Re: Traffic Reserve

From: Martin Dean (nobody@studygroup.com)
Date: Fri Sep 20 2002 - 12:22:35 GMT-3


Two suggestions:
1) Use as map class statement - frame-relay voice bandwidth 'x bps'
The only problem is that individual sessions traffic cannot be defined.
2) RSVP as defined earlier - ip rsvp 'x kbps' 'y kbps' where x is the
max bw to be reserved and y is the max bw for a single session.
The problem with RSVP is that it need to be configured everywhere or at
least along the path for the real-time traffic.
Then you run into problems over a frame relay connection with multiple PVCs.
Some from of queueing needs to be setup, wred or fq - default on serials,
but not LANs
See link
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/qos_
c/qcprt5/qcdrsvp.htm for some (?) more details.

Martin

----- Original Message -----
From: "Desimone, Aurelio" <ADesimone@refco.com>
To: "'Peng Zheng'" <zpnist@yahoo.com>; <ccielab@groupstudy.com>
Sent: Wednesday, September 18, 2002 5:06 PM
Subject: RE: Traffic Reserve

> Sounds like rsvp or wfq/ip rtp priority
>
> 'ip rsvp 400 30'
>
> or
>
> fair-queue 64 64 30 <-- reservable queues
> ip rtp priority 16384 16383 400 <-- max reservable
>
> Some of these commands might have to be put into a map-class to work
> properly; I personally would use RSVP but it requires the application to
> request a reservation.
>
>
> Aurelio
>
> -----Original Message-----
> From: Peng Zheng [mailto:zpnist@yahoo.com]
> Sent: Wednesday, September 18, 2002 10:31 AM
> To: ccielab@groupstudy.com
> Subject: Traffic Reserve
>
>
> R1, R2, R3 connects through Frame relay. R1 is the
> hub.
>
> requirement:
> config PVC on R1:
>
> 1) real-time traffic reserve no more than 400kbps
> 2) each session reserve no more than 30kbgs
>
> Thanks for help.
>
>
> Best Wishes,
> Peng Zheng
>
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