Cisco Catalyst 4000 series Hardware Troubleshoot page 26

3/9 none
Port Security Violation Shutdown−Time Age−Time Max−Addr Trap
−−−−− −−−−−−−− −−−−−−−−− −−−−−−−−−−−−− −−−−−−−− −−−−−−−− −−−−−−−− −−−−−−−
3/9 disabled
Port Num−Addr Secure−Src−Addr
−−−−− −−−−−−−− −−−−−−−−−−−−−−−−− −−−−−−−− −−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−
3/9
Port Send FlowControl
admin
−−−−− −−−−−−−− −−−−−−−−
3/9 on
Port Status
−−−−− −−−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−− −−−−−
3/9 connected
Port Align−Err
−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−
3/9
Port Single−Col Multi−Coll Late−Coll
−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−− −−−−−−−−− −−−−−−−−−
3/9
Last−Time−Cleared
−−−−−−−−−−−−−−−−−−−−−−−−−−
Tue Jan 22 2002, 14:57:21
show mac <mod/port>
This command displays the MAC counters, and is useful in the determination of whether counters are
incrementing as expected. This command shows the total unicast, multicast, and broadcast frames received on
a port. The In−lost counter on the Catalyst 4000 reflects the sum of all error packets received on the port. This
is different then the behavior of the In−Lost counter on the Catalyst 5000 switches; which reflects the sum of
all receive buffer failures. The out−Lost counter on both the Catalyst 4000 and 5000, reflect outgoing frames
that were lost before forwarded due to insufficient buffer space. This is commonly caused if you
oversubscribe the interface.
See the Seeing errors on the ports section of this document for troubleshooting steps. Refer to the show mac
command for more information.
Cat4000−c> (enable) show mac 2/1
Port Rcv−Unicast
−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−−
2/1
Port Xmit−Unicast
−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−−
2/1
Port Rcv−Octet
−−−−−−−− −−−−−−−−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−−
2/1
MAC Dely−Exced MTU−Exced
−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−− −−−−−−−−−−
2/1
none
shutdown
0 −
Receive FlowControl
oper admin
−−−−−−−− −−−−−−−−
disagree desired
Channel
Mode
auto silent
FCS−Err Xmit−Err
− 0
0 0
Rcv−Multicast
6
Xmit−Multicast
6
Xmit−Octet
149408
In−Discard Lrn−Discrd In−Lost
0 0
− − −
0 0
Age−Left Last−Src−Addr
−
RxPause TxPause Unsupported
oper
−−−−−−− −−−−−−− −−−−−−−−−−−
off 0
Admin Ch
Group Id
40 0
Rcv−Err UnderSize
0 0
Excess−Col Carri−Sen Runts
0 0
Rcv−Broadcast
446
Xmit−Broadcast
16041
2901773
0 0
− −
IfIndex
1 disabled 64
Shutdown/Time−Left
− −
opcodes
0 0
0
Giants
0 0
0
26236
Out−Lost
0 0
−
0