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TINC subnet up/down loop #424

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ptorrent opened this issue Dec 21, 2022 · 2 comments
Open

TINC subnet up/down loop #424

ptorrent opened this issue Dec 21, 2022 · 2 comments
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bug Issues in which the users gave a clear indication to the causes of the unexpected behaviour needs_investigation Unexpected behaviours with uncertain causes - needs more investigation

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@ptorrent
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ptorrent commented Dec 21, 2022 •
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Hello,

This is how looks my network:

image

When NODE X is connecting to A and B all network going down/up/down/up.

We even receive subnet up from nodes that are turned off!

NODE A version = 1.1pre18
NODE B version = 1.1pre18
NODE X version = 1.1pre18
Other nodes= 1.1pre18 or 1.0.36

Don't know if the project is still alive.. but i repeat I can help about this issue by giving server/nodes access..

Thanks for your help
@gsliepen
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This is likely caused by node X not being able to handle all the subnet updates it receives in a timely, causing PING timeouts on its connections, causing things to go up and down.

Also, some nodes could have old information about subnets and their reachability. Normally all nodes are supposed to converge to the same knowledge about the state of the network, but it could be that this is not working well when X goes up and down repeatedly.

@gsliepen gsliepen added needs_investigation Unexpected behaviours with uncertain causes - needs more investigation bug Issues in which the users gave a clear indication to the causes of the unexpected behaviour labels Mar 23, 2024
@mdsmdsmds
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I can confirm... Same behavior on my setup...

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@gsliepen @ptorrent @mdsmdsmds