User Manual NTU Orion 2
57
4.6.3.3 <MAC> command
The <MAC> command displays the table of the Ethernet interface statistics of the modem.
CO_PM>MAC
-- MAC Tx status ------------------- MAC Rx status ---------------------
Tx packets: 2 Rx packets: 13356
Tx good: 2 Rx good: 13356
Tx bytes: 108 Rx bytes: 899k
Tx errors: 0 Rx errors: 0
Tx deferred: 0 MAC control frames: 0
Paused: 0 Alignment error: 0
Excessive collision: 0 Rx buffer overflow: 0
No carrier: 0 CRC Error: 0
Late collision: 0 Received frame too long: 0
Tx underflow: 0 Rx Overflow: 0
Poor signal quality: 0 Rx parity error: 0
Tx parity error: 0 Rx halted: CP_PM>
Option: С – update the table continuously.
Tx/Rx packets – the number of transmitted/received Ethernet packets (including errored
packets).
Tx/Rx packets good – the number of successfully transmitted/received Ethernet packets.
Tx/Rx bytes – the number of bytes in successfully transmitted/received packets.
Tx/Rx errors – the number of transmitted/received errored Ethernet packets.
Tx deferred – the number of deferred packets due to delays in transmission.
Rx MAC control frames – the number of received MAC control frames by the Ethernet
connection.
Tx PAUSE frames – the number of transmitted PAUSE packets.
Rx alignment errors – the number of Ethernet frames with a number of bits indivisible by 8.
Excessive collision – the number of packets not transmitted due to 16 or more collisions during
transmission.
Rx buffer overflow - Ethernet Rx buffer overflow during the reception of the packet
No carrier - Ethernet carrier signal was lost during the transmission of the packet.
CRC Error – the number of Ethernet frames containing CRC errors.
Late collision – the number of late collisions.
Received frames too long – the number of received frames exceeding the maximum length.
Tx undeflow – Modem hardware was unable to send packet due to the bus overload
Rx overflow – the number of frames device lost, because it was unable to process all data
received on the Ethernet interface.
Poor signal quality – Poor signal quality in a cable.
Rx parity error – Ethernet MAC detected a parity error in the received frame
Tx parity error – Ethernet MAC detected a parity error in the transmit frame
Rx halted – Modem hardware was unable to receive packet due to the bus overload.
Note: The
<MAC> command shows statistics of packets passed through the real physical
Ethernet interface. The statistics of Ethernet packet transmitted over other network interfaces is
displayed using the
<NETSTAT> command.
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