From: David Fahed (dfahed@xxxxxx)
Date: Fri Feb 09 2001 - 12:22:44 GMT-3
No difference between GTS and FRTS (Like GTS on Frame relay)
GTS is used to manage traffic and congestion on the network
CAR do the same thing but you can manage what to do with the excess traffic
(drop ....) no with GTS
Maybe it isn't complete but I use it like this!
Le sam, 10 fév 2001, Jack Yu a écrit :
> Just want to expand this thread a little bit,
> could somebody tell me how I could choose between GTS
> and CAR? What's the internal difference? Also the
> difference between GTS and Frame Relay Traffic
> shaping?
> I read some docs from CCO, but there is no clear
> answers, at least I did not find one that I can
> understand.
>
> Thanks
>
> Jack
>
>
> --- Simon Baxter <Simon.Baxter@au.logical.com> wrote:
> > Thanks David. That's a simple definition I've been
> > looking for for ages!!!!
> >
> >
> > cheers!!
> >
> >
> > Simon
> >
> > -----Original Message-----
> > From: David Fahed [mailto:dfahed@outremer.com]
> > Sent: Wednesday, February 07, 2001 12:59 AM
> > To: Trojanowski A. Mark
> > Cc: Robert DeVito; ccie2001uk@yahoo.com;
> > ccielab@groupstudy.com
> > Subject: Re: GTS
> >
> >
> > Comments :
> >
> > Traffic-shape rate <CIR in bps> <Bc in bits> <Be in
> > Bits>
> >
> > CIR The average That you want to send out (Here
> > 2000000 bit/s)
> > Bc The amount of data per each Tc interval (Good
> > value is 1/8 CIR) this
> > value is in bits
> > Be The amount of excess data allowed to be sent in
> > the first interval (only
> > in the first interval).
> >
> > How could i calculate Tc? Tc=Bc/Cir
> > So Tc = 1/8 s. So 8 interval in 1seconde.
> >
> > So to calculate if we have really the Limitation of
> > 2000000 bit/s:
> > Interval 1: Bc + Be = 250000 + 250000 (You add only
> > Be in the first
> > interval)
> > Interval 2: Bc = 250000 (you are Limited to transmit
> > Bc bit each interval
> > Tc)
> > .
> > .
> > Interval 8: Bc=250000
> >
> > Total : 2250000 bit authorized in 1 second.
> >
> > If you want to really limit the amount at 20000000
> > just put the Be to 0.
> >
> > Maybe it is not clear because of my bad english but
> > hope this help.
> >
> > Yours David
> > "Trojanowski A. Mark" a écrit :
> >
> > > Yes, I think with
> > > access-list 101 permit tcp any any eq ftp
> > > > interface Tokenring 0
> > > > traffic-shape group 101 2000000 250000 250000
> > >
> > > you will limit ftp outbound to 2 meg.
> > >
> > > comments ??
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com]On Behalf Of
> > > David Fahed
> > > Sent: Tuesday, February 06, 2001 9:05 AM
> > > To: Robert DeVito
> > > Cc: ccie2001uk@yahoo.com; mtrojano@cisco.com;
> > ccielab@groupstudy.com
> > > Subject: Re: GTS
> > >
> > > Robert DeVito a écrit :
> > >
> > > > But will that answer his scenerio question?
> > Will that limit the FTP
> > > traffic
> > > > to 2.5Mbps?
> > > >
> > > > ----Original Message Follows----
> > > > From: ccieuk <ccie2001uk@yahoo.com>
> > > > Reply-To: ccieuk <ccie2001uk@yahoo.com>
> > > > To: "Trojanowski A. Mark" <mtrojano@cisco.com>,
> > ccielab@groupstudy.com
> > > > Subject: RE: GTS
> > > > Date: Tue, 6 Feb 2001 12:27:53 -0800 (PST)
> > > >
> > > > Mark,
> > > >
> > > > Going to try the following on my home router,
> > but not
> > > > to sure how to check if its working
> > > > Thanks for the info
> > > >
> > > > access-list 101 permit tcp any any eq ftp
> > > > interface Tokenring 0
> > > > traffic-shape group 101 2000000 250000 250000
> > > >
> > > > --- "Trojanowski A. Mark" <mtrojano@cisco.com>
> > wrote:
> > > > > I believe the first number 1000000 is in bits
> > and
> > > > > the last two numbers
> > > > > 125000 125000 are in bytes.
> > > > >
> > > > > 125000 *8 = 1000000
> > > > >
> > > > > traffic-shape group 101 1000000 125000 125000
> > will
> > > > > give you 1000000 bit-rate
> > > > > 1000000 bit-burst-size 1000000
> > > > > bit-excess-burst-size.
> > > > >
> > > > > -Mark
> > > > >
> > > > > -----Original Message-----
> > > > > From: nobody@groupstudy.com
> > > > > [mailto:nobody@groupstudy.com]On Behalf Of
> > > > > ccieuk
> > > > > Sent: Tuesday, February 06, 2001 2:27 PM
> > > > > To: ccielab@groupstudy.com
> > > > > Subject: GTS
> > > > >
> > > > >
> > > > > I'm trying to set GTS on a token ring
> > interface to
> > > > > restrict FTP to only 2 Mbps
> > > > > I found an example on the CD, but don't
> > really
> > > > > understand the explanation. See below
> > > > >
> > > > > Enable GTS on the Interface Example
> > > > > This example shows the configuration of two
> > > > > traffic-shaped interfaces on a router.
> > Ethernet 0 is
> > > > > configured to limit User Datagram Protocol
> > (UDP)
> > > > > traffic to 1 Mbps. Ethernet 1 is configured
> > to limit
> > > > > all output to 5 Mbps.
> > > > >
> > > > > access-list 101 permit udp any any
> > > > > interface Ethernet0
> > > > > traffic-shape group 101 1000000 125000
> > 125000
> > > > > !
> > > > > interface Ethernet1
> > > > > traffic-shape rate 5000000 625000 625000
> > > > >
> > > > >
> > > > > I don't understand where the 125000 figure
> > comes
> > > > > from?
> > > > >
> > > > > Any help would be appreciated
> > > > > Thanks
> > > > >
> > > > >
> > > > >
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