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How to set up a Net-Tracer

Requirements

In order to guarantee proper Net-Tracer operations, the required network flows depend on the configured method (see here for more details). The following picture and associated tables provide the details of these flows.

Screenshot

For ICMP method:

Source Destination IP protocol Type Code Comment
Tester host IP all Tracer target IPs ICMP 8 0 Echo Request
any Tester host IP ICMP 11 0 Time To Live Exceeded in Transit
all Tracer target IPs Tester host IP ICMP 0 0 Echo Reply

For UDP/TCP methods:

Source Destination IP protocol Ports
Tester host IP all Tracer target IPs TCP/UDP 33.434-33.535
Source Destination IP protocol Type Code Comment
all Tracer target IPs Tester host IP ICMP 3 3 Destination Unreachable - Port Unreachable
any Tester host IP ICMP 11 0 Time To Live Exceeded in Transit

For TCP/ACK method:

Source Destination IP protocol Ports
Tester host IP all Tracer target IPs TCP 33.434-33.535
Source Destination IP protocol Type Code Comment
any Tester host IP ICMP 11 0 Time To Live Exceeded in Transit
Source Destination IP protocol Comment
all Tracer target IPs Tester host IP TCP TCP RST
Method Ingress flows Egress flows
ICMP allow ICMP Echo Request allow ICMP Echo Reply
UDP not listen to 33.435 - 33.535 UDP ports range allow ICMP Destination Unreachable (port unreachable)
TCP not listen to 33.435 - 33.535 TCP ports range allow ICMP Destination Unreachable (port unreachable)

If you use FQDN (Fully Qualified Domain Name) as Net-Tracer target, the Kadiska Tester should also have a DNS server present in its TCP/IP stack configuration.

Step 1: Net-Tracer creation

First, login to the Kadiska platform and click on the “Configuration” icon:

Click on the Net-Tracers menu:

Screenshot

In this Net-Tracers menu, you can see all existing Net-Tracers. Click on "Create" to create a new Net-Tracer:

Screenshot

You can configure:

  • the name of the target (optional)
  • the description of the Net-Tracer (optional)
  • the targeted hostname (must be a domain name, an IPv4 or an IPv6 address)
  • IPv4 or IPv6 protocol used for the initial DNS resolution process (if the targeted hostname is a URL)
  • the interval (in minutes) between consecutive tests (1, 5, 10, 15, 20 or 30 minutes)
  • the method used to test the connectivity and network path to the target (please refer to this section for more information)

A Net-Tracer can only contain one target.
When the name of the target is configured, it will be displayed in related dashboards. The targeted hostname or IP address will be displayed otherwise.

Once the configuration is done, click on the "Create" button to finalize the Net-Tracer creation process. The Net-Tracer is now created but is not yet associated to any Tester.

Step 2: Net-Tracer activation

In order to associate the Net-Tracer with one or multiple Testers, click on "Assign Testers" (1). Select the Station(s) and/or the Fleet(s) you want to activate the Net-Tracer on (2). Finally, click on "Apply" to confirm your configuration.

That's it, your Net-Tracer is now active on the selected Tester(s).


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