From: simon hart (simon@harttel.com)
Date: Tue Aug 30 2005 - 16:06:23 GMT-3
Hey Tim,
Getting into the swing of things again.
Your question below will depend on other factors, however looking straight
off they are not the same.
When applying a policy to an ethernet interface the IOS will default the
available bandwidth to the 75% of the actual interface bandwidth. Therefore
Bandwidth 2500 does not equate to 25% of the bandwidth but will equate to
(2500/7500) * 100 = 33.33%
Whereas applying Bandwidth percent 25 will equate to 25% of 75% of available
interface bandwidth = 1875
Now if you were to apply the following command to interface e0
max-reserved-bandwidth 100
Then both bandwidth 2500 and bandwidth percent 25% would be equivalent
In the exam I would err on the side of caution and use the bandwidth percent
25. Also for good measure would probably ask the proctor for clarity.
Simon
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
ccie2be
Sent: 29 August 2005 20:06
To: Group Study
Subject: absolute or percentage - will it cost points?
Hi guys,
Here's another interpretation question.
If told to reserve 25% of the bandwidth on a ethernet interface for a
certain type of traffic, will both of the below config's score points?
policy-map
class xxx
bandwidth percent 25
policy-map
class xxx
bandwidth 2500
From a network point of view, they both accomplish the same exact thing, but
from a lab scoring point of view, are they both equal?
TIA, Tim
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