Excluding certain 5GHz channels.

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  • Updated 3 months ago
So recently ofcom opened up channels 149 - 165 for use in the UK. This is great news and when there is widespread client support we'll be glad to use those channels. For now though there are enough clients that won't use them that we don;t want to make them available on our network.

We're using NG and I cna see under each individual AP I have the option to exclude certain channels. Is there no where more central than this to define the channel set? We can't seriously be expected to go into each AP individually to exclude these channels, surely this should be a setting in the radio profile?
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Paul Smith

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  • frustrated, again.

Posted 3 months ago

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Bill Lundgren, Employee

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Hi Paul,

I'm sorry for your frustration with this.  It is a known limitation within the NG GUI, and we are working on fixing it and several other things in the UI that like you, frustrate me as well.   We know it's not optimal and we're working to get this resolved as soon as possible.  I don't have an exact date yet, but I'm driving some of the clean up of this and a few more optimizations that will be part of an upcoming release.

In the mean time, there is a way you can accomplish what you want, especially if you want to do this across all your AP's.  You can use a feature called "Supplemental CLI"  You can access it from the "Additional Settings" area of your network policy.  

All you need to do is issue the following CLI commands and attach the S-CLI policy to your network policy.  NG will then append these commands to the config, and will exclude the channels for you on the AP.

If you want to do this on the dedicated 5GHz radio of any AP, which we call the "wifi1" interface, 
The command looks like this:

interface wifi1 radio channel exclude xxx

*** where "xxx" is the channel number you want to exclude.  

You can iteratively issue the command.  So for instance, to exclude channels 149-161, what you want to put in the S-CLI is this:

interface wifi1 radio channel exclude 149
interface wifi1 radio channel exclude 153
interface wifi1 radio channel exclude 157
interface wifi1 radio channel exclude 161

Watch the communications tab in NG or the release notes, as we will be fixing this in a future release.  

Hope that helps and thanks for your patience as we continue to make NG and all Aerohive products better and radically more simple.  

Bill Lundgren
Director, Product Management
(Edited)
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Paul Smith

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Thanks for coming back to me Bill. Would I be right in thinking these additional channels have only been made available on certain AP's?

Through the gui I can't exclude or select them for AP150, AP250 or AP550's and none of these have ended up on those channels through ACSP. It is only the 122's that seem to have the option to use them and are choosing to do so.

We are already using supplemental cli quite extensively to do things like force AT power where the 550's and Cisco 2960's don;t come to the right answer left to their own devices and to limit the range of addresses locally that can ssh to the AP's. Appreciate NG is still in early days, hopefully it will mature quite rapidly now.
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Bill Lundgren, Employee

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Hi Paul,

Can you share which version of HiveOS is on the 122 and what's on your other hardware?

Bill
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Paul Smith

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We're running everything on 8.2r1