docs: add a paragraph to sample on ingress only

This commit is contained in:
Vincent Bernat
2024-08-15 19:38:57 +02:00
parent c9738b8481
commit 343db42c28

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@@ -12,6 +12,10 @@ service and accepts SNMP requests. For routers not listed below, have
a look at the [configuration
snippets](https://github.com/kentik/config-snippets/) from Kentik.
It is better to **sample on ingress only**. This requires to sample on both
external and internal interfaces, but this prevents flow to be accounted twice
when they enter and exit through external ports.
### Exporter Address
The exporter address is set from the field inside the flow message by default,