[release-4.19] OCPBUGS-62649: configure-ovs: work around a Cisco switch issue #5323
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When a slave is detached from a bond (e.g. during NetworkManager reactivation) before LACP negotiation completes, some Cisco switches mishandle LACP packets with agg=0, and disable the port. To work around this, if a bond slave is UP and LACP is enabled, wait up to 5 seconds for both ends to reach the "collecting,distributing" state before reattaching the interface. If negotiation does not complete within this window, a warning is logged but configuration continues. Note: This is a switch error, and sending agg=00 is valid. This is a workaround that only hides the issue on affected hardware and may reduce system's fault tolerance. Signed-off-by: Xin Long <lucien.xin@gmail.com>
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@openshift-cherrypick-robot: Jira Issue OCPBUGS-62602 has been cloned as Jira Issue OCPBUGS-62649. Will retitle bug to link to clone. In response to this:
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@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-62649, which is invalid:
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/retest-required None of these failures appear related to the patch. |
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@openshift-cherrypick-robot: The following tests failed, say
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@cybertron: This pull request references Jira Issue OCPBUGS-62649, which is valid. The bug has been moved to the POST state. 7 validation(s) were run on this bug
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/verified by testing in Cisco environment |
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/lgtm |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: cybertron, openshift-cherrypick-robot, pablintino The full list of commands accepted by this bot can be found here. The pull request process is described here
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@openshift-cherrypick-robot: Jira Issue Verification Checks: Jira Issue OCPBUGS-62649 Jira Issue OCPBUGS-62649 has been moved to the MODIFIED state and will move to the VERIFIED state when the change is available in an accepted nightly payload. 🕓 In response to this:
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@openshift-cherrypick-robot: new pull request created: #5329 In response to this:
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Fix included in accepted release 4.19.0-0.nightly-2025-10-04-041145 |
This is an automated cherry-pick of #5321
/assign openshift-cherrypick-robot
/cherrypick release-4.18