Below is a technical explanation of how the remaining bandwidth is treated. 
Also, this is directly off of the Cisco Website. Based on this, you need to 
assign the percent to the default class.

"Thus, remaining bandwidth is shared by all bandwidth classes and 
class-default."

From: [email protected] 
[mailto:[email protected]] On Behalf Of M Jay
Sent: Wednesday, August 12, 2009 11:55 AM
To: IP expert
Subject: [OSL | CCIE_RS] QoS

Hey Experts where are you guys ??? Bryan, Larry, Tyson or any one ????  no 
buddy knows the answer ??? please if any one can explain this to me .....

A question regarding QoS:

Confugure  QoS to corresponding interface. Subscriber's ip address and
bandwidth are as follows :
* SUB_1 : 100.100.0/24 bandwidth  20%
* SUB_2 : 100.100. 2.0/24 bandwidth  30%
* Voice : Critical voice traffic bandwidth 40%
* Class-default : Class-default for remaining bandwidth


I just need to ask what bandwidth I allocate to  Class-Default ? Should I just 
assign it as  fair-queue or need to assign bandwidth of 10 % which is the 
remaining bandwidth

under policy map:

policy-map CBWFQ
class class-default
bandwidth percent 10

or

policy-map CBWFQ
class class-default
fair-queue

and what % bandwidth I need to allocate to the interface


Interface X
max-reserved-bandwidth 90

or

Interface X
max-reserved-bandwidth 100


Plz assist

Thanks




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