From: Pavel Bykov (slidersv@gmail.com)
Date: Thu Sep 11 2008 - 19:37:28 ART
Also, try to apply the general policer formula, that is used in IOS by
default:
BC = RATE/32
Which again leads to 128000/32 = 4000
So even if you don't specify the Bc, IOS will use 4000 bytes by default.
On Thu, Sep 11, 2008 at 8:48 PM, Osamah Shaheen <ShaheenO@maaden.com.sa>wrote:
> As my understand:
>
> the maximum TC=125ms.
> Then. Bc=CIR*Tc=128kbps*125/1000=16000bps.
> The question ask for 1/4th of the rate. so bc will equual=16000/4=4000
>
> Hope this make sense.
>
> Sam
>
> ________________________________
>
> From: nobody@groupstudy.com on behalf of last end
> Sent: Thu 11/09/2008 08:10 AM
> To: ccielab@groupstudy.com
> Subject: IEWB Vol2 version4.1 Lab 1 - Task 7.2
>
>
>
> Hi group,
>
> Now, I really struggle with workbook.
> And I can not understand how calculate bc rate on this task.
>
> According to Solution guide, the answer is as below.
> Could you lead me to this answer...
>
> $$$$$$$$$ From Solution guide $$$$$$$$$
>
> R1:
> ip cef
> !
> class-map match-all ICMP
> match protocol icmp
> !
> policy-map POLICE_ICMP
> class ICMP
> police cir 128000 bc 4000
> !
> interface FastEthernet0/0
> service-policy output POLICE_ICMP
>
> $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
>
> Best regards.
> sal
>
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