Bare Metal Edge with Mellanox NIC experiences BGP flapping

Products

• VMware NSX

Issue/Introduction

• NSX 3.2.x/4.x
• Bare Metal Edge with Mellanox ConnectX-4 or ConnectX-5 NICs
• BGP flapping is observed
• Data plane service on the Edge crashes and the events can be verified on /var/log/syslog on the Edge logs:

2023-08-09T02:46:02.699Z NSX 4547 - [nsx@6876 comp="nsx-edge" subcomp="node-mgmt" username="root" level="WARNING" eventFeatureName="infrastructure_service" eventType="edge_service_status_changed" eventSev="warning" eventState="On"] The service dataplane changed from STARTED to CRASHED.

• On the Edge /var/dump has a datapath core file with a name similar to core.dp-fp

Environment

VMware NSX-T Data Center 3.x
VMware NSX 4.x

Cause

This issue occurs due to a failure during packet processing by the NIC driver.

Resolution

This issue is resolved in VMware NSX 3.2.4
This issue is resolved in VMware NSX 4.1.2.2
This issue is resolved in VMware NSX 4.2.0