Uplink port changes to orange after 12-36 hours switch stops responding

Unanswered Question
Dec 13th, 2007

Uplink port changes to orange after 12-36 hours switch stops responding

If I unplug the cable from the uplink port and plug it back it, the switch starts responding again.

What could be causing this?

I have this problem too.
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mheusing Thu, 12/13/2007 - 10:27

Hi,

There are some features and bugs, which could cause this. Can you provide the respective switch port configurations?

Regards, Martin

abefroman99 Thu, 12/13/2007 - 10:34

Here they are:

The log on the switch in cabinet #1 is saying:

8w2d: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down

8w2d: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to down

8w2d: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up

8w2d: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up

Log on the switch in cabinet #2 says something similar.

1d11h: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to down

1d11h: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to down

1d11h: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to up

1d11h: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up

Both ports are set at 1000MBPS full duplex

cabinet #1

GigabitEthernet0/1 is up, line protocol is up (connected)

Hardware is Gigabit Ethernet, address is 0012.43a2.1719 (bia 0012.43a2.1719)

MTU 1500 bytes, BW 1000000 Kbit, DLY 1000 usec,

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

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 1000Mb/s, media type is RJ45

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

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

Last input 00:00:19, output 00:00:01, 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 2928000 bits/sec, 354 packets/sec

5 minute output rate 219000 bits/sec, 247 packets/sec

1837014603 packets input, 4093253980 bytes, 0 no buffer

Received 4121860 broadcasts (0 multicast)

0 runts, 0 giants, 0 throttles

9228 input errors, 9210 CRC, 0 frame, 0 overrun, 20795 ignored

0 watchdog, 269265 multicast, 0 pause input

0 input packets with dribble condition detected

1565825770 packets output, 1450541785 bytes, 0 underruns

0 output errors, 0 collisions, 2 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

cabinet #2

GigabitEthernet0/2 is up, line protocol is up (connected)

Hardware is Gigabit Ethernet, address is 0015.63bb.6d1a (bia 0015.63bb.6d1a)

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)

Full-duplex, 1000Mb/s, media type is RJ45

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

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

Last input 00:00:00, output 00:00:06, 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 245000 bits/sec, 281 packets/sec

5 minute output rate 3324000 bits/sec, 398 packets/sec

21675498 packets input, 23077065 bytes, 0 no buffer

Received 655386 broadcasts (0 multicast)

0 runts, 6 giants, 0 throttles

8391 input errors, 8385 CRC, 0 frame, 0 overrun, 0 ignored

0 watchdog, 394750 multicast, 0 pause input

0 input packets with dribble condition detected

28663675 packets output, 2594052940 bytes, 0 underruns

0 output errors, 0 collisions, 2 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

mheusing Thu, 12/13/2007 - 11:02

Hi,

The information presented does not allow to finally conclude a certain reason. Could you provide the interface configurations?

Have you checked cabling as well?

Regards, Martin

abefroman99 Thu, 12/13/2007 - 11:10

The information presented does not allow to finally conclude a certain reason. Could you provide the interface configurations?

>>What command do I type to get the output you are looking for?

Have you checked cabling as well?

>>Yes, I even tried a new cable.

mheusing Thu, 12/13/2007 - 12:06

Hi,

"show run interface GigabitEthernet0/1" with the proper interface numbers.

abefroman99 Thu, 12/13/2007 - 12:15

Thanks!

On the first switch its:

show run interface GigabitEthernet0/1

Building configuration...

Current configuration : 49 bytes

!

interface GigabitEthernet0/1

duplex full

end

on the second switch its:

show run interface GigabitEthernet0/2

Building configuration...

Current configuration : 36 bytes

!

interface GigabitEthernet0/2

end

Are they suppose to be the same bytes?

mheusing Thu, 12/13/2007 - 12:23

Hi,

No, the number of bytes is just indicating how much data is used for storing this particular part of the configuration.

As the interfaces are in default configuration, I cannot see any reason for the observed behaviour.

Sorry not to be more helpful.

Regards, Martin

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