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connectlife
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Strange traffic from our subnet BGP

Mon Dec 20, 2021 10:21 pm

Hi everyone, I have a strange problem with BGP COGENT

I activated the BGP session in our border router and announced our subnet / 24. There is still no server with one of the configured IPs, not even the border router reports one. The problem is that I see traffic on the peer port. Doing an analysis with / tools / torch I see traffic that has our IPs as source address and a series of addresses unknown to me on the dest address .. I enclose a screen (154.60.195.0/24 is our announced subnet)

Image

I state that the border router has firewall rules that blocks EVERYTHING and only allows BGP traffic from the Cogent peer address ...

Thank you all

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