02-14-2021 02:24 AM - edited 07-05-2021 01:14 PM
Hello
I have On site a cluster of WLC 5508+HA
and it works with iOS 8.5.161
now I have another new cluster of WLC 3504+HA of iOS 8.10 and need to do mobility group between both clusters
I read that we can do mobility group of different IOS but will have some limitation for L3 and L2 client roaming? Also if controller fails and other controller in different IOS that will make clients
Disconnect
Regarding controller failover ... there’s already HA controller of same model and iOS for each cluster
my question is related to the limitation of L2 & L3 for roaming?
what is that limitation?!
02-14-2021 02:03 PM
You should be good with creating mobility peering between those WLCs. It is generally recommended code version be relatively close rather you mix too old & new software versions in the same mobility group. Since 8.5.x and 8.10.x are two long live codes, I do not expect you to have any issues.
HTH
Rasika
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02-15-2021 01:42 AM
Thanks Rasika
However I still wounder what 's Limiation for L2 and L3 roaming ?
02-16-2021 08:10 AM
One issue I had (long in the past) was that if you had DHCP Required enabled on the SSID the roaming sometimes didn't work between the controllers. Disabling that helped me. But that was quite a while ago (I think still on 7.x code, or very early 8.x).
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