errdisable 3750

[pkroetsch]

I am getting a loopback error on the errdisable. I do a int gigeth2/0/38 and do a shut and no shut but the link light still stays orange with nothing connected into it.

If I connect my laptop to that port and let it initialize the link light goes green and the orange goes away. The only issue is I don't know what is causing that port to go into errdisable or what is causing the link light to stay orange.

Any ideas?

[Reza Sharifi]

When you do "sh int gi2/0/38" does it show the port is in errordisable?

also, can you post the config for interface 2/0/38?

[Reza Sharifi]

Also, can you post any port security config,?

[pkroetsch]

interface GigabitEthernet2/0/38

switchport access vlan 95

switchport mode access

!

GigabitEthernet2/0/38 is down, line protocol is down (notconnect)

  Hardware is Gigabit Ethernet, address is b0fa.eb38.7926 (bia b0fa.eb38.7926)

  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec)

  Auto-duplex, Auto-speed, media type is 10/100/1000BaseTX

  Media-type configured as  connector

  input flow-control is off, output flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input never, output 02:02:43, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 0 bits/sec, 0 packets/sec

  5 minute output rate 0 bits/sec, 0 packets/sec

     91 packets input, 16056 bytes, 0 no buffer

     Received 91 broadcasts (14 multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

     0 watchdog, 14 multicast, 0 pause input

     0 input packets with dribble condition detected

     1264 packets output, 124522 bytes, 0 underruns

     0 output errors, 10 collisions, 5 interface resets

     0 babbles, 0 late collision, 0 deferred

     0 lost carrier, 0 no carrier, 0 PAUSE output

     0 output buffer failures, 0 output buffers swapped out

[paul driver]

Hello

Apart from the laptop connecting to this port what are you connecting when this port error disables? - Attach whatever that is and then.

sh int 2/0/38 status

sh spanning-tree summary

sh log

res

Paul

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