
303560-A Rev 00
2-193
Sample Display - show csmacd system
CSMACD Module System Errors:
----------------------------
Memory Collision Internal Loss of
Slot Conn Circuit Errors Errors Buffer Carrier
---- ---- -------- ---------- ---------- ---------- ----------
2 1 E21 0 1 0 0
5 1 E51 0 0 0 0
5 2 E52 0 0 0 0
3 entries in table.
transmit errors [circuit
<circuit name>
]
Displays statistical information about transmission errors for all circuits or for a specific
circuit. The table includes the following information:
Slot Slot identifier; ranges vary according to router model.
Conn Connector’s instance identifier; ranges vary according to router
model and Ethernet module. For routers other than ASN, indicates
the physical connector number on the slot.
Circuit Name of the circuit associated with this line.
Late Collision Number of collisions that occur after the timeslot of the channel has
elapsed.
Excessive Collision Number of times the transmitter failed in 16 attempts to
successfully transmit a message due to repeated collisions on the
interface.
Frames Too Long Number of frames transmitted larger than 1518 octets.
Underflow Errors Number of frames in which the transmitter was unable to obtain an
entire packet from memory fast enough to keep up with the
interface.
Internal MAC Transmit Errors Number of excessive deferrals. An excessive deferral indicates that
during the previous transmission the deferral time was greater than
2.46 ms and the transmission was aborted.
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