User’s Manual of GS-5220 LCD Series
525
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).
• Undersize The total number of packets received that were less than 64 octets.
• Oversize The total number of packets received that were longer than 1518
octets.
• Frag. The number of frames whose size is less than 64 octets received with
invalid CRC.
• Jabb. The number of frames whose size is larger than 64 octets received with
invalid CRC.
• Coll. The best estimate of the total number of collisions in this Ethernet
segment.
• Utilization The best estimate of the mean physical layer network utilization on this
interface during this sampling interval, in hundredths of a percent.
Buttons
: Click to refresh the page immediately.
Auto-refresh
: Check this box to refresh the page automatically. Automatic refresh occurs every 3
seconds.
: Updates the table, starting from the first entry in the History table, i.e., the entry with the lowest History
Index and Sample Index
: Updates the table, starting with the entry after the last entry currently displayed.
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