RE: Flapping Serial Interface

From: Guyler, Rik (rguyler@shp-dayton.org)
Date: Fri May 11 2007 - 11:11:39 ART


Sounds like you could have a timing issue. If these are back-to-back then
check that you have the clockrate set on one side.

Rik

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Sadiq Yakasai
Sent: Friday, May 11, 2007 9:55 AM
To: Group study
Subject: Flapping Serial Interface

Guys,

I am just not sure what is happening but this is the situation:

I am connecting a 2801 router via a serial interface to a 3640 serial
interface. see below pls

*May 11 09:16:42.836: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/3/ 0, changed state to up *May 11 09:17:02.836: %LINEPROTO-5-UPDOWN:
Line protocol on Interface Serial0/3/ 0, changed state to down *May 11
09:17:12.836: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/ 0,
changed state to up *May 11 09:17:32.836: %LINEPROTO-5-UPDOWN: Line protocol
on Interface Serial0/3/ 0, changed state to down *May 11 09:17:42.836:
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/ 0, changed state
to up *May 11 09:18:02.836: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/3/ 0, changed state to down *May 11 09:18:12.836:
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/ 0, changed state
to up *May 11 09:18:32.836: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/3/ 0, changed state to down *May 11 09:18:42.836:
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/3/ 0, changed state
to up

thnks



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