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Windows 7: Cisco 2960 log shows some port always be up/down

01 Dec 2014   #1
networking

windows 7
 
 
Cisco 2960 log shows some port always be up/down

Our company have a core switch cisco 3750 to access 3 2960 switches. Now the 3 2960 switches’ log show some ports be up/down, anyone know why?
Note: terminal did not display off net.

2960log

2960-1#sh log
Syslog logging: enabled (0 messages dropped, 0 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)
No Active Message Discriminator.

No Inactive Message Discriminator.

Console logging: level debugging, 1162027 messages logged, xml disabled,
filtering disabled
Monitor logging: level debugging, 0 messages logged, xml disabled,
filtering disabled
Buffer logging: level debugging, 1162027 messages logged, xml disabled,
filtering disabled
Exception Logging: size (4096 bytes)
Count and timestamp logging messages: disabled
File logging: disabled
Persistent logging: disabled
Trap logging: level informational, 1162030 message lines logged

Log Buffer (4096 bytes):
nterface GigabitEthernet0/7, changed state to up
Jul 10 15:02:42.943: %LINK-3-UPDOWN: Interface GigabitEthernet0/6, changed state to up
Jul 10 15:02:43.950: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/6, changed state to up
Jul 10 15:03:21.304: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to down
Jul 10 15:03:22.302: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to down
Jul 10 15:03:24.752: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to up
Jul 10 15:03:25.759: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to up
Jul 10 15:04:54.611: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:04:56.616: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:05:09.677: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:05:11.682: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:06:54.610: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:06:56.615: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:07:15.682: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:07:17.687: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:08:18.479: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:08:20.484: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:08:48.628: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:08:50.633: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:09:54.587: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:09:56.592: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:11:54.620: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:11:56.625: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:13:27.348: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to down
Jul 10 15:13:28.346: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to down
Jul 10 15:13:30.653: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to up
Jul 10 15:13:31.659: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to up
Jul 10 15:14:06.321: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to down
Jul 10 15:14:07.319: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to down
Jul 10 15:14:09.752: %LINK-3-UPDOWN: Interface GigabitEthernet0/7, changed state to up
Jul 10 15:14:10.759: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/7, changed state to up
Jul 10 15:14:54.597: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:14:56.602: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:15:03.070: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:15:05.075: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:18:54.579: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:18:56.584: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up
Jul 10 15:19:00.090: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to down
Jul 10 15:19:02.095: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/13, changed state to up



My System SpecsSystem Spec
.
02 Dec 2014   #2
candytang

xp
 
 

Hi brother, 2960 switch access to computer, right? It must be a problem with line cable or network card, check it.
My System SpecsSystem Spec
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 Cisco 2960 log shows some port always be up/down




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