3com TR User Manual

directed to a broadcast address or frames received 
with errors.

Broadcasts Received—The number of frames 
received that have a broadcast destination address. 
This number does not include frames with errors.

Octets Received—The number of octets received by 
the port, including the MAC header and CRC. Octet 
counters are accurate to the nearest 256-byte bound-
ary.

Octets Transmitted—The number of octets trans-
mitted by the port, including the MAC header and 
CRC. Octet counters are accurate to the nearest 
256-byte boundary.

Line Errors—The total number of CRC errors that 
have occurred on the port.

Frames Forwarded—The total number of frames 
received by this port and then forwarded to their des-
tination address.

Cut-thrus Received—The total number of cut-thru 
packets received on the port.

Errors—Total of both line errors (CRCs) and lost 
frames.

Lost Frames—Frame transmitted by the Switch 2000 
TR which failed to make the return trip.

Abort Frames—Frames transmitted by the Switch 
2000 TR that need to be aborted by transmitting an 
abort delimiter.

Frame Size Analysis—A series of counters that rep-
resent the composition of the traffic on the Switch 
2000 TR. The counters display the percentage of 
packets that are categorized by received length as 
represented by the following octet parameters:

■

18 to 63 octets

■

64 to 127 octets

■

128 to 255 octets

■

256 to 511 octets

■

512 to 1023 octets

■

1024 to 2047 octets

■

2048 to 4095 octets

■

Packets greater than 4095 octets