From: YJC (stiff.yu@xxxxxxxxxxxxxxxxxx)
Date: Tue Dec 19 2000 - 22:58:06 GMT-3
hi,Malik,
I think you are right,but how do you think about be and EIR,
if cir =line rate, how do you think line rate=cir+EIR?
what about be.
Thanks
----- Original Message -----
From: Masood Malik <malikm24@hotmail.com>
To: zheng jiang gu <zjgu@ce-air.com>; YJC <stiff.yu@datacraft-asia.com>;
Justin Menga <Justin.Menga@computerland.co.nz>; CCIE Group Study (E-mail)
<ccielab@groupstudy.com>
Sent: Tuesday, December 19, 2000 2:04 PM
Subject: Re: frame-relay traffic shape
> Hi yu,
>
> Try the following
>
> map-class frame-relay yu
> frame-relay cir 64000
> frame-relay bc 8000
> frame-relay be 16000
> frame-relay mincir 48000
>
> The way cisco interprets these is as follows:
> CIR is the access/physical rate in your case 64k
> mincir is the committed information rate in your case 48K
>
> Thus when dealing with cisco routes use the new terminology viz, CIR as
the
> physical rate and mincir as the term for CIR which telcos and you and me
> know normally. I know it is confusing but that is the reality.
>
> for explination of bc and be look at the following url, I have used bc as
> 1/8th of access rate and be double that of bc which is the default values
> cisco routers use.
>
> http://www.cisco.com/warp/public/125/21.shtml
>
> regards
> Masood Malik
>
>
> ----- Original Message -----
> From: "zheng jiang gu" <zjgu@ce-air.com>
> To: "YJC" <stiff.yu@datacraft-asia.com>; "Justin Menga"
> <Justin.Menga@computerland.co.nz>; "CCIE Group Study (E-mail)"
> <ccielab@groupstudy.com>
> Sent: Monday, December 18, 2000 1:05 PM
> Subject: Re: frame-relay traffic shape
>
>
> > I think so ! Justin,what do you think?
> > zjgu
> > ----- Original Message -----
> > From: YJC <stiff.yu@datacraft-asia.com>
> > To: zheng jiang gu <zjgu@ce-air.com>; Justin Menga
> <Justin.Menga@computerland.co.nz>; CCIE Group Study (E-mail)
> <ccielab@groupstudy.com>
> > Sent: Monday, December 18, 2000 10:50 AM
> > Subject: Re: frame-relay traffic shape
> >
> >
> > > zheng,
> > > Thank you,if you think a is right for cisco and b is right for RFC.
> > >
> > > ----- Original Message -----
> > > From: zheng jiang gu <zjgu@ce-air.com>
> > > To: YJC <stiff.yu@datacraft-asia.com>; Justin Menga
> > > <Justin.Menga@computerland.co.nz>; CCIE Group Study (E-mail)
> > > <ccielab@groupstudy.com>
> > > Sent: Sunday, December 17, 2000 12:42 PM
> > > Subject: Re: frame-relay traffic shape
> > >
> > >
> > > > yu:
> > > > Do you find the correct answer?
> > > > I think Justin is right.
> > > > 1 May be IOS bug ,
> > > >
> > > > "Map class fast_vcs uses a peak rate of 64000 and average rate of
> 16000
> > > bps
> > > > map-class frame-relay fast_vcs
> > > > frame-relay traffic-rate 16000 64000
> > > > frame-relay priority-group 2"
> > > >
> > >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/wan_c
> > > /wcfrelay.htm#xtocid2427383
> > > >
> > > > 2 A is correct for CISCO,but not correct for RFC.But for a ccie
> candidate
> > > ,YOU KNOW MY MEANING!!
> > > >
> > > > frame-relay traffic-rate
> > > > To configure all the traffic shaping characteristics of a virtual
> circuit
> > > in a single command, use the frame-relay traffic-rate map-class
> > > configuration command. To remove the specified traffic shaping from
the
> map
> > > class, use the no form of this command.
> > > >
> > > > frame-relay traffic-rate average [peak]
> > > > no frame-relay traffic-rate average [peak]
> > > >
> > > > Syntax Description
> > > > average
> > > > Average rate, in bits per second; equivalent to specifying the
> contracted
> > > CIR.
> > > >
> > > > peak
> > > > (Optional) Peak rate, in bits per second; equivalent to
> > > > CIR + Be/Tc = CIR (1 + Be/Bc) = CIR + EIR.
> > > >
> > > >
> > >
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/wan_r
> > > /wrfrelay.htm#xtocid18778299
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: YJC <stiff.yu@datacraft-asia.com>
> > > > To: Justin Menga <Justin.Menga@computerland.co.nz>; CCIE Group Study
> > > (E-mail) <ccielab@groupstudy.com>
> > > > Sent: Friday, December 15, 2000 9:52 AM
> > > > Subject: Re: frame-relay traffic shape
> > > >
> > > >
> > > > > but you show frame-relay pvc,you can see tc is 0.125s.
> > > > > how do you think tc is 1s.
> > > > >
> > > > > thanks
> > > > >
> > > > > ----- Original Message -----
> > > > > From: Justin Menga <Justin.Menga@computerland.co.nz>
> > > > > To: YJC <stiff.yu@datacraft-asia.com>; CCIE Group Study (E-mail)
> > > > > <ccielab@groupstudy.com>
> > > > > Sent: Saturday, December 09, 2000 5:17 PM
> > > > > Subject: RE: frame-relay traffic shape
> > > > >
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > 1. The difference is that using frame-relay traffic-rate
command,
> the
> > > tc
> > > > > is
> > > > > > assumed to be 1 second. Hence your bc and be reflect values if
> tc=1
> > > > > >
> > > > > > 2. a
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > Justin Menga MCSE+I CCNP CCSE ASE
> > > > > > WAN Specialist
> > > > > > Computerland New Zealand
> > > > > > PO Box 3631, Auckland
> > > > > > DDI: (+64) 9 360 4864 Mobile: (+64) 25 349 599
> > > > > > mailto: justin.menga@computerland.co.nz
> > > > > >
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: YJC [mailto:stiff.yu@datacraft-asia.com]
> > > > > > Sent: Wednesday, 6 December 2000 8:59 p.m.
> > > > > > To: CCIE Group Study (E-mail)
> > > > > > Subject: frame-relay traffic shape
> > > > > >
> > > > > >
> > > > > > hellow,
> > > > > >
> > > > > > I have two question.
> > > > > >
> > > > > > 1, what differnce when i use frame-relay traffic-rate or
> frame-relay
> > > > > bc,cir
> > > > > > ,be;
> > > > > > for example:cir=48000,cir+eir=64000,tc=0.125
> > > > > > the below is my config and sh frame-relay pvc,you can see
> many
> > > > > > difference,why?
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