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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show controllers ethernet-controller
Examples This is an example of output from the show controllers ethernet-controller command for an interface.
Table 2-23 describes the Transmit fields, and Table 2-24 describes the Receive fields.
Switch# show controllers ethernet-controller gigabitethernet6/0/1
Transmit GigabitEthernet6/0/1 Receive
0 Bytes 0 Bytes
0 Unicast frames 0 Unicast frames
0 Multicast frames 0 Multicast frames
0 Broadcast frames 0 Broadcast frames
0 Too old frames 0 Unicast bytes
0 Deferred frames 0 Multicast bytes
0 MTU exceeded frames 0 Broadcast bytes
0 1 collision frames 0 Alignment errors
0 2 collision frames 0 FCS errors
0 3 collision frames 0 Oversize frames
0 4 collision frames 0 Undersize frames
0 5 collision frames 0 Collision fragments
0 6 collision frames
0 7 collision frames 0 Minimum size frames
0 8 collision frames 0 65 to 127 byte frames
0 9 collision frames 0 128 to 255 byte frames
0 10 collision frames 0 256 to 511 byte frames
0 11 collision frames 0 512 to 1023 byte frames
0 12 collision frames 0 1024 to 1518 byte frames
0 13 collision frames 0 Overrun frames
0 14 collision frames 0 Pause frames
0 15 collision frames 0 Symbol error frames
0 Excessive collisions
0 Late collisions 0 Invalid frames, too large
0 VLAN discard frames 0 Valid frames, too large
0 Excess defer frames 0 Invalid frames, too small
0 64 byte frames 0 Valid frames, too small
0 127 byte frames
0 255 byte frames 0 Too old frames
0 511 byte frames 0 Valid oversize frames
0 1023 byte frames 0 System FCS error frames
0 1518 byte frames 0 RxPortFifoFull drop frame
0 Too large frames
0 Good (1 coll) frames
Ta b l e 2-23 Transmit Field Descriptions
Field Description
Bytes The total number of bytes sent on an interface.
Unicast Frames The total number of frames sent to unicast addresses.
Multicast frames The total number of frames sent to multicast addresses.
Broadcast frames The total number of frames sent to broadcast addresses.
Too old frames The number of frames dropped on the egress port because the packet aged out.
Deferred frames The number of frames that are not sent after the time exceeds 2*maximum-packet time.
MTU exceeded frames The number of frames that are larger than the maximum allowed frame size.
1 collision frames The number of frames that are successfully sent on an interface after one collision occurs.
2 collision frames The number of frames that are successfully sent on an interface after two collisions occur.
3 collision frames The number of frames that are successfully sent on an interface after three collisions occur.
4 collision frames The number of frames that are successfully sent on an interface after four collisions occur.
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