Appendix C. List of Objects Eligible for RMON Alarms
ROS® v3.11User Guide 120 RMC30
Appendix C. List of Objects Eligible for RMON
Alarms
The following table lists ROS® database objects which are eligible for RMON alarms:
dot1dBasePortMtuExceededDiscards The number of frames discarded by this port due to an excessive
size.
dot1dTpPortInFrames The number of frames that have been received by this port from its
segment.
dot1dTpPortOutFrames The number of frames that have been transmitted by this port to its
segment.
dot1qVlanNumDeletes The number of times a VLAN entry has been deleted from the
dot1qVlanCurrentTable (for any reason). If an entry is deleted, then
inserted, and then deleted, this counter will be incremented by 2.
etherStatsBroadcastPkts The number of good Broadcast packets received.
etherStatsCollisions The best estimate of the total number of collisions on this Ethernet
segment.
etherStatsCRCAlignErrors The number of packets received which meet all the following
conditions:1. Packet data length is between 64 and 1536 bytes
inclusive.2. Packet has invalid CRC.3. Collision Event has not been
detected.4. Late Collision Event has not been detected.
etherStatsDropEvents The number of received packets that are dropped due to lack of
receive buffers.
etherStatsFragments The number of packets received which meet all the following
conditions:1. Packet data length is less than 642. Collision Event
has not been detected.3. Late Collision Event has not been
detected.4. CRC invalid.
etherStatsJabbers The total number of packets received that were longer than 1518
bytes and had either a bad Frame Check Sequence or Alignment
Error.
etherStatsMulticastPkts The number of good Multicast packets received.
etherStatsOctets The number of bytes in received good packets (Unicast+Multicast
+Broadcast) and dropped packets.
etherStatsOversizePkts The number of packets received with data length greater than 1536
bytes and valid CRC.
etherStatsPkts The number of received good packets (Unicast+Multicast
+Broadcast) and dropped packets
etherStatsPkts1024to1518Octets The total number of received packets that were between 1024 and
1518 bytes long.
etherStatsPkts128to255Octets The total number of received packets that were between 128 and
255 bytes long.
etherStatsPkts256to511Octets The total number of received packets that were between 256 and
511 bytes long.
etherStatsPkts512to1023Octets The total number of received packets that were between 512 and
1023 bytes long.
etherStatsPkts64Octets The total number of received packets that were 64 bytes long.
etherStatsPkts65to127Octets The total number of received packets that were between 65 and 127
bytes long.
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