openstack/openstack-manuals
Code Issues Proposed changes

Merge "networking: suggest bumping path_mtu in addition to global_physnet_mtu"

Browse Source
This commit is contained in:
Jenkins 2016-04-28 04:00:33 +00:00 committed by Gerrit Code Review
commit 732a393548
1 changed files with 9 additions and 0 deletions

9
doc/networking-guide/source/adv-config-mtu.rst

@ -57,6 +57,15 @@ To enable Neutron for Jumbo frames, the following option should be set in the
[DEFAULT]
global_physnet_mtu = <maximum MTU supported by your infrastructure>
If you use the Modular Layer 2 (ml2) plugin with tunneling protocols (VXLAN,
GRE), you should set the following option in ``/etc/neutron/ml2/ml2_conf.ini``
file:
.. code-block:: ini
[ml2]
path_mtu = <same as for global_physnet_mtu above>
If you have multiple underlying networks, you may want to use separate MTU
values for each of those networks. In that case, you can set one of the
following options (currently works for ML2 plug-in only).