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Help:C4900M WS-X4908-10G-RJ45 interface shutdown/no shutdown need to how long to wait?

Sorry,  We encountered a problem , The C4900M  WS-X4908-10G-RJ45 , interface Te,

when we shutdown it, and wait a moment ,we no shutdown it,

it display noconnected state;now ,the port led is not trun on,

later,it display inactive state;

later,and we wait for 30 s maybe,it can up!

we had upgrade the IOS,but the problem  not to slove!

we are very anxious, please help us ,thank you!

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New Member

maybe,this test , need to 4 Minites,it can display up!

New Member

This test, 4 minites ,it can up!

Feb 28 21:13:07: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down

Feb 28 21:17:03: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

Feb 28 21:13:07: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down

Feb 28 21:17:03: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

New Member

Tested many times, need 4- 5 minites, Te Port can up again!

Feb 28 22:55:47: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down

Feb 28 23:00:58: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

BSS-DC-C4900M-2(config-if)#

Feb 28 22:48:36: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down

Feb 28 22:51:28: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

Feb 28 23:01:44: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down

Feb 28 23:08:23: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

Feb 28 22:55:47: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down
Feb 28 23:00:58: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up
BSS-DC-C4900M-2(config-if)#

last two times ,it need 3 and 7 minites!!!  We worry about it !

Feb 28 22:48:36: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down
Feb 28 22:51:28: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up


Feb 28 23:01:44: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to down
Feb 28 23:08:23: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/1, changed state to up

What's your updated IOS version?  I'd try 15.0(2)SG8 - you might be hitting this issue:

https://supportforums.cisco.com/message/3925161

New Member

My God!

Thanks!

We 'll download IOS, and test it!

New Member

We had downgrade the software version 12.2(54) SG1, and had tested it.

maybe 10-12 s.

Thank you very much,Lulian!

But we feel very sorry.

Mar  2 10:33:24: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/4, changed state to down

Mar  2 10:33:42: %LINK-3-UPDOWN: Interface TenGigabitEthernet3/4, changed state to up

As I said, I'd try 15.0(2)SG8 (released December 2013) - it's much more recent than 12.2(54)SG1 (February 2011) and it's supposed to have fixed that bug...

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