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Why --mtu-warn is 1375 default? #530

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jearton opened this issue Jun 7, 2024 · 3 comments
Closed

Why --mtu-warn is 1375 default? #530

jearton opened this issue Jun 7, 2024 · 3 comments

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@jearton
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jearton commented Jun 7, 2024

I found that even sending packets larger than 1375 was OK, just with warning logs. So should I raise the mtu warning threshold?
@wangyu-
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wangyu- commented Jun 7, 2024

udp2raw acutally doesn't know what is the exact mtu your network supports.
1375 is only an experiential value.
you can supress the warning by --mtu-warn 9999

@wangyu-
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wangyu- commented Jun 7, 2024

there is an article in the wiki on MTU:
https://github.com/wangyu-/udp2raw/wiki/about-mtu

@jearton
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jearton commented Jun 7, 2024

OK, I got it.

@jearton jearton closed this as completed Jun 7, 2024
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@wangyu- @jearton