2.2.6.1 Base Header Format
This Base header MUST be used when the Type of Service value in the Demultiplex header is set to 0x02 (QoS diagnostics) and the Function value is in the range 0x08 (QosCounterSnapshot) to 0x0A (QosCounterLease).
The Base header format MUST be the following.
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1 |
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2 |
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3 |
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Real_Destination_Address |
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Real_Source_Address |
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Sequence Number |
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Real_Destination_Address (6 bytes): This field specifies the intended destination's real MAC address. This field allows querying of per-network interface counters in wireless access points. For these devices, this address field MUST identify the BSSID.
Real_Source_Address (6 bytes): This field specifies the sender's real MAC address. This field is necessary because the Source Address field of the Ethernet header is translated by some network devices and thus might not survive an end-to-end transmission.
Sequence Number (2 bytes): This field specifies the sequence number that correlates a response to a specific request.
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For function value 0x08, this field MUST be nonzero.