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Author Topic: interface state on Router  (Read 852 times)

Offline amsa

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interface state on Router
« on: January 16, 2018, 02:02:48 PM »
Hello all,

What is the reason for change interface state?
And sometimes the router hanging and disconnect with E1 sites, then I must do reload the Router.

*Jan 11 08:28:26.815: %CONTROLLER-5-UPDOWN: Controller E1 4/0/1, changed state to down (LOS detected)

*Jan 11 08:28:28.815: %LINK-3-UPDOWN: Interface Serial4/0/1:0, changed state to down

*Jan 11 08:28:29.815: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial4/0/1:0, changed state to down

*Jan 11 08:39:22.815: %CONTROLLER-5-UPDOWN: Controller E1 4/0/1, changed state to up

*Jan 11 08:39:24.815: %LINK-3-UPDOWN: Interface Serial4/0/1:0, changed state to up

*Jan 11 08:39:25.815: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial4/0/1:0, changed state to up

*Jan 11 08:39:33.815: %CONTROLLER-5-UPDOWN: Controller E1 4/0/1, changed state to down (RAI detected)

*Jan 11 08:39:34.815: %CONTROLLER-5-UPDOWN: Controller E1 4/0/1, changed state to up

Offline MC

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Re: interface state on Router
« Reply #1 on: January 28, 2018, 09:22:00 PM »
Start with physical layer and check cable. You then want to make sure the line settings and config match on both sides. If the other side is a provider, you will need to work with them to confirm. Other final things you can try is trying different E1 port/module, or software upgrade.

Offline amsa

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Re: interface state on Router
« Reply #2 on: February 01, 2018, 06:54:06 AM »
Thanks MC

almost I did it that steps but I didn't upgrade IOS

Offline MC

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Re: interface state on Router
« Reply #3 on: February 01, 2018, 08:30:43 PM »
Glad the issue is resolved.

Offline amsa

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Re: interface state on Router
« Reply #4 on: February 05, 2018, 01:40:43 PM »
No, not solved :'( :'( :'(

 

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