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auto discovery qos

Posted on 2014-02-22
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I read the Ciscopress book for TSHOOT and it said that before running autoqos, you need to run auto discovery qos 3 to 4 days.. Is that true? I have an Cisco environment with 2960s and 3750s. Thanks
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Question by:leblanc
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by:Craig Beck
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You don't have to run discovery to use Auto-QoS, but it would help if you want to tune it somewhat to your particular deployment.
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Soulja earned 167 total points
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Yes, you want to run auto discovery for several days so that it can track your traffic patterns. This way when auto qos is applied, it would configure the appropriate settings for your environment. Highly suggested.
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by:leblanc
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That will be a problem because I have to configure in my office first before shipping to the remote locations and it has to be in production.
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by:Soulja
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You can't access the switch when it's in the remote location?
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by:leblanc
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I can. But the building is a new building and the network has to be up ad running before the servers can go in. But once the servers are going in, business will start. So I cannot have my switches run autodiscovery for 2 days.
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by:Soulja
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I guess I don't understand why that is an issue. Autodiscovery won't hinder the network.  That's the whole point of running it on your live network.
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by:leblanc
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But don't you want to tun autodiscovery when you have all applications up and running.
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by:Craig Beck
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Yes, running autodiscovery on a dumb network won't help.  You need to do it when the network is in use.
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by:leblanc
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From my previous post, I meant you don't want to run autodiscovery when no applications are up and running :)
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by:Soulja
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Craig is correct. If nothing is going on. There is no point to run it. When you stated you were sending it to a remote office. My assumption was the office was already in production and you were just adding this switch.
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by:leblanc
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Sure. But I did not know that autodiscovery is a requirement before running autoQoS.
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by:Craig Beck
Craig Beck earned 333 total points
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As I said in my first post, it's not a mandatory requirement, but it is something you'd want to do.

Sure you can turn AutoQoS on, but it won't work optimally without autodiscovery.

It's the same principle as many other technologies - STP will work if you turn it on, but it might not be optimal.
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