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Date:   Thu, 22 Mar 2018 21:53:53 -0700
From:   Roopa Prabhu <>
To:     Chas Williams <>
Cc:     David Miller <>,,
        Stephen Hemminger <>
Subject: Re: [PATCH net-next] bridge: Allow max MTU when multiple VLANs present

On Thu, Mar 22, 2018 at 8:34 AM, Chas Williams <> wrote:
> If the bridge is allowing multiple VLANs, some VLANs may have
> different MTUs.  Instead of choosing the minimum MTU for the
> bridge interface, choose the maximum MTU of the bridge members.
> With this the user only needs to set a larger MTU on the member
> ports that are participating in the large MTU VLANS.
> Signed-off-by: Chas Williams <>
> ---

Acked-by: Roopa Prabhu <>

This or an equivalent fix is necessary: as stated above, today the
bridge mtu capped at min port mtu limits all
vlan devices on top of the vlan filtering bridge to min port mtu.

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