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Last−Time−Cleared
−−−−−−−−−−−−−−−−−−−−−−−−−−
Tue Jan 22 2002, 14:57:21
show counters <mod/port>
This command displays hardware counters for the port and will vary depending on the type of port. See the
Seeing errors on the ports section of this document for troubleshooting steps. Refer to the show counters
command for more information.
Cat4000−c> (enable) show counters 2/1
2
rxUnicastPacketCount
3
txUnicastPacketCount
4
rxMulticastPacketCount
5
txMulticastPacketCount
6
rxBroadcastPacketCount
7
txBroadcastPacketCount
8
rxByteCount
9
txByteCount
10 pkts64
11 pkts65to127
12 pkts128to255
13 pkts256to511
14 pkts512to1023
15 pkts1024to1522
16 rxNoPacketBufferCount
17 rxCRCAlignErrorPacketCount = 0
18 rxUndersizedPacketCount
19 rxOversizedPacketCount
20 rxFragmentPacketCount
21 rxJabberPacketCount
22 pauseControlFramesRx
23 pauseControlFramesTx
24 unsupportedOpcodesRx
25 txQueueNotAvailable
26 totalCollisionCount
27 lateCollisionCount
28 singleCollisionFrames
29 multipleCollisionFrames
30 excessiveCollisionFrames
31 deferredTransmissions
32 carrierSenseErrors
33 falseCarrierDuringIdle
34 symbolErrorDuringCarrier
35 sequenceErrorDuringCarrier = 0
clear counters
This command is used to reset the show port, show mac, and show counter statistics. It is useful for the
determination of errors that continue to increment or have been resolved.
Refer to the clear counters command for more information.
show cdp neighbors detail
This command shows details about remote Cisco devices using CDP. This is one quick way to get the IP
address and interface of a Cisco device on any given switchport. Refer to the show cdp neighbors detail
commands for more information.
Cat4000−c> (enable) show cdp neighbors detail
Port (Our Port): 2/1
= 6
= 6
= 447
= 16078
= 0
= 26296
= 149742
= 2908424
= 40611
= 890
= 441
= 891
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0
= 0