Re: [ovirt-users] Users Digest, Vol 71, Issue 37
On Tue, Aug 8, 2017 at 4:50 PM, Fabrice Bacchella <
fabrice.bacchella(a)orange.fr> wrote:
Le 8 août 2017 à 14:53, Moacir Ferreira <moacirferreira(a)hotmail.com> a
écrit :
But if you receive a 9000 MTU frame on an "input" interface that results
sending it out on an interface of a 1500 MTU, then if you set DF bit the
frame will just be dropped by the router.
The frame will be dropped and the router will send an ICMP message "packet
to big" to the sender, it's network stack will received that, learn that
the PMTU is lower and try with smaller fragment, see
https://en.wikipedia.org/wiki/Path_MTU_Discovery.
If they are allowed to cross and are not dropped by a firewall in the
middle... But I believe we are a bit far from the original discussion.
Y.
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