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Adam D

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Cisco 1720/21 - WIC Problems?

Hello,

  I have a Cisco 1720 router that is acting a bit flaky.  If I lose power the router boots back up, but the serial interface does not come back up on its own.

  I need to shutdown that interface for about 30 seconds then restart the interface.

  After another 15 seconds it will sync back up with the ISP and it will work fine.

Questions:

1. Why might that occur?
2. What would be the best method/CLI command to test it?
3. What took the place of the 1720/1721 and/or what are your recommendations for replacing this router with another Cisco router?

This is on a T1 connection.

Thank you for your time.

- Adam
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vikrantambhore
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Adam D

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Thank you for the link, I will look over that information.  Thoughts on the other question?
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Craig Beck
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No objections to closing this question in this manner.  The answers were helpful but only partially complete based on my initial questions.  The end result was a requirement to replace both the WIC and the Router as both were faulty.
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.