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QoS: bandwidth upload or/and download & IOS

genseb13011
Level 1
Level 1

Hi,

I'd like to implement QoS feature on ADSL interface.

So the upload and download value are different.

  • How can i setup the bandwidth attribute, distinguish upload and download?

Conf:

Interface fastethernet 4

     bandwidth 8000

     service-policy output QoS

policy-map QoS

     class VoIP

          priority 100

     class DATA

          bandwitdh ????        

          fair-queue

  • Where can i download the basic-ios.cfg? (missing command tgn, random-detect, ...

Thanks

1 Reply 1

Ziga M
Level 1
Level 1

Hello,

Bandwidth under interface isn't used for QOS. It's used for routing protocols, STP, statistics and maybe for any other things. If you're missing WRED, I assume your platform and/or IOS doesn't support it. I suggest that you check cisco feature navigator to confirm if your router supports WRED

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

I for example own C861 and I'm also missing this command

If you add "bandwidth" command under policy-map, means you will reserve/allocate this bandwidth for some applications.

if you want to set bandwidth for input and output you need to configure 2 policy-maps. But I don't see the reason for limiting inbound traffic and I trink that you even can't do that.