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Bug 1404596 - Explicitely state that IPv6 is a requirement for IdM
Summary: Explicitely state that IPv6 is a requirement for IdM
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: doc-Linux_Domain_Identity_Management_Guide
Version: 7.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Aneta Šteflová Petrová
QA Contact: Namita Soman
URL:
Whiteboard:
Depends On:
Blocks: 1393278
TreeView+ depends on / blocked
 
Reported: 2016-12-14 08:36 UTC by Florence Blanc-Renaud
Modified: 2021-06-10 11:44 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-03-14 09:36:04 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Florence Blanc-Renaud 2016-12-14 08:36:55 UTC 
Description of problem:
The Linux Domain Identity, Authentication, and policy guide should explicitely state that IPv6 is a requirement and should not be disabled.
This could be added in 2.1.2. System Requirements https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Linux_Domain_Identity_Authentication_and_Policy_Guide/installing-ipa.html#prerequisites

More information here on the rationale:
https://www.redhat.com/mailman/private/freeipa-users/2015-September/msg00175.html

Disabling IPv6 can cause this type of issue: 
https://bugzilla.redhat.com/show_bug.cgi?id=1398600
Comment 1 Aneta Šteflová Petrová 2016-12-14 09:34:05 UTC 
IPv6 is enabled by default in RHEL 7. Under normal circumstances, it shouldn't be necessary to list default settings in requirements.

We are dealing with IPv6 also in BZ#1393278. In this BZ, I proposed adding a troubleshooting section with advice on what to do if installation fails on a system with IPv6 disabled. What do you think - would a troubleshooting section like this be enough, instead of adding IPv6 to the list of requirements?

I can always add the requirement as you proposed - it wouldn't be a problem. I just want to make sure it really makes sense in this case.
Comment 4 Florence Blanc-Renaud 2016-12-14 13:18:27 UTC 
Hi Aneta,

In reply to your question in #c1, I find it best to add the requirement in the System requirements. I agree that IPv6 is enabled by default on RHEL but we do support IdM with non-default configurations (otherwise the admin couldn't customize his system at all).

It's always better to clearly state the expectations IMHO. Also, IPv6 is always required, not only during installation.
Comment 5 Aneta Šteflová Petrová 2016-12-14 13:28:01 UTC 
Thank you for the additional details, Flo. I'll add this to the prerequisites section as you proposed in c#0.
Comment 6 Aneta Šteflová Petrová 2017-01-02 10:05:43 UTC 
I added the following item to the System Prerequisites section:

---------
IPv6 must be enabled on the system

Installing and running an IdM server requires IPv6 to be enabled on the network. Note that IPv6 is enabled by default on Red Hat Enterprise Linux 7 systems.

If you disabled IPv6 before, re-enable it as described in How do I disable or enable the IPv6 protocol in Red Hat Enterprise Linux? in Red Hat Knowledgebase.
---------
Comment 10 Aneta Šteflová Petrová 2017-03-14 09:36:04 UTC 
The update is now available on the Customer Portal.
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