On 2017-03-31 4:28 PM, Ian Pilcher wrote:
BZ here - https://bugzilla.redhat.com/show_bug.cgi?id=1438069
Wondering, though, if this is expected behavior, and I need to do
something specific to enable larger frames on an OVS bridge with kernel
4.10.
Nope, that's a bug. Someone reworked the upstream MTU handling code, and
missed a few places that needed updates (hint: it was me). They've been
fixed in net-next, and I *thought* were cc'd to -stable, but they don't
seem to be there just yet... These are the relevant upstream commits:
commit 3331aa378e9bcbd0d16de9034b0c20f4050e26b4
Author: Jarod Wilson <[email protected]>
Date: Mon Mar 6 08:48:58 2017 -0500
team: use ETH_MAX_MTU as max mtu
commit 31c05415f5b471fd333fe42629788364faea8e0d
Author: WANG Cong <[email protected]>
Date: Thu Mar 2 12:24:36 2017 -0800
bonding: use ETH_MAX_MTU as max mtu
commit 425df17ce3a26d98f76e2b6b0af2acf4aeb0b026
Author: Jarno Rajahalme <[email protected]>
Date: Tue Feb 14 21:16:28 2017 -0800
openvswitch: Set internal device max mtu to ETH_MAX_MTU.
--
Jarod Wilson
[email protected]
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