[c-nsp] NBAR & QoS

root net rootnet08 at gmail.com
Wed Sep 10 11:28:06 EDT 2008


Chuck,

I am pushing about 13Mbit with the small DSL base and sub interfaces.  I
expect to push more here by the end of Oct and wanted to make sure we are
throttling the file sharing before it gets bad.  I am running 12.2 SB what
advantages do I have for running 12.4?  Also what does your memory look
like?

rootnet

On Wed, Sep 10, 2008 at 6:57 AM, Church, Charles <cchurc05 at harris.com>wrote:

> We're using it on a 2821 for the same purpose - QOS to 2 upstreams, and
> file sharing shaping.  Currently running about 10% CPU when pushing
> about 9mb through it.  It's probably good for almost a full DS-3 on the
> 2821, at least in our application.  If you can run 12.4 on the NPE225,
> I'd say enable it on a couple subints (protocol discovery) at a time,
> and keep an eye on the cpu.  If CPU stays low, keep adding to it.  I
> seem to remember having some weird NBAR issues with 12.3.   How much
> traffic are you pushing through it currently?  20 to 30 customers
> doesn't sound like it'd be a problem.
>
> Chuck
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of root net
> Sent: Wednesday, September 10, 2008 4:32 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] NBAR & QoS
>
>
> Hello,
>
> I am looking into running NBAR along side with QoS in our network.  I
> was
> wondering what the list was doing if running NBAR.  I want to protect
> against excessive file sharing customers or at least throttle those
> specific
> applications.  Some suggestions as the best place to configure this in a
> network or what you all are doing is appreciated? Maybe even running on
> a
> mirror port?
>
> My thoughts are placing on Cisco 7206 NPE-225/256MB box but am not sure
> if
> we should upgrade to a 7204VXR NPE-400/512Mb or not. This box runs
> terminates static (no PPPoE) DSL customers and about 20 to 30
> subinterfaces.  Although may move to PPPoE in the future. CPU usage is
> light
> and memory operates around 120MB free give or take.
>
> Thanks in advanced!
>
> RootNet08
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