ping with source interface about network_exporter HOT 5 CLOSED

Sorry but not as of right now, you can still achieve this by setting the default routing interface in you OS.
Check the netstat -rn and route commands.

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It does not work for my use cases but thanks for your answer.

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No problem, just for curiosity could you give a bit more of details about your use case

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I have several virtual routers in a linux box. ping destinations are not reachable via main table.

I might also be needed to monitor linux namespaces but I'm not sure about that.

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another use case - is if you want to run a check via a specific line of your backbone where you have ECMP
For example:

exporterA - router1 -- 2+ lines with ECMP -- router2 - target

So you can advertise specific /32 via line A, but you need to ensure that path back will also be chosen via the same line A
so you can take the exporter's source IP and advertise it only via lineA. All fine, but if you want to check multiple lines, you'll need to make sure that the exporter is probing a specific target with specific source IP.

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