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OPNsense Forum

Archive => 20.7 Legacy Series => Topic started by: dcol on October 06, 2020, 05:13:24 PM

Title: Bridging different MTU networks
Post by: dcol 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.
Title: Re: Bridging different MTU networks
Post by: Patrick M. Hausen on October 06, 2020, 06:23:10 PM
Fragmentation can only occur at layer 3, e.g. routing.
Title: Re: Bridging different MTU networks
Post by: dcol on October 06, 2020, 06:50:49 PM
So does that mean I shouldn't bridge different MTU networks?
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