From: The Great Ryan (pv.ryan@gmail.com)
Date: Wed Oct 19 2005 - 03:00:14 GMT-3
Brain,
Thanks for your information and archive link.
Ryan
2005/10/19, Brian McGahan <bmcgahan@internetworkexpert.com>:
> > You are right. I just tested with the following and the bandwidth
> > percentage return to "normal". does it make sense that I set both cir
> > and mincir be the same value ?
>
> Unless you are doing adaptive shaping the mincir value only affects your
> MQC reservations, so in this case yes you would want to set them to be
> the same.
>
> > Besides, my first configuration try to directly use policy-map command
> > on frame-relay interface (without use Frame-Relay Traffic shaping).
> > Does the QOS work ?
>
> Yes it will work, but you will have one queue for all VCs on the
> interface. If you only have one circuit on the interface then it
> doesn't matter. See the below thread for more info:
>
> http://www.groupstudy.com/archives/ccielab/200509/msg01678.html
> http://www.groupstudy.com/archives/ccielab/200509/msg01679.html
>
>
> HTH,
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
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>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > The Great Ryan
> > Sent: Tuesday, October 18, 2005 12:36 PM
> > To: Edwards, Andrew M
> > Cc: Cisco certification
> > Subject: Re: CBWFQ on Frame-Relay Interface
> >
> > You are right. I just tested with the following and the bandwidth
> > percentage return to "normal". does it make sense that I set both cir
> > and mincir be the same value ?
> >
> > map-class frame-relay FRTS
> > frame-relay cir 128000
> > frame-relay mincir 128000
> > service-policy output CBWFQ
> >
> >
> > Besides, my first configuration try to directly use policy-map command
> > on frame-relay interface (without use Frame-Relay Traffic shaping).
> > Does the QOS work ?
> >
> >
> > Thanks for your reply !
> > Ryan
> >
> >
> > 2005/10/19, Edwards, Andrew M <andrew.m.edwards@boeing.com>:
> > > Ryan,
> > >
> > > When you use FRTS and CBWFQ with the bandwidth percentage parameter,
> the
> > > percentage is based upon the minCIR value for FRTS.
> > >
> > > HTH,
> > >
> > > andy
> > >
> > > -----Original Message-----
> > > From: The Great Ryan [mailto:pv.ryan@gmail.com]
> > > Sent: Tuesday, October 18, 2005 10:59 AM
> > > To: Cisco certification
> > > Subject: CBWFQ on Frame-Relay Interface
> > >
> > > Hi, Group,
> > >
> > > I want to classfiy two types of traffic and apply CBWFQ on 128k
> > > Frame-Relay Interface. Does my configuration work on Frame-Relay
> > > Interface?
> > > The "show policy-map" seem ok
> > >
> > > ==========================
> > > class-map match-all traffic-a
> > > match access-group 15
> > > class-map match-all traffic-b
> > > match access-group 25
> > > !
> > > policy-map QOS
> > > class traffic-a
> > > bandwidth percent 25
> > > class traffic-b
> > > bandwidth percent 50
> > > !
> > > interface Serial0/0
> > > bandwidth 128
> > > service-policy output QOS
> > > encapsulation frame-relay
> > > !
> > > R5#s policy-map interface s0/0
> > >
> > > Serial0/0
> > >
> > > Service-policy output: QOS
> > >
> > > Class-map: traffic-a (match-all)
> > > 0 packets, 0 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: access-group 15
> > > Queueing
> > > Output Queue: Conversation 265
> > > Bandwidth 25 (%)
> > > Bandwidth 32 (kbps) Max Threshold 64 (packets)
> > > (pkts matched/bytes matched) 0/0
> > > (depth/total drops/no-buffer drops) 0/0/0
> > >
> > > Class-map: traffic-b (match-all)
> > > 0 packets, 0 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: access-group 25
> > > Queueing
> > > Output Queue: Conversation 266
> > > Bandwidth 50 (%)
> > > Bandwidth 64 (kbps) Max Threshold 64 (packets)
> > > (pkts matched/bytes matched) 0/0
> > > (depth/total drops/no-buffer drops) 0/0/0
> > >
> > > Class-map: class-default (match-any)
> > > 23 packets, 1243 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: any
> > > ==========================
> > >
> > >
> > > However, if I try to use Frame-Relay Traffic shaping together with
> > > "service policy output", the bandwidth percent seem to be not
> correct.
> > > 25% traffic become 16k only. Why it changes ?
> > >
> > > ==========================
> > > class-map match-all traffic-a
> > > match access-group 15
> > > class-map match-all traffic-b
> > > match access-group 25
> > > !
> > > policy-map QOS
> > > class traffic-a
> > > bandwidth percent 25
> > > class traffic-b
> > > bandwidth percent 50
> > > !
> > > interface Serial0/0
> > > encapsulation frame-relay
> > > frame-relay class FRTS
> > > frame-relay traffic-shaping
> > > !
> > > map-class frame-relay FRTS
> > > frame-relay cir 128000
> > > service-policy output QOS
> > > !
> > > R5#show policy-map int s0/0 dlci 503
> > > Serial0/0: DLCI 503 -
> > >
> > > Service-policy output: QOS
> > >
> > > Class-map: traffic-a (match-all)
> > > 0 packets, 0 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: access-group 15
> > > Queueing
> > > Output Queue: Conversation 25
> > > Bandwidth 25 (%)
> > > Bandwidth 16 (kbps) Max Threshold 64 (packets)
> > > (pkts matched/bytes matched) 0/0
> > > (depth/total drops/no-buffer drops) 0/0/0
> > >
> > > Class-map: traffic-b (match-all)
> > > 0 packets, 0 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: access-group 25
> > > Queueing
> > > Output Queue: Conversation 26
> > > Bandwidth 50 (%)
> > > Bandwidth 32 (kbps) Max Threshold 64 (packets)
> > > (pkts matched/bytes matched) 0/0
> > > (depth/total drops/no-buffer drops) 0/0/0
> > >
> > > Class-map: class-default (match-any)
> > > 0 packets, 0 bytes
> > > 5 minute offered rate 0 bps, drop rate 0 bps
> > > Match: any
> > >
> > >
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