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Bug 1244864

Summary:	VXLAN should be default neutron network type
Product:	Red Hat OpenStack	Reporter:	Dan Sneddon <dsneddon>
Component:	openstack-tripleo-heat-templates	Assignee:	Mike Burns <mburns>
Status:	CLOSED ERRATA	QA Contact:	Alexander Chuzhoy <sasha>
Severity:	unspecified	Docs Contact:
Priority:	high
Version:	7.0 (Kilo)	CC:	calfonso, mburns, rhel-osp-director-maint
Target Milestone:	y1	Keywords:	Triaged, ZStream
Target Release:	7.0 (Kilo)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	python-rdomanager-oscplugin-0.0.10-4.el7ost	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	1273197 (view as bug list)		Environment:
Last Closed:	2015-10-08 12:15:31 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1273197

Description Dan Sneddon 2015-07-20 15:53:10 UTC

Description of problem:
In OSP-director, the default network type is GRE. We should change this to VXLAN for several reasons: VXLAN has better performance (20-25% better); NICs with VXLAN offload are more common; OSP 5/6 had VXLAN as a recommended tunnel type.

Version-Release number of selected component (if applicable):
puddle-2015-07-17

How reproducible:
100%

Steps to Reproduce:
1. Deploy OSP 7 without specifying a network type
2.
3.

Actual results:
GRE is the default

Expected results:
VXLAN should be the default

Additional info:
I was discussing this with Assaf Muller in the Neutron team, and Hugh Brock. We all agree that VXLAN is a more sane default.

Comment 6 Alexander Chuzhoy 2015-09-17 16:44:06 UTC

FailedQA

Environment:
openstack-tripleo-heat-templates-0.8.6-62.el7ost.noarch

grep ^tenant_network_types /etc/neutron/plugins/ml2/ml2_conf.ini
tenant_network_types = gre

Comment 7 Mike Burns 2015-09-17 18:43:50 UTC

Apparently the CLI defaults this too...

Comment 9 Alexander Chuzhoy 2015-09-18 19:27:23 UTC

Verified:


Environment:
python-rdomanager-oscplugin-0.0.10-4.el7ost.noarch

grep ^tenant_network_types /etc/neutron/plugins/ml2/ml2_conf.ini
tenant_network_types = vxlan


Also launched an instance attached to the network, created with "--provider:network_type vxlan" and verified connectivity.

Comment 11 errata-xmlrpc 2015-10-08 12:15:31 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2015:1862