From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Sun Aug 27 2006 - 05:03:59 ART
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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>
> _______________________________________________________________________
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>
-- Petr Lapukhov, CCIE #16379 petr@internetworkexpert.comInternetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Outside US: 775-826-4344
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