From: John Wayne (john.wayne.ccie@gmail.com)
Date: Fri Sep 19 2008 - 01:27:50 ART
Really nice explanation Narbik. Is your class this detailed and easy to
follow?
On Thu, Sep 18, 2008 at 11:19 PM, Narbik Kocharians <narbikk@gmail.com>wrote:
> *Sorry for the long post and please understand that there are other ways to
> do this, but here are some ways to configure FRTS:*
>
> * *
>
> *Example #1:*
>
> *In the first example ONLY the traffic shaping is enabled:*
>
>
>
> R1(config-map-class)#*int s0/0*
>
> R1(config-if)#*frame-relay traffic-shaping*
>
>
>
> *R1#Show traffic-shape*
>
>
>
> Interface Se0/0
>
> Access Target Byte Sustain Excess Interval Increment
> Adapt
>
> VC List Rate Limit bits/int bits/int (ms) (bytes)
> Active
>
> *103 56000 875 7000 0 125 875
> - *
>
> *104 56000 875 7000 0 125 875
> - *
>
> *105 56000 875 7000 0 125 875
> - *
>
> *106 56000 875 7000 0 125 875
> - *
>
> *112 56000 875 7000 0 125 875
> - *
>
> *102 56000 875 7000 0 125 875
> - *
>
>
>
> *Note once the traffic shaping is enabled, all the DLCIs are affected and
> they are shaped to 56k.*
>
>
>
> *Example #2:*
>
> *In this example a map-class called "TST" is configured and it is applied
> to
> the main interface:*
>
>
>
> R1(config)#*map-class frame TST*
>
> R1(config-map-class)#*frame-relay cir 64000*
>
> R1(config-map-class)#*frame-relay bc 8000*
>
> R1(config-map-class)#*frame-relay adaptive-shaping becn*
>
>
>
> R1(config-map-class)#*int s0/0*
>
> R1(config-if)#*frame-relay traffic-shaping*
>
> R1(config-if)#*frame-relay class TST*
>
>
>
> *To verify:*
>
>
>
> *R1#Show traffic-shape *
>
>
>
> Interface Se0/0
>
> Access Target Byte Sustain Excess Interval Increment
> Adapt
>
> VC List Rate Limit bits/int bits/int (ms) (bytes)
> Active
>
> *103 64000 1000 8000 0 125 1000
> BECN*
>
> *104 64000 1000 8000 0 125 1000
> BECN*
>
> *105 64000 1000 8000 0 125 1000
> BECN*
>
> *106 64000 1000 8000 0 125 1000
> BECN*
>
> *112 64000 1000 8000 0 125 1000
> BECN*
>
> *102 64000 1000 8000 0 125 1000
> BECN*
>
>
>
> *Note because the frame-relay class was applied to the main interface, it's
> policy is applied to all the DLCIs under that interface.*
>
>
>
> *Example #3*
>
> *In this example the frame-relay class was applied to one of the DLCIs
> (102):*
>
>
>
> R1(config-if)#*frame-relay interface-dlci 102*
>
> R1(config-fr-dlci)#*class TST*
>
>
>
> *R1#Show traffic-shape*
>
>
>
> Interface Se0/0
>
> Access Target Byte Sustain Excess Interval Increment
> Adapt
>
> VC List Rate Limit bits/int bits/int (ms)
> (bytes) Active
>
> 103 56000 875 7000 0 125
> 875 -
>
> 104 56000 875 7000 0 125
> 875 -
>
> 105 56000 875 7000 0 125
> 875 -
>
> 106 56000 875 7000 0 125
> 875 -
>
> 112 56000 875 7000 0 125
> 875 -
>
> *102 64000 1000 8000 0 125
> 1000 BECN*
>
>
>
> *Note since the policy (map-class frame-relay TST) was applied to DLCI 102,
> it effected DLCI 102 ONLY, but because the "Frame-relay traffic-shaping"
> command is still configured under the physical interface, the other DLCIs
> are shaped to 56000 just like the first example. *
>
> * *
>
> *Example #4*
>
> *Note the "Frame-relay traffic-shaping", the "class TST", and the
> "map-class
> frame-relay TST" are removed. *
>
> *A Policy-map called "TST" is configured and applied to a new map-class
> called "QOS" using "service-policy out TST" command, and finally the
> "Map-class frame-relay QOS" is applied to DLCI 102. *
>
> * *
>
> R1(config)#*int s0/0*
>
> R1(config-if)#*no frame-relay traffic-shaping*
>
>
>
> R1(config-if)#*frame-relay interface-dlci 102*
>
> R1(config-fr-dlci)#*no class TST*
>
>
>
> R1(config)#*no map-class frame TST*
>
>
>
> R1(config)#*policy-map TST*
>
> R1(config-pmap)#*class class-default*
>
> R1(config-pmap-c)#*shape average 64000 8000* *0*
>
> R1(config-pmap-c)#*Shape adaptive 32000*
>
>
>
> R1(config)#*map-class frame-relay QOS*
>
> R1(config-map-class)#*service-policy out TST*
>
>
>
> R1(config-map-class)#*int s0/0*
>
> R1(config-if)#*frame-relay interface 102*
>
> R1(config-fr-dlci)#*class QOS*
>
> * *
>
> *To verify:*
>
>
>
> *R1#Show policy-map interface S0/0 *
>
>
>
> Serial0/0: DLCI 102 -
>
> Service-policy output: TST
>
> Class-map: class-default (match-any)
>
> 0 packets, 0 bytes
>
> 5 minute offered rate 0 bps, drop rate 0 bps
>
> Match: any
>
> Traffic Shaping
>
> Target/Average Byte Sustain Excess Interval Increment
>
> Rate Limit bits/int bits/int (ms)
> (bytes)
>
> *64000/64000 1000 8000 0 125
> 1000
> *
>
>
>
> Adapt Queue Packets Bytes Packets Bytes
> Shaping
>
> Active Depth Delayed Delayed
> Active
>
> *BECN* 0 0 0 0
> 0 no* *
>
>
> On Thu, Sep 18, 2008 at 12:39 PM, Scott Morris <
> smorris@internetworkexpert.com> wrote:
>
> > Follow the flow of traffic. If you left everything alone, where does the
> > IP
> > packet go? Once you apply one mechanism (physical/subint/per-dlci), does
> > anything change?
> >
> > Remember to look at "show frame pvc" and see exactly how many dlcis
> report
> > to that particular interface. Because applying a policy to an interface
> > will equally affect all dlci's that are there...
> >
> > So it's picking and choosing exactly what you do, or do not, want
> affected.
> >
> > HTH,
> >
> > Scott
> >
> > -----Original Message-----
> > From: olumayokun fowowe [mailto:olumayokun@gmail.com]
> > Sent: Thursday, September 18, 2008 2:40 PM
> > To: smorris@internetworkexpert.com
> > Cc: ccielab@groupstudy.com
> > Subject: QOS
> >
> > Hello guys,
> > I am a bit confused about QOS. Apart from when I am doing FRTS, if I do
> > policing on a frame relay interface, how do I differentiate when to apply
> > the service policy inside a map-class frame-relay from when to apply it
> > directly to the interface.
> >
> > Any help will be greatly appreciated.
> >
> > Thanks,
> >
> > 'Mayokun
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining
> www.Net-Workbooks.com <http://www.net-workbooks.com/>
> Sr. Technical Instructor
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
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