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Bug 1463790

Summary:	[Docs][NFV] Clarify the use of bridges vs bonded interfaces in NFV Configuration Guide
Product:	Red Hat OpenStack	Reporter:	Sandra McCann <samccann>
Component:	documentation	Assignee:	Sandra McCann <samccann>
Status:	CLOSED CURRENTRELEASE	QA Contact:	RHOS Documentation Team <rhos-docs>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	11.0 (Ocata)	CC:	srevivo
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Last Closed:	2017-07-18 15:04:50 UTC	Type:	Bug
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1463778

Description Sandra McCann 2017-06-21 18:44:22 UTC

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

Comment 2 Sandra McCann 2017-07-18 15:04:50 UTC

Content published:

https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/11/html-single/network_functions_virtualization_configuration_guide/#r-ovsdpdk-limitations