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GS700AT Smart Switch Software Administration Manual
7-12 Monitoring the Switch
v1.0, October 2008
The RMON Advanced Statistics screen contains the following fields:
RMON Interface Statistics
• Interface – Select the device for which statistics are displayed. The possible field values
are:
– Port – Select the specific port for which RMON statistics are displayed.
– LAG – Select the specific LAG for which RMON statistics are displayed.
• Received Bytes – Displays the number of octets received on the interface since the device
was last refreshed. This number includes bad packets and FCS octets, but excludes
framing bits.
• Broadcast Packets Received – Displays the number of good broadcast packets received
on the interface since the device was last refreshed. This number does not include
Multicast packets.
• Multicast Packets Received – Displays the number of good Multicast packets received
on the interface since the device was last refreshed.
• CRC & Align Errors – Displays the number of CRC and Align errors that have occurred
on the interface since the device was last refreshed.
• Undersize Packets – Displays the number of undersized packets (less than 64 octets)
received on the interface since the device was last refreshed.
• Oversize Packets – Displays the number of oversized packets (over 1518 octets) received
on the interface since the device was last refreshed.
• Fragments – Displays the number of fragments (packets with less than 64 octets,
excluding framing bits, but including FCS octets) received on the interface since the
device was last refreshed.
• Jabbers – Displays the total number of received packets that were longer than 1518
octets. This number excludes frame bits, but includes FCS octets that had either a bad
Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS
with a non-integral octet (Alignment Error) number. The field range to detect jabbers is
between 20 ms and 150 ms.
• Collisions – Displays the number of collisions received on the interface since the device
was last refreshed.
• Frames of 64 Bytes – Displays the number of 64-byte frames received on the interface
since the device was last refreshed.