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Cabling and Network Cards cable and nic support forum; D-Link, Netgear, Linksys, Cisco, Sun

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Old 11-02-2009, 06:06 AM   #1 (permalink)
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Join Date: Nov 2009
Posts: 1
OS: XP


Cisco router serial int prob

Dears,
I have a cisco router witch has two serial ports, one of them is connected to leased line with many Dynamic IP add.
The point is that the service monitor shows that the service is flapping for a while them it comes back.
I got the following from the sh log command:
+++++++++++++++++++++++++++++
Inter
face Serial0/1/0, changed state to up
000192: *Nov 1 21:02:28.359 Muscat: %LINEPROTO-5-UPDOWN: Line protocol on Inter
face Serial0/1/0, changed state to down
000193: *Nov 1 21:02:38.359 Muscat: %LINEPROTO-5-UPDOWN: Line protocol on
+++++++++++++++++++++++++++++
and so on.
please advise if anybody can determine whether the problem is from the router or from the leased line.
cheers
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