From: John (jgarrison1@austin.rr.com)
Date: Thu Dec 04 2008 - 13:26:31 ARST
1. I would take critical to mean udp range13684 through 32687? or somthing
close to that range. Sine ip precedence was not mentioned in the question I
would not treat it as such.
2. You will have to use the max-reseved command because the policy-map can
use 100 percent of the bandwidth.
3. since the question does not specify a specific dlci I would take it to
mean that it the policy map can be applied to the interface. A word of
caution, read ahead bvecause a later task might ask you to use a child
policy to a specific dlci.
My .02
----- Original Message -----
From: "mahmoud genidy" <ccie.mahmoud@gmail.com>
To: "Cisco certification" <ccielab@groupstudy.com>
Sent: Thursday, December 04, 2008 8:16 AM
Subject: QoS (CBWFQ) over FR interface
> Hi
>
> I have a QoS scenario over FR link and I'm not sure which way should I go.
>
> The case is as follows.
>
> A Router *R1* with S0/0 configured with FR with two PVC on main interface
> (HUB). It is connected with two other routers R2 & R3 over FR as spokes.
>
> The question says: On *R1* Allocate bandwidth as follows:
>
> - % 25 of S0/0 bandwidth for network 10.1.1.0/24
> - % 35 of S0/0 bandwidth for network 10.1.2.0/24
> - % 30 of S0/0 bandwidth for CRITICAL voice traffic
> - Remaining bandwidth is for Class-Default
>
> My questions are:
>
> - When he says *CRITICAL* voice does this mean in the extended ACL to use
> precedence 5, or it is not necessary as Voice by default is critical
> traffic?
>
> - When he says for example %25 *OF S0/0* does this implies we have to
> configure [ maximum-reserved-bandwidth 100 ] ?
>
> - The interface in question is FR with two PVCs. Does this mean we have to
> apply the service policy through a FR MAP-CLASS with CIR equals S0?)
> bandwidth? Or we can directly apply the service policy on the serial
> interface?
>
> - Is it preffered to configure fair-queue for class-default in this case,
> or
> just leave it as it is?
>
> Thanks in advance for your time.
>
> Mahmoud
>
>
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