Re: Router trick - how to allow only one single packet

From: Bobola Oke <okebobola_at_gmail.com>
Date: Wed, 10 Nov 2010 22:36:28 +0100

Very smart Collins....

On Wed, Nov 10, 2010 at 10:31 PM, Rich Collins <nilsi2002_at_gmail.com> wrote:

> Hi Tyson,
>
> Thanks for your offer but all that is changing is a field that is
> quite random with some timing information that is encoded. So I
> cannot calculate the value for this field for the first packet or
> subsequent packets.
>
> I seem to have a hack that is working ( a few static routes going to
> nirvana). So I have per packet load balancing enabled and the EEM
> (ACL didn't seem much faster than shutting down the interface).
> Anyway that kicks in fast enough by the time the round robin of static
> routes has completed.
>
> Rgds,
> Rich
>
> On Tue, Nov 9, 2010 at 9:31 PM, Tyson Scott <tscott_at_ipexpert.com> wrote:
> > Rich,
> >
> > You said there is some distinguishable information in the retries. If
> you
> > use 15 Mainline you can look anywhere in the packet for information and
> > match based on that criteria.
> >
> > If you give us some detail I can tell you how to do this.
> >
> > Jay,
> >
> > Flexible Packet Matching is a topic within scope of the lab, but is more
> > heavily a security topic
> >
> > Regards,
> >
> > Tyson Scott - CCIE #13513 R&S, Security, and SP
> > Managing Partner / Sr. Instructor - IPexpert, Inc.
> > Mailto: tscott_at_ipexpert.com
> >
> >
> >
> > -----Original Message-----
> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Jay
> > McMickle
> > Sent: Saturday, November 06, 2010 7:28 PM
> > To: Ck
> > Cc: Yaser; Marko Milivojevic; Rich Collins; Cisco certification
> > Subject: Re: Router trick - how to allow only one single packet
> >
> > Marko-
> > I read up on FPM. how is it any different than QoS? Your using the
> > pre-loaded traffic signatures and marking packets to be actioned upon.
> >
> > Is this something we should expect on the Lab exam?
> >
> > Thanks in advance for the info!
> >
> > Regards,
> > Jay McMickle- CCNP,CCSP,CCDP
> > Sent from my iPhone
> > http://mycciepursuit.wordpress.com
> >
> >
> > On Nov 6, 2010, at 1:10 PM, Ck <chella2ck_at_yahoo.co.in> wrote:
> >
> >> Flexible Packet Matching (FPM)
> >> :)
> >> Kumar
> >>
> >> On 11/6/10 11:35 PM, "Yaser"
> >> <yasser.alyusuf_at_gmail.com> wrote:
> >>
> >> What is FPM ?
> >>
> >> On Thu, Nov 4, 2010 at 7:54
> >> PM, Marko Milivojevic <markom_at_ipexpert.com>wrote:
> >>
> >> If the retries are somehow
> >> distinguishable from the original requests,
> >> you may want to consider using
> >> FPM.
> >>
> >> --
> >> Marko Milivojevic - CCIE #18427
> >> Senior Technical Instructor -
> >> IPexpert
> >>
> >>
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> >>
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>
>
>

-- 
Bobola Oke
Blogs and organic groups at http://www.ccie.net
Received on Wed Nov 10 2010 - 22:36:28 ART

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