1:1001::1
   title = lo0_dr11_d12_xs4all_net - 2001:888:1:1001::1
   host = 2001:888:1:1001::1

   ++ 0_ae21_xr3_3d12_xs4all_net
   menu = 0_ae21_xr3_3d12_xs4all_net - 2001:888:1:4024::1
   title = 0_ae21_xr3_3d12_xs4all_net - 2001:888:1:4024::1
   host = 2001:888:1:4024::1

   ++ 0_ge-0-2-0_xr1_sara_xs4all_net
   menu = 0_ge-0-2-0_xr1_sara_xs4all_net - 2001:888:1:4006::1
   title = 0_ge-0-2-0_xr1_sara_xs4all_net - 2001:888:1:4006::1
   host = 2001:888:1:4006::1

   ++ 10ge12-12_core1_ams1_he_net
   menu = 10ge12-12_core1_ams1_he_net - 2001:470:0:e8::1
   title = 10ge12-12_core1_ams1_he_net - 2001:470:0:e8::1
   host = 2001:470:0:e8::1

   ++ amsix_true_nl
   menu = amsix_true_nl - 2001:7f8:1::a501:5703:1
   title = amsix_true_nl - 2001:7f8:1::a501:5703:1
   host = 2001:7f8:1::a501:5703:1

   ++ 2001_990_0_1378__1a
   menu = 2001_990_0_1378__1a - 2001:990:0:1378::1a
   title = 2001_990_0_1378__1a - 2001:990:0:1378::1a
   host = 2001:990:0:1378::1a

   ++ tweakers_net
   menu = tweakers_net - 2001:9a8:0:e:1337:0:80:1
   title = tweakers_net - 2001:9a8:0:e:1337:0:80:1
   host = 2001:9a8:0:e:1337:0:80:1


This can be pasted right in to Smokeping's config.

### Probe config

On Debian, add the FPing6 probe to `/etc/smokeping/config.d/Probes`:



   *** Probes ***

   + FPing
   binary = /usr/bin/fping

   + FPing6
   binary = /usr/bin/fping6


The [documentation][2] has a bigger example.

The inherentance in the `Targets` configuration bit me a bit. If your default
probe is `FPing`, you cannot add the `probe = FPing6` to a specific check. You
need to make a seperate section. So instead of this:



   + cloudvps

   menu = cloudvps
   title = CloudVPS

   ++ rt-eu01_cloudvps_nl
   menu = rt-eu01_cloudvps_nl - 80.246.207.201
   title = rt-eu01_cloudvps_nl - 80.246.207.201
   host = 80.246.207.201

   ++ rt-eq01_cloudvps_nl
   menu = rt-eq01_cloudvps_nl - 2001:4cb8:40b:1::1d0a
   title = rt-eq01_cloudvps_nl - 2001:4cb8:40b:1::1d0a
   host = 2001:4cb8:40b:1::1d0a


You need to seperate the IPv6 hosts out to a new section:



   + cloudvpsv6

   menu = cloudvpsv6
   title = CloudVPS IPv6
   probe = FPing6

   ++ rt-eq01_cloudvps_nl
   menu = rt-eq01_cloudvps_nl - 2001:4cb8:40b:1::1d0a
   title = rt-eq01_cloudvps_nl - 2001:4cb8:40b:1::1d0a
   host = 2001:4cb8:40b:1::1d0a


### No IPv6?

If a service doesn't have IPv6 setup, it will fail:



   reddit.com: Name or service not known
   Cannot handle "host" cmdline arg `reddit.com' on position 1 (argc 4)


I use the following version of Traceroute:



   $ traceroute -V
   Modern traceroute for Linux, version 2.1.0
   Copyright (c) 2016  Dmitry Butskoy,   License: GPL v2 or any later


  [1]: https://www.digitalocean.com/?refcode=7435ae6b8212
  [2]: http://oss.oetiker.ch/smokeping/probe/FPing6.en.html
  [3]: https://raymii.org/s/snippets/Traceroute_to_Smokeping_Target_Config.html
  [4]: http://smokeping.serverius.eu/
  [5]: http://oss.oetiker.ch/smokeping/
  [6]: https://tweakers.net

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