User guide

Trunk Ether net Performance Moni to ring
Trun k Ethernet Pe r formance Monitori ng Screen
Menu Item
Description
Tx
TX byte or packet counter. This counter is incremented once for every data byte/packet of
a transmitted packet.
Rx
RX byte or packet counter. This counter is incremented once for every data byte of a
received and forwarded good packet. RX byte/packet count includes both forwarded and
dropped good packets. For mirror RX forwarded packets, if these are not good packets
they will not be counted.
RxDrop
RX drop packet count. Packet drop events could be due to lack of resource, local packet,
etc. If the mirror RX function is enable and the packets are only received by the mirror port,
these packets are also included in the mirrored ports drop packet counter. Packet lengths
less than 64 bytes are not included.
RxCRC
RX CRC error packet counter. This counter is incremented once for every received packet
with a length more than 64 bytes but with a CRC error. Oversize packets are also included
in this counter.
RxFragment
RX fragment, collision, and undersize packet count. These packet lengths are less than 64
bytes.
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