From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Aug 02 2005 - 00:27:43 GMT-3
For that particular case the latter is correct.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
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> -----Original Message-----
> From: Lee [mailto:ipgirl@gmail.com]
> Sent: Monday, August 01, 2005 9:54 PM
> To: Brian McGahan; ccielab@groupstudy.com
> Subject: Re: Re Re: IWEB-lab4 section 9.5 QOS
>
> Hi Brian,
> I'm not sure i understand your logic.
> If i make 2 class, one for fpt and the other for tcp and Ftp class
goes
> first:
>
> access-group 101 permit tcp any any
> !
> class ftp
> match protocol ftp
> class tcp
> match access-group 101
> !
> policy-map QoS
> class ftp
> police cir 2000000
> class tcp
> police cir 5000000
> !
> In this case, every packet that match ftp class will NOT be matched
again
> in
> TCP class.
> The problem is that, if there are 2M ftp traffic already match in fpt
> class,
> then the total bandwidth for tcp traffic may be 7M (2M FTp + 5M TCP
<not
> FTP
> traffic>).
> This violate the 5M TCP trafffic requirement in question.
>
> In my solution, ftp class will be nested in tcp class:
> !
> policy-map ftp
> class ftp
> police cir 2000000
> !
> policy-map QoS
> class tcp
> police cir 5000000
> service-policy ftp
> !
>
> What will you recommend in my solution ?
> Thanks
>
> B.L
>
> ----- Original Message -----
> From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> To: <ccielab@groupstudy.com>
> Cc: "Brian Lee" <ipgirl@gmail.com>
> Sent: Tuesday, August 02, 2005 4:39 AM
> Subject: RE: Re Re: IWEB-lab4 section 9.5 QOS
>
>
> > Brian,
> >
> > It depends on which class you call first. If you call FTP first
> > then no it will not be matched in the TCP class. If you call TCP
first
> > then it will be matched in the TCP class. Try it out on the command
> > line and look at the "show policy-map interface" to check the
results.
> >
> > HTH,
> >
> > Brian McGahan, CCIE #8593
> > bmcgahan@internetworkexpert.com
> >
> > Internetwork Expert, Inc.
> > http://www.InternetworkExpert.com
> > Toll Free: 877-224-8987 x 705
> > Outside US: 775-826-4344 x 705
> > 24/7 Support: http://forum.internetworkexpert.com
> > Live Chat: http://www.internetworkexpert.com/chat/
> >
> >
> >> -----Original Message-----
> >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
Behalf
> > Of
> >> Brian Lee
> >> Sent: Monday, August 01, 2005 4:40 AM
> >> To: Brian McGahan; mani poopal; ccielab@groupstudy.com
> >> Subject: Re Re: IWEB-lab4 section 9.5 QOS
> >>
> >> Hi Brian,
> >> With your answer, i can assume that smtp above 1250 will NOT be a
part
> > of
> >> ABOVE_1250 class.
> >> Now i have another question: limit ftp traffic at 2Mbps and tcp
> > traffic
> >> at
> >> 5Mbps.
> >> Do you think ftp traffic will be a part of tcp traffic ?
> >>
> >> B.L.
> >>
> >> ----- Original Message -----
> >> From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> >> To: "mani poopal" <mani_ccie@yahoo.com>; <ccielab@groupstudy.com>
> >> Sent: Wednesday, December 29, 2004 11:22 PM
> >> Subject: RE: IWEB-lab4 section 9.5 QOS
> >>
> >>
> >> > Mani,
> >> >
> >> > SMTP packets above 1250 bytes will be matched by the SMTP class,
> >> > not the ABOVE_1250. The MQC works in a top-down fashion like an
> >> > access-list or route-map does. If you are asking if the SMTP
above
> > 1250
> >> > should hit the second class based on the requirement, no, they
> > should be
> >> > hitting the first.
> >> >
> >> >
> >> > HTH,
> >> >
> >> > Brian McGahan, CCIE #8593
> >> > bmcgahan@internetworkexpert.com
> >> >
> >> > Internetwork Expert, Inc.
> >> > http://www.InternetworkExpert.com
> >> > Toll Free: 877-224-8987 x 705
> >> > Outside US: 775-826-4344 x 705
> >> > 24/7 Support: http://forum.internetworkexpert.com
> >> > Live Chat: http://www.internetworkexpert.com/chat/
> >> >
> >> >
> >> >> -----Original Message-----
> >> >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > Behalf
> >> > Of
> >> >> mani poopal
> >> >> Sent: Wednesday, December 29, 2004 9:04 AM
> >> >> To: ccielab@groupstudy.com
> >> >> Subject: IWEB-lab4 section 9.5 QOS
> >> >>
> >> >> Hi Group,
> >> >>
> >> >> In this lab for qos the solution guide says,
> >> >> Question:Configure the router so smtp packets are guarnteed at
> > least
> >> > 1.5
> >> >> mbps of outputque of e 0/1 and as an additional mesure configure
> > the
> >> >> router so packets over 1250 bytes are limited to 2.5 mbps on
> > outbound
> >> > to
> >> >> Router
> >> >> =======================
> >> >> class-map smtp
> >> >> match protocol smtp
> >> >> class-map ABOVE_1250
> >> >> match packet lenght min 1250
> >> >> policy-map QOS
> >> >> class smtp
> >> >> bandwidth 1500
> >> >> service policy output e 0/1
> >> >> class ABOVE_1250
> >> >> police cir 2500000
> >> >> =======================
> >> >> I think the solution should include nested MQC, what will happen
if
> >> > smtp
> >> >> packets and those smtp packets are greater than 1250
bytes.(which
> >> > policy
> >> >> those packets are going to take eg:class smtp or class
ABOVE_1250)
> > Do
> >> > we
> >> >> need different configuration with nested MQC, any feedback is
> >> > appriciated
> >> >>
> >> >> thanks
> >> >>
> >> >> Mani
> >> >>
> >> >>
> >> >>
> >> >> B.ENG,A+,CCNA,CCNP,CCNP-VOICE, CSS1,CNA,MCSE
> >> >> (416)431 9929
> >> >> MANI_CCIE@YAHOO.COM
> >> >>
> >> >> ---------------------------------
> >> >> Do you Yahoo!?
> >> >> Dress up your holiday email, Hollywood style. Learn more.
> >> >>
> >> >>
> >> >
> >
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