North American Network Operators Group

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Re: slowing down every 60 seconds due to BGP scaner

  • From: David McGaugh
  • Date: Fri Sep 14 15:26:29 2001

We've brought this concern up to Cisco before and they assured us that
everything is performing normally. You will see this when performing
router to router pings as well however, we have been told that packet
forwarding does not suffer. ICMP replies from the router (not through
the router) are given a very low CPU priority.


tang bing wrote:
> Hi,
> I found all of my backbone routers slow down every 60
> seconds , it will last 5 seconds .
> While this happens , the CPU may get more than 70%
> utilization and BGP scaner is the process that chewing
> the CPU (50%) .
> Customer with video stream noticed that .
> Cisco said it's normal .Any idea ?
> Thanks you !
> Ben
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org:Electric Lightwave, Inc.;Network Planning and Engineering
adr:;;4400 NE 77th Ave.;Vancouver;WA;98662;USA
email;internet:[email protected]
title:Internetwork Engineer
fn:David McGaugh