Chapter 3
Device Management
RUGGEDCOM ROX II
User Guide
102 Viewing RMON Port Statistics
This form provides the following information:
Parameter Description
InOctets The number of octets in received good packets (Unicast+Multicast+Broadcast) and
dropped packets.
InPkts The number of received good packets (Unicast+Multicast+Broadcast) and dropped
packets.
InBcastPkts The number of good broadcast packets received.
InMcastPkts The number of good multicast packets received.
TotalInOctets The total number of octets of all received packets. This includes data octets
of rejected and local packets which are not forwarded to the switching core for
transmission. It should reflect all the data octets received on the line.
TotalInPkts The number of received packets. This includes rejected, dropped and local packets, as well
as packets which are not forwarded to the switching core for transmission. It
should reflect all packets received on the line.
OutOctets The number of octets in transmitted good packets.
OutPkts The number of transmitted good packets.
DropEvents The number of received packets that are dropped due to lack of receive buffers.
OutBcastPkts The number of transmitted broadcast packets.
OutMcastPkts The number of transmitted multicast packets. This does not include broadcast
packets.
CRCAlignErrors The number of packets received which meet all the following conditions:
. The packet data length is between 64 and 1536 octets inclusive.
. The packet has invalid CRC.
. A Collision Event has not been detected.
. A Late Collision Event has not been detected.
UndersizePkts The number of received packets which meet all the following conditions:
. The packet data length is less than 64 octets.
. A Collision Event has not been detected.
. A Late Collision Event has not been detected.
. The packet has valid CRC.
OversizePkts The number of packets received with data length greater than 1536 octets and
valid CRC.
Fragments The number of packets received which meet all the following conditions:
. The packet data length is less than 64 octets, or it is a packet without SFD and is less
than 64 octets in length.
. A Collision Event has not been detected.
. A Late Collision Event has not been detected.
. The packet has invalid CRC.
Jabbers The number of packets which meet all the following conditions:
. The packet data length is greater that 1536 octets.
. The packet has invalid CRC.
Collisions The number of received packets for which a Collision Event has been detected.
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