Public bug reported:
Comparing:
https://opendev.org/openstack/neutron/src/commit/5e84289f68402b401d9a35d93473d9517a43e300/devstack/lib/ovn_agent#L78
with:
https://opendev.org/openstack/neutron-lib/src/commit/37deb266394a5c633309b3ad66241bb02695bdb9/neutron_lib/constants.py#L325
And we get MTU errors when leaving default.
[ml2_type_geneve]/max_header_size has to be set to 38 to make Geneve
encapsulation work.
Devstack does the override above so the real default is not tested.
Release: Ussuri
** Affects: neutron
Importance: Undecided
Status: Confirmed
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https://bugs.launchpad.net/bugs/1868137
Title:
default geneve overhead is set not enough
Status in neutron:
Confirmed
Bug description:
Comparing:
https://opendev.org/openstack/neutron/src/commit/5e84289f68402b401d9a35d93473d9517a43e300/devstack/lib/ovn_agent#L78
with:
https://opendev.org/openstack/neutron-lib/src/commit/37deb266394a5c633309b3ad66241bb02695bdb9/neutron_lib/constants.py#L325
And we get MTU errors when leaving default.
[ml2_type_geneve]/max_header_size has to be set to 38 to make Geneve
encapsulation work.
Devstack does the override above so the real default is not tested.
Release: Ussuri
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https://bugs.launchpad.net/neutron/+bug/1868137/+subscriptions
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