upgrade WLC from 7.3.112.0 to 7.6

[Mathieu Sturm]

Has anyone did an upgrade (from 7.3.112.0) to 7.6?

Has anyone experienced problems with version 7.6? If so, what version do you recommend?

[Sandeep Choudhary]

Hi Mathieu,

Persoanll  will recomamnd to go for 7.6 version.

Many bugs in 7.5 and  that 7.5 will not get any MR releases, while 7.6 will.

So better to go for 7.6

regards

[Stephen Rodriguez · Accepted solution]

There have been some reported issues with 7.6 and client connectivity on 7.6.

Unless you have 3700 series AP, or need a new feature that is only in 7.6, I would recommend that you go to the lastest release in the 7.4 train.

HTH,
Steve

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[Scott Fella · Accepted solution]

Yes... There are issues

https://supportforums.cisco.com/thread/2233768

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[Mathieu Sturm]

Hey Scott, 

We are looking at the 2700 series. I saw that I should upgrade to 7.6.120. Are there known bugs I should worry about?

[Leo Laohoo]

7.6.120.X has a lot more stability.  I'd recommend you upgrade if necessary.  

Not sure when 8.X is going to be available.  If you want to wait until then ...

[Mathieu Sturm]

Thanks for the reply Leo ;).

Does anyone have experience with the new 2700 series?

[Mathieu Sturm]

Does version 7.4 support the newest iOS firmware? That's the reason we want to upgrade. We don't have 3700 yet, but were looking at them today. Do you think that version 7.4 will in the long time support the newest iOS firmware as well?

[Scott Fella]

3700's require v7.6, v7.4 will not work.  v7.4 will be supported for a while, its the AP's that you need to make sure is supported by the code you put on the WLC.

Thanks,

Scott

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[Rasika Nayanajith]

In 7.4, go for 7.4.121.0 release. Here is  the release note for this code

http://www.cisco.com/en/US/docs/wireless/controller/release/notes/crn74mr02.html

If you are using 5508, make sure your WLC FUS also upgraded to 1.7.0.0. This will usually takes 30-40 min downtime to your wireless, so get enough outage organise for this change.

http://www.cisco.com/en/US/docs/wireless/controller/release/notes/fus_rn_1_7_0_0.html

HTH

Rasika

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[Saravanan Lakshmanan]

Fus 1.9 is released.

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[Scott Fella]

Is this new FUS a requirement? Just wanted to get your input:)

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[Saravanan Lakshmanan · Accepted solution]

upgraded boot loader, fpga, mcu,.... and some defects are fixed.

[Scott Fella]

Saravanan,

Always a pleasure to get your feedback!!!

Thanks,

Scott

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[Mathieu Sturm]

So I can conclude we have to wait for a more stable release of 7.6 or to install the latest 7.4 and don't have full support for ios 7.x?