From: Eric Leung (eric.lwc@gmail.com)
Date: Sun Nov 02 2008 - 03:05:50 ARST
Hi Wittawat,
here's an excellent link you can find out more about 'bandwidth remaining
percent":
HTH,
Eric
2008/10/31 Wittawat H. <wittawat.h@tangerine.co.th>
> Dear All,
>
> I'd like to apologize for my mistake in this sentence.
>
> because I used "bandwidth" command, not "bandwidth percent" one.
>
> It should be
>
> because I used "bandwidth percent" command, not "bandwidth remaining
> percent" one.
>
> Best Regards,
> Wittawat H.
>
> ---------- Forwarded message ----------
> From: Wittawat H. <wittawat.h@tangerine.co.th>
> Date: Fri, Oct 31, 2008 at 1:08 PM
> Subject: QoS Shaping Hierarchical Policy Maps issue !!!
> To: ccielab@groupstudy.com
>
>
> Dear All,
>
> Please help me to clarify this configuration that stated below.
>
> policy-map child
> class x
> bandwidth percent 50
> class y
> bandwidth percent 20
> class z
> bandwidth percent 10
>
> policy-map parent
> class class-default
> shape average 384000
> service-policy child
>
> int s0/0
> service out parent
>
> In my opinion, I think that traffic that going out of interface serial 0/0
> is rate-limited to 384 kbps total. and then
>
> class x should get minimum bandwidth guaranteed to 384 kbps x 0.5,
> class y should get minimum bandwidth guaranteed to (384 kbps x 0.5) x 0.2
> class z should get minimum bandwidth guaranteed to ((384 kbps x 0.5) x 0.2)
> x 0.1
>
> because I used "bandwidth" command, not "bandwidth percent" one.
>
> But, according to "Implementing Cisco Quality of Service" volume 2, version
> 2.2 study guide, it stated that
>
> class x get minimum bandwidth guaranteed to 384 kbps x 0.5 = 192 kbps
> class y get minimum bandwidth guaranteed to 384 kbps x 0.2 = 76.8 kbps
> class z get minimum bandwidth guaranteed to 384 kbps x 0.1 = 38.4 kbps
>
> So, these result made me confusing about "bandwidth percent" command
> accompany with shaping hierarchical policy map.
>
> Thank you in advance.
>
> Best Regards,
> Wittawat H.
>
>
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