Bug 1898910 - RFE: Support for configuring flow-control (pause parameters) on interfaces.
Summary: RFE: Support for configuring flow-control (pause parameters) on interfaces.
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: nmstate
Version: 8.3
Hardware: All
OS: All
Target Milestone: rc
: 8.5
Assignee: Gris Ge
QA Contact: Mingyu Shi
Depends On: 1899372 1899373 1959261
Blocks: 1935910
TreeView+ depends on / blocked
Reported: 2020-11-18 10:10 UTC by Vishal Deep Ajmera
Modified: 2021-11-09 20:15 UTC (History)
6 users (show)

Fixed In Version: nmstate-1.1.0-0.1.el8
Doc Type: No Doc Update
Doc Text:
Clone Of:
Last Closed: 2021-11-09 17:42:57 UTC
Type: Bug
Target Upstream Version:

Attachments (Terms of Use)
verified.log (39.41 KB, text/plain)
2021-06-06 15:55 UTC, Mingyu Shi
no flags Details

System ID Private Priority Status Summary Last Updated
Github nmstate nmstate pull 1592 0 None open ethtool: Introduce pause support 2021-05-18 23:32:40 UTC
Red Hat Product Errata RHBA-2021:4157 0 None None None 2021-11-09 17:43:13 UTC

Description Vishal Deep Ajmera 2020-11-18 10:10:08 UTC
Description of problem:
Currently nmstate does not support configuring 'ethtool -A' or pause settings on an interface. It instead rely on auto-negotiation to take care of that. However optical links/transceivers does not support auto-negotiation.

Support is needed to configure pause settings on interfaces via nmstate.

Version-Release number of selected component (if applicable):
New Feature request

How reproducible:
New Feature request.

Steps to Reproduce:

Actual results:

Expected results:

Additional info:

Comment 1 Gris Ge 2020-11-19 02:23:26 UTC
NetworkManager feature request created at bug 1899372 for applying the setting.
Nispor feature request created at bug 1899373 for querying from kernel.

Both of them are targeting RHEL 8.5 and pending approval.

Comment 3 Gris Ge 2021-03-04 13:50:49 UTC
Hi Vishal Deep Ajmera,

Any more detail on how you use nmstate in your environment?
So that our QE could mimic your use case in our tests.

Comment 8 Gris Ge 2021-05-18 23:32:41 UTC
Upstream patch under review:


Comment 9 Gris Ge 2021-05-25 07:59:25 UTC
Upstream merged.

Comment 13 Mingyu Shi 2021-06-06 15:55:37 UTC
Created attachment 1789125 [details]

Comment 14 Mingyu Shi 2021-06-06 15:59:19 UTC
Verified with versions:

Please check the attachment `verified.log` for details:
1. nmstate reports the correct pause state(ethtool -a)
2. Given a property, if ethtool can change, nmstate can change too.

Comment 16 errata-xmlrpc 2021-11-09 17:42:57 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 (nmstate bug fix and enhancement update), and where to find the updated
files, follow the link below.

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


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