Bridging different MTU networks

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dcol

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Bridging different MTU networks

« on: October 06, 2020, 05:13:24 pm »

It it ok to bridge different local subnets from different switches that have different MTU's?
I assume OPNsense would handle the fragmentation internally, but maybe not.

Please advise.

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Patrick M. Hausen

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Re: Bridging different MTU networks

« Reply #1 on: October 06, 2020, 06:23:10 pm »

Fragmentation can only occur at layer 3, e.g. routing.

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Deciso DEC750
People who think they know everything are a great annoyance to those of us who do. (Isaac Asimov)

dcol

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Re: Bridging different MTU networks

« Reply #2 on: October 06, 2020, 06:50:49 pm »

So does that mean I shouldn't bridge different MTU networks?

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