@silverwizard @jima AWS doesn't do jumbo frames for anything internet related either.
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[...] However, traffic is limited to a maximum MTU of 1500 in the following cases:
Traffic over an internet gateway
Traffic over an inter-region VPC peering connection
Traffic over VPN connections
Traffic between AWS Regions, unless a transit gateway is used
If packets are over 1500 bytes, they are fragmented, or they are dropped if the Don't Fragment flag is set in the IP header.