PRI flapping

Unanswered Question
Apr 29th, 2009

I am getting the following in my logs any ideas as to what could be causing this?

Apr 29 11:57:02.238 EDT: %CONTROLLER-5-UPDOWN: Controller T1 3/0, changed state to down (RAI detected)

Apr 29 11:57:02.242 EDT: %ISDN-6-LAYER2DOWN: Layer 2 for Interface Se3/0:23, TEI 0 changed to down

Apr 29 11:57:04.238 EDT: %LINK-3-UPDOWN: Interface Serial3/0:23, changed state to down

Apr 29 11:57:04.238 EDT: %CONTROLLER-5-UPDOWN: Controller T1 3/0, changed state to up

Apr 29 11:57:04.342 EDT: %ISDN-6-LAYER2UP: Layer 2 for Interface Se3/0:23, TEI 0 changed to up

Apr 29 11:57:06.242 EDT: %LINK-3-UPDOWN: Interface Serial3/0:23, changed state to up

Mike

I have this problem too.
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Giuseppe Larosa Wed, 04/29/2009 - 11:13

Hello Mike,

there was a problem on the T1 line with alarm RAI = Remote Alarm Indicator detected then the alarm was withdrawn and the controller and line came up again.

If this has happened many times you should call the ISDN provider and ask them to verify the line.

Hope to help

Giuseppe

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