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[Xen-users] vif front/back mtu alignment



Hi,

I have encountered an issue when using openvswitch, vxlans and xen.  The 
default openvswitch behaviour is to configure the mtu of all interfaces 
in a switch to the smallest value.  When a vxlan interface is added to a 
switch the result is that the smallest mtu is 1450 and this gets applied 
to the vif backend interface.  This change does not communicated to the 
frontend vif so in the backend domain we get kernel warnings about 
packets being received > mtu.  Should xen automatically keep the 
front/back mtu in alignment?

Thanks,
James

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