RE: Re(2): QOS - Simple

From: Scott Morris (swm@emanon.com)
Date: Tue Sep 05 2006 - 08:54:33 ART


Festive... I never paid attention to what MQC did with the reserved queues.
In that case, your other command would be correct.

So if your goal is ONLY the queuing/discard/depth thresholds, then yes both
would be identical.

With MQC, obviously we get much more granular control over different classes
of traffic rather than treating the entire interface as one.

Sorry about the confusion.

Scott

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Angelo De Guzman
Sent: Tuesday, September 05, 2006 4:30 AM
To: ccielab@groupstudy.com; swm@emanon.com
Subject: Re(2): QOS - Simple

Thanks Scott!
   But the sh queueing for both command reveals the same values for Discard
Threshold, Dynamic queues and reserved queues. Can you please explain
further.

R2#sh run | in policy-map
!
policy-map policy1
 class class-default
  fair-queue
  queue-limit 25
!
R2#sh run int s0/0
Building configuration...

Current configuration : 352 bytes
!
interface Serial0/0
 ip address 137.10.45.2 255.255.255.240
 ip authentication mode eigrp 100 md5
 ip authentication key-chain eigrp 100 EIGRPKEY encapsulation frame-relay
no dce-terminal-timing-enable frame-relay map ip 137.10.45.2 204
frame-relay map ip 137.10.45.4 204 broadcast no frame-relay inverse-arp
service-policy output policy1 end R2#sh queueing Current fair queue
configuration:

  Interface Discard Dynamic Reserved Link Priority
                      threshold queues queues queues queues
  Serial0/0 25 256 256 8 1
  Serial0/1 64 256 0 8 1

USING WFQ

!
interface Serial0/0
 ip address 137.10.45.2 255.255.255.240
 ip authentication mode eigrp 100 md5
 ip authentication key-chain eigrp 100 EIGRPKEY encapsulation frame-relay
no dce-terminal-timing-enable fair-queue 25 256 256 frame-relay map ip
137.10.45.2 204 frame-relay map ip 137.10.45.4 204 broadcast no
frame-relay inverse-arp end

R2(config-if)#do sh queueing
Current fair queue configuration:

  Interface Discard Dynamic Reserved Link Priority
                      threshold queues queues queues queues
  Serial0/0 25 256 256 8 1
  Serial0/1 64 256 0 8 1

USING THE Values that you gave it reveals this.

fair-queue 25 256 0

R2#sh queueing
Current fair queue configuration:

  Interface Discard Dynamic Reserved Link Priority
                      threshold queues queues queues queues
  Serial0/0 25 256 0 8 1
  Serial0/1 64 256 0 8 1

Scott Morris (9/5/06 4:15 PM):
>
>To be identical, your first command would be "fair-queue 25 256 0"
>
>The last parameter is the number of reserved queues (default = 0).
>
>HTH,
>
>
>Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
>JNCIE #153, CISSP, et al.
>CCSI/JNCI-M/JNCI-J
>IPExpert VP - Curriculum Development
>IPExpert Sr. Technical Instructor
>smorris@ipexpert.com
>http://www.ipexpert.com
>
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Angelo De Guzman
>Sent: Tuesday, September 05, 2006 2:52 AM
>To: ccielab@groupstudy.com
>Subject: QOS - Simple
>
>Hi,
>
> Is this the same?
>
>1. fair queue 25 256 256
>
>2. policy-map MYPOLICY
> class class-default
> fair-queue
> queue-limit 25
>
>Just want to confirm. If they do how would you call them?
>
>Angelo
>
>
>
>
>
>
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