Chapter
3: Web Management
Security - Switch - RMON - Statistics
PoE Switch User Manual | 257
CRC Errors
The total number of packets received that had a length (excluding framing bits, but
including FCS octets) of between 64 and 1518 octets, inclusive, but had either a bad
Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS
with a non-integral number of octets (Alignment Error).
Under-size
The total number of packets received that were less than 64 octets.
Over-size
The total number of packets received that were longer than 1518 octets.
Frag.
The number of frames which size is less than 64 octets received with invalid CRC.
Jabb.
The number of frames which size is larger than 64 octets received with invalid CRC.
Coll.
The best estimate of the total number of collisions on this Ethernet segment.
64
The total number of packets (including bad packets) received that were 64 octets in length.
65~127
The total number of packets (including bad packets) received that were between 65 to 127
octets in length.
128~255
The total number of packets (including bad packets) received that were between 128 to
255 octets in length.
256~511
The total number of packets (including bad packets) received that were between 256 to 511
octets in length.
512~1023
The total number of packets (including bad packets) received that were between 512 to
1023 octets in length.
1024~1588
The total number of packets (including bad packets) received that were between 1024 to
1588 octets in length.