[ovs-dev] [PATCH 3/3] ovsschema: Limits the range of the MTU.

Ben Pfaff blp at ovn.org
Tue Dec 13 01:10:03 UTC 2016


On Sun, Dec 11, 2016 at 08:48:57PM -0800, nickcooper-zhangtonghao wrote:
> According to RFC 791, every internet module must be
> able to forward a datagram of 68 octets without further
> fragmentation.  This is because an internet header may
> be up to 60 octets, and the minimum fragment is 8 octets.
> The maximum size of IP packets is 65535 bytes. The range
> of MTU values allowes for the MTU configuration parameter
> is 68 to 65535.
> 
> Signed-off-by: nickcooper-zhangtonghao <nic at opencloud.tech>

I don't think it's worthwhile to restrict the range of the requested MTU
in this way.  There just doesn't seem to be a lot of value to it.

However, the documentation is valuable, so I applied that part of the
patch to master.

Thank you!


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