Tx Collisions 
¾
: The number of collision events seen by the MAC. This 
counter is applicable in half-duplex only. 
Tx Ucast 
¾
: The number of frames sent that have a unicast destination MAC 
address.
Tx Mcast 
¾
: The number of frames sent that have a multicast destination 
MAC address.
Tx Bcast 
¾
: The number of frames sent that have a broadcast destination 
MAC address.
Rx (G Pkts) 
¾
: The number of good frames received.
Rx Ucast 
¾
: The number of frames received that have a unicast destination 
MAC address. 
Rx Mcast 
¾
: The number of frames received that have a multicast 
destination MAC address. 
Rx Bcast 
¾
: The number of frames received that have a broadcast 
destination MAC address. 
Rx (B Bytes) 
¾
: The sum of bytes of frames received with an invalid length. 
The frames with the length more than 1522 octets are counted as 1522 
octets ones. 
Rx UnderSz 
¾
: Total frames received with a length of less than 64 octets but 
with a valid FCS. 
Rx OverSize 
¾
: Total frames received with a length of more than max size 
octets but with a valid FCS. 
Rx Jabber 
¾
: Total frames received with a length of more than max size 
octets but with an invalid FCS. 
RX64 B 
¾
: Total frames received with a length of exactly 64 octets, including 
those with errors. 
RX 65 to 127 B 
¾
: Total frames received with a length of between 65 and