The SNMP numbers of the ports start at 1 and increase sequentially. For example, if you are using a
Chassis device and slot 1 contains an 8-port module, the SNMP number of the first port in slot 2 is 9.
The physical port number of the same port is 2/1.
This command shows the following information.
Export configuration and statistics TABLE 36
Parameter Definition
Octets The total number of octets of data received on the network.
This number includes octets in bad packets. This number does not include framing bits but
does include Frame Check Sequence (FCS) octets.
Drop events Indicates an overrun at the port. The port logic could not receive the traffic at full line rate
and had to drop some packets as a result.
The counter indicates the total number of events in which packets were dropped by the
RMON probe due to lack of resources. This number is not necessarily the number of packets
dropped, but is the number of times an overrun condition has been detected.
Packets The total number of packets received.
This number includes bad packets, broadcast packets, and multicast packets.
Broadcast pkts The total number of good packets received that were directed to the broadcast address.
This number does not include multicast packets.
Multicast pkts The total number of good packets received that were directed to a multicast address.
This number does not include packets directed to the broadcast address.
CRC alignment
errors
The total number of packets received that were from 64 - 1518 octets long, but had either a
bad FCS with an integral number of octets (FCS Error) or a bad FCS with a non-integral
number of octets (Alignment Error).
The packet length does not include framing bits but does include FCS octets.
Undersize pkts The total number of packets received that were less than 64 octets long and were otherwise
well formed.
This number does not include framing bits but does include FCS octets.
Fragments The total number of packets received that were less than 64 octets long and had either a bad
FCS with an integral number of octets (FCS Error) or a bad FCS with a non-integral number
of octets (Alignment Error).
It is normal for this counter to increment, since it counts both runts (which are normal
occurrences due to collisions) and noise hits.
This number does not include framing bits but does include FCS octets.
Network Monitoring
242 FastIron Ethernet Switch Administration Guide
53-1003625-01
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