Chapter 4 Monitoring
Check the Port Statistics
4-22
User Guide for the Catalyst Express 500 Switches
OL-8122-01
Table 4-8 Receive Detail Tab Descriptions
Port The number of the port, including the port type (such as Fa for Fast Ethernet and
Gi for Gigabit Ethernet) and the port number.
Unicast packets The total number of well-formed unicast packets received by a port. It excludes
packets received with errors, with multicast or broadcast destination addresses,
or undersize packets, discarded packets, or those without a destination.
Multicast packets The total number of well-formed multicast packets received by a port. It excludes
packets received with errors, with unicast or broadcast destination addresses,
with oversized or undersize packets, discarded packets, or those without a
destination.
Broadcast packets The total number of well-formed broadcast packets received by a port. It
excludes packets received with errors, with unicast or multicast destination
addresses, or with oversized or undersize packets, discarded packets, or those
without a destination.
FCS error packets The total number of packets received with FCS errors. It excludes undersized
packets with FCS errors.
Alignment errors
packets
The total number of packets received with alignment errors. It includes all the
packets received with both an FCS error and a nonintegral number of bytes.
Oversize packets The total number of received packets with more than 1518 bytes that had both
good and bad FCS values.
Undersize packets The total number of received packets that were smaller than 64 octets long and
were otherwise well-formed.
Collision fragments The total number of frames smaller than 64 bytes that have an integral number of
bytes and bad FCS values.
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