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Add note on NM behavior with additional networks

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When using additional networks on a dual-stack cluster,
the same network manager connection would be enforced
to all the additional networks. This commit, informes
the users about that behavior and recommends an alternative
if different connections are desired.

Co-authored-by: Max Bridges <mbridges@redhat.com>
This commit is contained in:
Maysa Macedo
2025-02-03 11:55:23 -03:00
committed by openshift-cherrypick-robot
parent 2efdc5aba2
commit bf9183f5c7
1 changed files with 6 additions and 0 deletions
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6
modules/install-osp-deploy-dualstack.adoc
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@@ -166,3 +166,9 @@ ipv6.addr-gen-mode=0
----
+
.. Reboot the installation host.
[NOTE]
====
The `ip=dhcp,dhcp6` kernel argument, which is set on all of the nodes, results in a single Network Manager connection profile that is activated on multiple interfaces simultaneously.
Because of this behavior, any additional network has the same connection enforced with an identical UUID. If you need an interface-specific configuration, create a new connection profile for that interface so that the default connection is no longer enforced on it.
====