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2019-08-20 22:06:49 +0000 commented answer Why is there traffic from and to an external IP address in my network?

Thank you SYN-bit for your comment. I investigated further and came to the conclusion that the traffic was oridinary as

2019-08-20 22:03:52 +0000 commented answer Why is there traffic from and to an external IP address in my network?

Thank you bubbasnmp, you are completely right. After some further investigations, I actually found out that it was a Swi

2019-08-17 21:05:07 +0000 commented answer Why is there traffic from and to an external IP address in my network?

Thanks a lot grahamb, I totally forgot about the multicast range. I really appreciate your quick response.

2019-08-17 21:03:16 +0000 marked best answer Why is there traffic from and to an external IP address in my network?

Hello all,

Today I wanted to capture some things in my network - but before analizing this capture I immediately saw that there is traffic from and to an external IP address. So neither source IP, nor destination IP is from my network. And non of the IPs is my personal public IP from my ISP.

Here is a picture of my capture: https://gofile.io/?c=40n4ID

It's a lot of traffic, in less than 10 minutes there were more than one million frames just from these two unknown IP addresses.

Is someone able to explain this behaviour?

I would appreciate any tipps or explanations.

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2019-08-17 20:56:41 +0000 edited question Why is there traffic from and to an external IP address in my network?

Why is there traffic from and to an external IP address in my network? Hello all, Today I wanted to capture some things

2019-08-17 20:52:39 +0000 asked a question Why is there traffic from and to an external IP address in my network?

Why is there traffic from and to an external IP address in my network? Hello all, Today I wanted to capture some things