3com WX4400 3CRWX440095A Manuale Utente

packets

Rx Unicast

Number of unicast packets received. 

This number does not include packets that 
contain errors.

Rx 
NonUnicast

Number of broadcast and multicast packets 
received.

This number does not include packets that 
contain errors.

Tx Unicast

Number of unicast packets transmitted.

This number does not include packets that 
contain errors.

Tx 
NonUnicast

Number of broadcast and multicast packets 
transmitted.

This number does not include packets that 
contain errors.

receive-errors

Rx Crc

Number of frames received by the port that had 
the correct length but contained an invalid 
frame check sequence (FCS) value. This statistic 
includes frames with misalignment errors. 

Rx Error

Total number of frames received in which the 
Physical layer (PHY) detected an error.

Rx Short

Number of frames received by the port that 
were fewer than 64 bytes long.

Rx Overrun

Number of frames received by the port that 
were valid but were longer than 1518 bytes. 
This statistic does not include jumbo packets 
with valid CRCs.

transmit-errors

Tx Crc

Number of frames transmitted by the port that 
had the correct length but contained an invalid 
FCS value.

Tx Short

Number of frames transmitted by the port that 
were fewer than 64 bytes long.

Tx Fragment

Total number of frames transmitted that were 
less than 64 octets long and had invalid CRCs.

Tx Abort

Total number of frames that had a link pointer 
parity error.

Table 16   Output for monitor port counters (continued)