Re: mls Qos

Ahmed,

Can you explain in more detail what you are talking about mls qos.

 I'll appreciate if you can also provide a example .

Thanks!

On Sun, Jul 26, 2009 at 12:58 PM, Ahmed Elhoussiny <aelhoussiny_at_gmail.com>wrote:

> Hello guys,
> Also remember before using this command *(mls qos)* to
> check if there is any *ether-channel *configured between switches.
> if yes, check the platform & line card HW capabilities in QOS ( queuing
> 2q8t
> or 1q4t...ect)
> cause if they doesn't match , the ether-channel will be broken, even if u
> didn't configure any QOS parameters on it.
>
> -----------------------------------
> Thanks & B.regards
> Ahmed Elhoussiny,CCIE# 21988 (R&S)
> Network Consultant & Cisco Academy Instructor
>
>
> On Sun, Jul 26, 2009 at 8:33 PM, S Malik <ccie.09_at_gmail.com> wrote:
>
> > I think, I would look into the source and destination of traffic and the
> > possible paths taken. Any device invloved in the path involved should
> have
> > it and for CAT switches modify maps accordingly.
> >
> > Police or shaping depends on the requirement. Police will provide maximum
> > guaranteed BW configured and drop extra traffic during congestion and
> > shapping will buffer it .Usually ISP implement Policing and Customer
> > shapping. Shapping is outbound and policing can be configured both ways
> > (double check) mostly for in coming traffic.
> >
> > I think, for policing,, extra traffic is treated as default (normal)
> > traffic
> > if there is no congestion.
> >
> >
> > On Sun, Jul 26, 2009 at 1:16 PM, Narbik Kocharians <narbikk_at_gmail.com
> > >wrote:
> >
> > > hahahahaha
> > >
> > > I am with you on that.
> > >
> > > On Sun, Jul 26, 2009 at 10:12 AM, Anthony Sequeira <asequeira_at_ine.com
> > > >wrote:
> > >
> > > > Yes - and let me clarify - I never have my students insert commands
> > > "brute
> > > > force".
> > > >
> > > > For example, entering MLS QOS on all switches at the beginning of the
> > > lab.
> > > > :-)
> > > >
> > > > Another one that turns my stomach is adding next-hop-self to every
> > > peering
> > > > in BGP.
> > > >
> > > > Warmest Regards,
> > > >
> > > > Anthony J. Sequeira, CCIE #15626
> > > > http://www.INE.com <http://www.ine.com/> <http://www.ine.com/> <
> http://www.ine.com/>
> > > >
> > > > On Jul 26, 2009, at 1:00 PM, Narbik Kocharians wrote:
> > > >
> > > > Remember,
> > > >>
> > > >> If hosts should retain their marking, and you enable "MLS QOS" you
> > will
> > > >> effect their traffic, so i would recommend enabling it ONLY when you
> > > need
> > > >> to
> > > >> apply QOS of any kind.
> > > >> Always remember, whenever you configure a router or a switch you
> > should
> > > >> ask
> > > >> yourself why am i using this command or this keyword, Do i need it?
> if
> > > the
> > > >> command that you are configuring is required, go for it, if NOT, you
> > > >> should
> > > >> NOT. You should make that a habit.
> > > >> BTW, i am NOT picking on Anthony, he is an excellent instructor, i
> am
> > > ONLY
> > > >> stating my opinion.
> > > >>
> > > >> On Sun, Jul 26, 2009 at 9:43 AM, Anthony Sequeira <
> asequeira_at_ine.com>
> > > >> wrote:
> > > >>
> > > >> Yeah, this is definitely one of those commands that you should
> insert
> > > in
> > > >>> the configuration whenever you are in doubt. It should not penalize
> > you
> > > >>> if
> > > >>> in fact it was not required.
> > > >>>
> > > >>> Also, thinking ahead to troubleshooting Cisco gear, you can
> > definitely
> > > >>> envision this as one that would be missing from a pre-configured
> > > switch.
> > > >>> :-)
> > > >>>
> > > >>> Warmest Regards,
> > > >>>
> > > >>> Anthony J. Sequeira, CCIE #15626
> > > >>> http://www.INE.com <http://www.ine.com/> <http://www.ine.com/> <
> http://www.ine.com/> <
> > > http://www.ine.com/>
> > > >>>
> > > >>>
> > > >>> Test your Core Knowledge today!
> > > >>> Q: Four NAT terms are used to describe IP addresses in a NAT
> > scenario.
> > > >>> The
> > > >>> address of HostB (an outside host) as it is seen on the outside
> > network
> > > >>> is
> > > >>> typically referred to as which term?
> > > >>> A: The Outside Global Address
> > > >>> More Info:
> > > >>>
> > > >>>
> > >
> >
> http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094831.shtml
> > > >>>
> > > >>>
> > > >>>
> > > >>> On Jul 26, 2009, at 1:07 AM, kaniyath minha wrote:
> > > >>>
> > > >>> Dear
> > > >>>
> > > >>>>
> > > >>>> where mls qos should enable and where it is not required..its
> > > confusing
> > > >>>> me.
> > > >>>>
> > > >>>> Is Police require it or not?
> > > >>>>
> > > >>>> please give in detail.
> > > >>>>
> > > >>>> thanks and regards
> > > >>>>
> > > >>>>
> > > >>>> Blogs and organic groups at http://www.ccie.net
> > > >>>>
> > > >>>>
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> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>
> > > >> --
> > > >> Narbik Kocharians
> > > >> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> > > >> www.MicronicsTraining.com <http://www.micronicstraining.com/> <
> http://www.micronicstraining.com/> <
> > > http://www.micronicstraining.com/>
> > > >> Sr. Technical Instructor
> > > >>
> > > >>
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> > > >>
> > > >>
> > _______________________________________________________________________
> > > >> Subscription information may be found at:
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> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >
> > >
> > >
> > > --
> > > Narbik Kocharians
> > > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> > > www.MicronicsTraining.com <http://www.micronicstraining.com/> <
> http://www.micronicstraining.com/>
> > > Sr. Technical Instructor
> > >
> > >
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> >
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> >
> >
> >
> >
> >
> >
> >
>
>
> --
>
>
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>
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Received on Sun Jul 26 2009 - 13:14:50 ART