From: Masood Malik (malikm24@xxxxxxxxxxx)
Date: Tue Dec 19 2000 - 17:17:56 GMT-3
HI,
These setting will be okay if your Access speed/physical speed is 48K and
CIR is 16K. But Yu has access speed of 64K and CIR of 48K. The url mentioned
in my earlier email explains it very clearly. Have a read of that.
regards
Masood
----- Original Message -----
From: "zheng jiang gu" <zjgu@ce-air.com>
To: "Masood Malik" <malikm24@hotmail.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 11:27 PM
Subject: Re: frame-relay traffic shape
> hi masood:
> yu , Sorry I think be=16000,but I think
cir=48000,bc=cir/8(Tc)=6000,mincir=16000
> zjgu
>
> ----- 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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