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NE40E V800R010C00 Configuration Guide - System Monitor 01

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TWAMP Light Precautions

TWAMP Light Precautions


Preventive Measures


If the loop breaking function is enabled, the reserved Z field in packets needs to be changed. In case of interconnection with other vendors, check whether the vendors are using or have modified the reserved Z field.


test-session session-id local-ip local-ip-address remote-ip remote-ip-address local-port port remote-port port [ vpn-instance vpn-name ] [ anti-loop-on ]

In case of interconnection with devices from other vendors, use commands to prevent loop breaking.

When the loop breaking function is enabled, the involved device may fail to be interconnected with devices from vendors.

When the state machine where the TWAMP Sender session resides becomes faulty, proactive sessions can be measured after new boards are selected, while on-demand sessions can be measured only after reconfiguration.


On-demand sessions can be measured only after reconfiguration.

During DSCP configuration, priority mapping can be performed only based on the default traffic classification policy template.


TWAMP does not support traffic entering queues based on the traffic policy configured on the interface.

Updated: 2018-07-12

Document ID: EDOC1100028538

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