Re: Strange Problem with router... [7:6293]

[Peter I. Slow, CCNP Voice Specialist]

yup.
thats going to happen when you plug that many serial links into the 3640.
look at the mtu, look at your pps, and look at the 2640's forwarding
capabilities.
i have a cusdtomer who's 2640 freaks out the same way with 8 t-1s coming
into it...

Peter Slow, CCNP Voice Specialist
Network Engineer
Planetary Networks
535 West 34th Street
New York, NY
10001
Cell:    (516) 782.1535
Desk: (646) 792.2395
Mail: [EMAIL PROTECTED]
Fax:    (646) 792.2396
----- Original Message -----
From: "Kiran Kumar M" 
To: 
Sent: Tuesday, May 29, 2001 4:19 PM
Subject: Strange Problem with router... [7:6293]


> Hi,
>
> I am facing a strange problem from last two days. One of my 3640 router
> is behaving in a strange manner.
>
> Sudenly it is becoming 60 - 99 % CPU utilization.(Usally 20 - 30 %) at the
> same time It is droping the output packets on Main Serial link (which is
> using for uplink/downlink) and input packets on fastethernet (Used for
> LAN) port. Even these Interfaces are not overloading..
>
> On the same router I am having 17 more serial links, and 1 more fast
> ethernet, and one ethernet interfaces and all are in working. I am using
> wccp v1, and BGP also on the same router.
>
> After Observing the problem I did the following things.
>
> 1) Increased the hold-queue to 4096
> 2) stopped the wccp
>
> and observed the status. But there is no use. It behaved in the same
> pasion. So I kept the things back.
>
> I am wondering.. if anybody help me.. The traffic is same and not
> varying.. but it is very much flutuating..
>
> Please give me suggestions.. if anybody have any idea..
>
> Thanks,
> Kiran
>
> PS: The router is not giving this problem continuously.. for 2 mins.. its
> working properly.. next 2 or 3 mins.. dropping the packets.. and next 2
> mins.. working properly..
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