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DaveKall42

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Migration for Cisco wlc2504 to another wlc2504

I am doing a migration from one wlc2504 to another wlc2504.  I have copied the config to the new one. I have rebooted my access points but none of them are showing up?  The config did take with the upload.  Not sure what I am missing.  Hoping someone might have an idea as to what I am missing?
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Craig Beck
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DaveKall42

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Swtich port is identical as I am using the same port as the old.
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DaveKall42

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Ok so old controller is 7.6.100 and the new controller is 7.0.220.  I bet I need to upgrade the new controller to the 7.6.100 right?
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Craig Beck
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Bingo! :-)
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DaveKall42

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What if I updated the new controller to v8.x would that work?
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Craig Beck
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Yes, but be careful.  Some APs aren't supported in v8 code.

Also, your supported APs will join and download the new code first before being usable.

What APs do you have?
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DaveKall42

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I did it and they all came up.  I didn't have a choice because the code I needed was deferred and I could not download.
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Craig Beck
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Sounds good :-)
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DaveKall42

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question for you.  If you have 2 controllers district wide and you put in a DNS entry for WLC-CAPWAP-CONTROLLER to point to a WLC how can I setup DNS to work so that I can have 2 separate controllers for new access points?
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Craig Beck
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Using DNS is usually considered a global method.  DHCP is preferred as you can specify option 43 per scope and specify different WLCs if you want to.

If you do use DNS you could put all APs on one WLC then use the High Availability tab per AP to move specific APs to the other WLC.
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DaveKall42

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I did put in option 43 but it doesn't seem to be working for the new AP.  I might have done it wrong. Do you have an info on that?  Server 2008 R2 DHCP
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DaveKall42

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So here is my question for you.  Does it matter in the first part what AP type I put in the hex?
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DaveKall42

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We have AIR1601i's.
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Craig Beck
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In the hex you need to put f104 if you're only providing one WLC IP.
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DaveKall42

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I just noticed that.  I can use the 043 vendor specific right?  I don't have to create a whole new vendor class do I?
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Craig Beck
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You need to do it exactly as per the doc or it won't work.