From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Apr 13 2004 - 22:15:59 GMT-3
Zack,
If you are doing per-VC queueing (i.e. via FRTS) then the output
queue of one VC is independent of the output queue of another.
Furthermore the "available bandwidth" value of a VC is then based on the
"frame-relay mincir" value.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Zack Damen
> Sent: Tuesday, April 13, 2004 11:39 AM
> To: gladston@br.ibm.com; ccielab@groupstudy.com
> Subject: Re: RE: Bandwidth Available
>
> Can some one explain to me how you would do this in regards to
> sub-interface on a frame-relay circuit. Lets say that you have a 512
pvc,
> and you want to allocate the normal 25% of that for OSPF network
control
> traffic, and the rest of the 75 % of the traffic to VoIP. My question
is
> if
> the bandwidth is calculated out of the phyical interface at 1536, and
you
> have this 512 sub on that interface, how do you do the calculation in
> terms
> of the PVC without putting on FRTS.
>
> so that I have out of 512, 128k goes to ospf network control traffic,
> 384k
> to VoIP? I guess I don't understand what happens with the network
control
> traffic on sub interface when you want 25% of the sub to go to lets
say
> ospf with out touching the max controlled bandwidth.
>
> ZD
>
>
> At 08:29 AM 4/13/2004, gladston@br.ibm.com wrote:
> >Thanks,
> >
> >The doc says:
> >
> >"Essentially, you are specifying the ratio of the bandwidth to be
> >allocated to the traffic class.... The sum of the numbers used to
> indicate
> >this ratio cannot exceed 100 percent."
> >
> >"By default, when the bandwidth percent and priority percent commands
are
> >used to allocate bandwidth, the sum of the bandwidth percentage
allocated
> >to the high priority traffic and the bandwidth percentage allocated
to
> the
> >non-priority traffic cannot exceed 75 percent of the total bandwidth
> >available on the interface."
> >
> >If I understood, if you configure just bandwidth percent, it is
possible
> >to configure up to 100%. If you configure bandwidth percent +
priority
> >percent, percent should be less than 75%.
> >I can not see the logical on this. For example, if configuring:
> >
> >class VOICE
> >priority percent 10
> >class FTP
> >bandwitdh percent 65
> >
> >You are reserving 25% for control protocols. It is not allowed to
> >configure more than 65% to FTP traffic
> >
> >If configuring
> >class FTP
> >bandwidth percent 100%
> >
> >What does happen with the control protocols?
> >
>
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