From: Zack Damen (zack@supertux.com)
Date: Tue Apr 13 2004 - 13:39:02 GMT-3
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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