Re: RTP & RSVP ----THE BRIANS / PETR AND SCOTT

From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Sun Aug 27 2006 - 05:09:53 ART

Oops, sorry, I chopped out FR configuration for R2 mistakenly.
Of course, you need at least FR fragmentation configured at R2.

HTH

2006/8/27, Petr Lapukhov <petr@internetworkexpert.com>:
>
> To begin with, RSVP supports LLQ only for "voice-like" traffic, though you
> may define this criteria using flow characteirstics. By default all
> voice-like flows
> goes into PQ, AFAIR.
>
> Note below, that configured reservation does not go into PQ, since it's
> not voice-like.
> Also note that IP RTP Priority is useless w/o fragmentation configured.
>
> R4:
> interface Loopback100
> ip address 44.44.44.44 255.255.255.0
> !
> ip rsvp sender-host 22.22.22.22 44.44.44.44 UDP 5000 5000 8 1
> !
> map-class frame-relay PVC_402
> frame-relay cir 64000
> frame-relay mincir 64000
> frame-relay fragment 80
> frame-relay fair-queue
> frame-relay ip rtp priority 16384 16383 16
> !
> interface Serial0/0
> bandwidth 64
> no ip address
> encapsulation frame-relay
> no fair-queue
> frame-relay traffic-shaping
> no frame-relay inverse-arp
> ip rsvp bandwidth 32 16
>
> interface Serial0/0.24 point-to-point
> ip address 136.1.24.4 255.255.255.0
> frame-relay class PVC_402
> frame-relay interface-dlci 402
> ip rsvp bandwidth 32 16
> ip rsvp resource-provider wfq pvc
>
> R2:
>
> interface Loopback100
> ip address 22.22.22.22 255.255.255.0
> !
> ip rsvp reservation-host 22.22.22.22 44.44.44.44 UDP 5000 5000 FF RATE 8 1
> !
> interface Serial0/0
> bandwidth 64
> no ip address
> encapsulation frame-relay
> no fair-queue
> frame-relay traffic-shaping
> no frame-relay inverse-arp
> !
> interface Serial0/0.24 point-to-point
> ip address 136.1.24.2 255.255.255.0
> frame-relay interface-dlci 204
>
> R4#sh ip rsvp installed
> RSVP: Serial0/0.24
> BPS To From Protoc DPort Sport Weight
> Conversation
> 8K 22.22.22.22 44.44.44.44 UDP 5000 5000 6 25
>
> R4#show frame-relay pvc 402
>
> PVC Statistics for interface Serial0/0 (Frame Relay DTE)
>
> DLCI = 402, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> Serial0/0.24
>
> input pkts 1312 output pkts 1374 in bytes 116858
> out bytes 120692 dropped pkts 0 in pkts dropped
> 0
> out pkts dropped 0 out bytes dropped 0
> in FECN pkts 0 in BECN pkts 0 out FECN pkts
> 0
> out BECN pkts 0 in DE pkts 0 out DE pkts 0
> out bcast pkts 1111 out bcast bytes 90624
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 1 packets/sec
> pvc create time 01:20:30, last time pvc status changed 01:20:16
> Queueing strategy: weighted fair
> Current fair queue configuration:
> Discard Dynamic Reserved
> threshold queue count queue count
> 64 16 1
> Output queue size 0/max total 600/drops 0
> fragment type end-to-end fragment size 80
> cir 64000 bc 64000 be 0 limit 1000 interval 125
> mincir 64000 byte increment 1000 BECN response no IF_CONG no
> frags 1352 bytes 119088 frags delayed 0 bytes delayed
> 0
> shaping inactive
> traffic shaping drops 0
> ip rtp priority parameters 16384 32767 16000
>
> HTH
>
> 2006/8/27, Plukkie <plukkie@gmail.com>:
>
> > Hi James,
> >
> > I would do:
> > - frame-relay rtp priority 600 40
> > - fragmenting to reduce latency
> > - fair-que
> > - this all in class map on pvc
> > - traffic shaping
> >
> >
> > On 8/27/06, James Nendel < james.nendel@gmail.com> wrote:
> > >
> > > How can i configure the RSVP for RTP-packet and give priority to RTP
> > > flows?
> > >
> > >
> > > R1-(S0)----FR(DLCI 102 201)---(S0)--R2
> > > FR(DLCI 103 302)---(S0)--R3
> > >
> > >
> > > On R1's S0 , Configure RSVP for Dlci 102, the Total reservation for
> > RTP is
> > > 600kbps and the maximum bandwidth for every Single-flow-kbps is
> > 40Kbps,
> > > Also
> > > how I can do RTP Low Latency?
> > >
> > > Please help
> > > thank!
> > > James
> > >
> > >
> > _______________________________________________________________________
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> >
>
>
>
> --
>
> Petr Lapukhov, CCIE #16379
> petr@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Outside US: 775-826-4344
> 

-- 
Petr Lapukhov, CCIE #16379
petr@internetworkexpert.com

Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987
Outside US: 775-826-4344

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