Bug 1463790 - [Docs][NFV] Clarify the use of bridges vs bonded interfaces in NFV Configuration Guide
[Docs][NFV] Clarify the use of bridges vs bonded interfaces in NFV Configurat...
Product: Red Hat OpenStack
Classification: Red Hat
Component: documentation (Show other bugs)
11.0 (Ocata)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Sandra McCann
RHOS Documentation Team
: Triaged
Depends On:
Blocks: 1463778
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Reported: 2017-06-21 14:44 EDT by Sandra McCann
Modified: 2017-07-18 11:04 EDT (History)
1 user (show)

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Last Closed: 2017-07-18 11:04:50 EDT
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Description Sandra McCann 2017-06-21 14:44:22 EDT
Description of problem:

Currently in RHOSP11 NFV Configuration Guide, there is little guidance on why some interfaces are bonded and some go to bridges:

The DPDK documentation states that in compute./yaml all node bridges should be type "ovs_user_bridge" and that "ovs_bridge" can no longer be used in the  compute.yaml file when deploying DPDK. However in /usr/share/openstack-tripleo-heat-templates/network/config/bond-with-vlans/compute-dpdk.yaml we see both types of bridges "ovs_bridge" and "ovs_user_bridge" in the same file. 

In the compute.yaml examples, non dpdk enabled user bridges are no longer being configured as bridges at all, rather they have been migrated to linux_bonds with tagged interfaces, no bridging required. However, the migration or use of linux_bonds is not mentioned in the doc outside of the configuration examples, adding further confusion

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