By default, Traceflow within NSX is available only for NSX-T overlay segments.
Performing for VLAN Backed segments is not supported currently in versions 3.1.x and lower.
Error:
Traceflow request failed. The request might be cancelled because it took more time than normal. Please retry.
Traceflow request failed. The request might be cancelled because it took more time than normal. Please retry. Error Message: Traceflow intent /infrattraceflows/<xxx> realized on enforcement point /infraisitesidefault/enforcernent-points/default with error Traceflow does not support vlan switch for port: LogicalPort/<>/infra/segments/dvportgroup-<>/ports/default:<>
Additional features have been enabled on the release of NSX-T 3.2.0.1 that allow Traceflow for VLAN-Backed Networks. This is accomplished by enabling In-band Network Telemetry (INT).
Reference:
Steps to enable In-band Network Telemetry (INT) to trace VLAN backed network.
PUT https://<nsx mgr>/policy/api/v1/infra/ops-global-config
Body:
{
"display_name": "ops-global-config",
"in_band_network_telementry": {
"dscp_value": 2,
"indicator_type": "DSCP_VALUE"
},
"path": "/infra/ops-global-config",
"relative_path": "ops-global-config",
"_revision": 0
}
Click here for additional information for Troubleshooting NSX Traceflow.
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Handling Log Bundles for offline review with Broadcom support