Wireless Access

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MVP Expert

Re: mesh link unstable

What country then? You can run 'show ap allowed-channels country-code us ap-type XXX' to see where there are overlaps or gaps. See example below

 

#####

(Aruba7005) #show ap allowed-channels country-code us ap-type 275

 

Allowed Channels for AP Type 275 Country Code "US" Country "United States"

--------------------------------------------------------------------------

PHY Type                 Allowed Channels

--------                 ----------------

802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11

802.11a (indoor)         52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165

802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11

802.11a (outdoor)        52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165

802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (indoor)    52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161

802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (outdoor)   52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161

802.11a 80MHz (indoor)    52-64 100-112 132-144 149-161

802.11a 80MHz (outdoor)   52-64 100-112 132-144 149-161

802.11a (DFS)            52 56 60 64 100 104 108 112 116 132 136 140 144

 

(Aruba7005) #show ap allowed-channels country-code us ap-type 277

 

Allowed Channels for AP Type 277 Country Code "US" Country "United States"

--------------------------------------------------------------------------

PHY Type                 Allowed Channels

--------                 ----------------

802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11

802.11a (indoor)         36 40 44 48 149 153 157 161 165

802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11

802.11a (outdoor)        36 40 44 48 149 153 157 161 165

802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (indoor)   36-40 44-48 149-153 157-161

802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (outdoor)  36-40 44-48 149-153 157-161

802.11a 80MHz (indoor)   36-48 149-161

802.11a 80MHz (outdoor)  36-48 149-161

802.11a (DFS)            None

 

(Aruba7005) #

#####


Jerrod Howard
Distinguished Technologist, TME
Highlighted
MVP Expert

Re: mesh link unstable

You can run the following to see for your country, and where there is overlap use those on the portal. 

 

#####

(Aruba7005) #show ap allowed-channels country-code us ap-type 275

 

Allowed Channels for AP Type 275 Country Code "US" Country "United States"

--------------------------------------------------------------------------

PHY Type                 Allowed Channels

--------                 ----------------

802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11

802.11a (indoor)         52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165

802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11

802.11a (outdoor)        52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165

802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (indoor)    52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161

802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (outdoor)   52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161

802.11a 80MHz (indoor)    52-64 100-112 132-144 149-161

802.11a 80MHz (outdoor)   52-64 100-112 132-144 149-161

802.11a (DFS)            52 56 60 64 100 104 108 112 116 132 136 140 144

 

(Aruba7005) #show ap allowed-channels country-code us ap-type 277

 

Allowed Channels for AP Type 277 Country Code "US" Country "United States"

--------------------------------------------------------------------------

PHY Type                 Allowed Channels

--------                 ----------------

802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11

802.11a (indoor)         36 40 44 48 149 153 157 161 165

802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11

802.11a (outdoor)        36 40 44 48 149 153 157 161 165

802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (indoor)   36-40 44-48 149-153 157-161

802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11

802.11a 40MHz (outdoor)  36-40 44-48 149-153 157-161

802.11a 80MHz (indoor)   36-48 149-161

802.11a 80MHz (outdoor)  36-48 149-161

802.11a (DFS)            None

#####


Jerrod Howard
Distinguished Technologist, TME
Highlighted
MVP Expert

Re: mesh link unstable

You can run the following command for your country code to determine where there is overlap and assign the portal to that.

(Aruba7005) #show ap allowed-channels country-code us ap-type 275

Allowed Channels for AP Type 275 Country Code "US" Country "United States"
--------------------------------------------------------------------------
PHY Type                 Allowed Channels
--------                 ----------------
802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11
802.11a (indoor)         52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165
802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11
802.11a (outdoor)        52 56 60 64 100 104 108 112 116 132 136 140 144 149 153 157 161 165
802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (indoor)    52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161
802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (outdoor)   52-56 60-64 100-104 108-112 132-136 140-144 149-153 157-161
802.11a 80MHz (indoor)    52-64 100-112 132-144 149-161
802.11a 80MHz (outdoor)   52-64 100-112 132-144 149-161
802.11a (DFS)            52 56 60 64 100 104 108 112 116 132 136 140 144

(Aruba7005) #show ap allowed-channels country-code us ap-type 277

Allowed Channels for AP Type 277 Country Code "US" Country "United States"
--------------------------------------------------------------------------
PHY Type                 Allowed Channels
--------                 ----------------
802.11g (indoor)         1 2 3 4 5 6 7 8 9 10 11
802.11a (indoor)         36 40 44 48 149 153 157 161 165
802.11g (outdoor)        1 2 3 4 5 6 7 8 9 10 11
802.11a (outdoor)        36 40 44 48 149 153 157 161 165
802.11g 40MHz (indoor)   1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (indoor)   36-40 44-48 149-153 157-161
802.11g 40MHz (outdoor)  1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (outdoor)  36-40 44-48 149-153 157-161
802.11a 80MHz (indoor)   36-48 149-161
802.11a 80MHz (outdoor)  36-48 149-161
802.11a (DFS)            None


Jerrod Howard
Distinguished Technologist, TME
Highlighted
MVP Expert

Re: mesh link unstable

Testing, am having posting issues using Chrome, had to switch to Firefox.


Jerrod Howard
Distinguished Technologist, TME
Highlighted
Regular Contributor I

Re: mesh link unstable

I have set a single channel in the AP system profile but the Devices are not using this - Does it also need to be set in another profile?

Highlighted
Guru Elite

Re: mesh link unstable

If you are using 20 mhz channels, you are supposed to use a single channel in the regulatory domain profile. If you are using 40 mhz channels, you need to choose a single channel pair. If you are using 80 mhz channels, you need to choose a single 4-channel set.

*Answers and views expressed by me on this forum are my own and not necessarily the position of Aruba Networks or Hewlett Packard Enterprise.*
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Highlighted
Regular Contributor I

Re: mesh link unstable

I'm not sure what you mean by "If you are using". I have selected one channel as previous posts have suggested - is this correct or not? if not what do I need to do to apply this suggestion?

Highlighted
Guru Elite

Re: mesh link unstable

The administrator has the option of deciding if they are using 20 mhz, 40 mhz or 80 mhz channels.  The ARM profile decides your channel width.  After that, the regulatory domain profile then decides, based on the channel width, what channels are available for use.

 

 Below is the default ARM profile.

- If "allowed bands for 40 mhz channels" is set to a-only and "80Mhz support" is selected, you are using 80 Mhz channels on the 5ghz band.

- If "80Mhz channels" is unchecked and "allowed bands for 40Mhz channels" is set to "a-only" you are using 40Mhz channels on the 802.11a  or 5ghz band.

- If "80Mhz channels" is unchecked and "allowed bands for 40Mhz channels" is set to "none" you are using 20Mhz channels on the 802.11a or 5 ghz band.

arm-profile.png

 

Depending on the choices above determines what section of the regulatory domain profile is selected.  If I chose a 20Mhz channel width above, with the regulatory domain profile below, my access points will be on channel 36.  If I chose a 40Mhz channel width above, my access points will be on channel 44+ or 48- based on the regulatory domain profile below.  If I chose an 80Mhz channel width above, my access points will be on channel 149E based on the regulatory domain profile below.

channel-width.png


*Answers and views expressed by me on this forum are my own and not necessarily the position of Aruba Networks or Hewlett Packard Enterprise.*
ArubaOS 8.5 User Guide
InstantOS 8.5 User Guide
Airheads Knowledgebase
Airheads Learning Videos
Aruba Central Documentation
ArubaOS Consolidated Release Notes
Aruba Technical Webinars
Highlighted
Regular Contributor I

Re: mesh link unstable

Thank you for the explanation, I've now set them on a single 20MHz channel separated them into separate rooms and turned the power down. I'll evaluate and see what happens.

Highlighted
Regular Contributor I

Re: mesh link unstable

OK, so the devices have been up for nearly 24hours - does this mean that a mesh network will only be stable if set to a single backhaul channel? This seems a bit limited.

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