I just labbed it up and got the same results

 

I would say that you got the points.

 

From: [email protected]
[mailto:[email protected]] On Behalf Of Chris Fata
Sent: October-31-10 12:58 PM
To: ([email protected])
Subject: [OSL | CCIE_RS] Question

 

All,

 

On Volume 1 Lab 23 Section 23.3 your are asked to configure RED on interface
serial 0/1/0 on R6 with the following policy information...

 

Traffic marked with Precedence 0,3, or 5 set the following:

                Threshold between 10 - 40 and a mark  probability
denominator of 10

 

I understand there are multiple ways to do any configuration, but my answer
is different from what the solution was.  In asking other colleges of mine,
it was believed that the solution may be incorrect because they may be
looking for a certain way to configure the solution.

 

The lab solution was:

 

Interface serial 0/1/0

Random-detect

Rand prec 0 10 40 10

Rand prec 3 10 40 10

Rand prec 5 10 40 10

 

In my solution I used the MQC with a configuration of:

 

class-map match-all Red

 match  precedence 0  3  5 

!

!

policy-map Red

 class Red

  bandwidth 64

  random-detect

  random-detect precedence 0   10    40    10   

  random-detect precedence 3   10    40    10   

  random-detect precedence 5   10    40    10

 

interface serial 0/1/0

service-policy output Red

 

The output of each solution shows the exact same end result for each..

 

  class    Transmitted      Random drop      Tail drop    Minimum Maximum
Mark

              pkts/bytes pkts/bytes pkts/bytes thresh  thresh  prob

      0     115/37490   0/0              0/0           10      40  1/10

      1       0/0               0/0              0/0           22      40
1/10

      2       0/0               0/0              0/0           24      40
1/10

      3       0/0               0/0              0/0           10      40
1/10

      4       0/0               0/0              0/0           28      40
1/10

      5       0/0               0/0              0/0           10      40
1/10

      6       0/0               0/0              0/0           32      40
1/10

      7       0/0               0/0              0/0           34      40
1/10

   rsvp       0/0            0/0              0/0           36      40  1/10

 

Thoughts?  What is being tested here, the fact that I got it working with
the same end result or the method of how I accomplished the task?  Just
trying to get my mind in the correct frame of mind for exam day.

 

 

 

Kind regards.

 

Christopher Fata | 517.819.4713 | CCIE Written, CCNP, MCSE | netech |
www.netechcorp.com

 


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