From: Nguyen Hoang Long (ng-hlong@hn.vnn.vn)
Date: Tue Apr 08 2003 - 06:41:27 GMT-3
I only can find docs that CBWFQ only supports ATM VC & main-interface
Practically, configuring CBWFQ on Frame-Relay PVC is accepted.
Can any explain/ show me some docs saying CBWFQ supports for Frame-Relay
PVC?
Thanks,
Long
----- Original Message -----
From: "FATHALLAH" <sfathallah@mail.cbi.net.ma>
To: "zhou jun" <zjxjgo@vip.sina.com>
Cc: "Ccielab" <ccielab@groupstudy.com>
Sent: Monday, April 07, 2003 6:19 PM
Subject: RE: cbwfq and rsvp over frame relay
> Hello Jun,
>
> Response 1 : I belive that you may reserve 160 for RSVP and 80 for flow
( ip
> rsvp band 160 80 ).
> the cir is indicator in FRTS and don't affect
directely
> the ip rspv witch use the bandwith. so you need not to make your
> rsvp reserved bandwith less then your cir.
>
> Response 2 : you can look at the CBWFQ as CQ with 64 class. eatch class
> group one or more type of trafic whitch use reserved bandwith in fifo
> queing.but in CBWFQ you can have 2 special queues: priority queue ( LLQ )
> having a strict priority with a maximum bandwith reservation. and default
> queue with groups all trafic not spicified in the other classes. this last
> queue is not fifo, but WFQ. configuring it with bandwith make it fifo and
> this can not give some trafic the best effort expected.
>
> Said FATHALLAH.
>
> -----Message d'origine-----
> De?: nobody@groupstudy.com [mailto:nobody@groupstudy.com]De la part de
zhou
> jun
> Envoy(&?: dimanche 6 avril 2003 14:46
> ($?: ccielab@groupstudy.com
> Objet?: cbwfq and rsvp over frame relay
>
>
> Hi,group
> May I expect anyone help for qos? thank you very much.
>
> Question one:rsvp over frame relay multipoint interface
> assume interface access rate is 1544kbps#,have two VC#(dlci
> 100#,200#)connect two spoke router,assume bandwidth reserved is 80K for
per
> VC,follow is my config,but I cann't confirm 'ip rsvp band 80 80' or 'ip
rsvp
> 160 160'.
> another question is 'rserve bandwidth' must less than 'frame mincir
<bps>'?
>
> HUB router:
> ...
> int s0
> encap frame
> frame traffic-shaping
> ip rsvp band 80 80
>
> int s0.1 multipoint
> ip add ....
> frame map ip .... 100 bro
> frame map ip .... 200 bro
> ip rsvp band 80 80
> frame interface-dlci 100
> class fast
> frame interface-dlci 200
> class slow
>
> map-class frame fast
> frame cir 256000
> frame mincir 128000
> frame bc 2560
> frame fair-queue
> frame fragment 280
> no frame adaptive-shaping
>
> map-class frame slow
> frame cir 128000
> frame mincir 640000
> frame bc 1280
> frame fair-queue
> frame fragment 280
> no frame adaptive-shaping
>
> ...
>
> SPOKE router (vc100):
> int s0
> encap frame
> ip add ...
> frame taffic-shaping
> ip rsvp band 80 80
> frame interface-dlci 100
> class fast
>
> map-class frame fast
> frame cir 256000
> frame mincir 128000
> frame bc 2560
> frame fair-queue
> frame fragment 280
> no frame adaptive-shaping
>
>
>
> Question two:cbwfq over frame relay(this is a config in cco document-cd)
>
> class-map voice
> match access-group 101
> class-map immediate-data
> match access-group 102
> class-map priority-data
> match access-group 103
>
> access-list 101 permit udp any any range 16384 20000
> access-list 102 permit ip any any precedence immediate
> access-list 103 permit ip any any precedence priority
>
> policy-map mypolicy
> class voice
> priority 16
> class immediate-data
> bandwidth 32
> random-detect
> class priority-data
> bandwidth 16
> class class-default
> fair-queue 64
> queue-limit 20
>
> interface Serial1/0.1 point-to-point
> frame-relay interface-dlci 100
> class fragment
>
> map-class frame-relay fragment
> frame-relay cir 64000
> frame-relay mincir 64000
> frame-relay bc 640
> frame-relay fragment 80
> service-policy output mypolicy
>
> my question is how many bandwidth is allocated traffic for class-default
in
> above config ?
> if use 'bandwith' in class-default,follow config is right ? class-default
> BW=total BW - allocated BW?
>
> policy-map mypolicy
> class voice
> priority 16
> class immediate-data
> bandwidth 16
> random-detect
> class priority-data
> bandwidth 16
> class class-default
> bandwidth 16
> queue-limit 20
>
>
>
> best regards !
> Zhou Jun
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