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08-11-2023 05:26 AM
Hi,
After an upgrade to 8.10.183.0, I have got the following message "Invalid DCA pair configured. Please make sure to add the valid pair." while trying to change Channel Assignment Method setting under Wireless > 802.11[a or b] > RRM > Dynamic Channel Assignment (DCA).
What is a "DCA pair", what is a "valid pair" ?
Thanks in advance for your help.
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Wireless LAN Controller
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08-11-2023 06:47 AM
Hi @TeamVV
You need to use the paris like below.
-
apf80211AChannel40Mhz_t dot11AChannelAll_40 = {APF_80211A_TOTAL_NUM_40MHZ_CHANNELS, {{36,40},{44,48},{52,56},{60,64},{100,104},{108,112},{116,120}, {124,128}, {132,136}, {140,144}, {149,153}, {157,161}, {169,173}}};
-
apf80211AChannel80Mhz_t dot11AChannelAll_80 = {APF_80211A_TOTAL_NUM_80MHZ_CHANNELS, {{ 36, 40, 44, 48}, { 52, 56, 60, 64}, {100,104,108,112},{116,120,124,128}, {132,136,140,144}, {149,153,157,161},{165,169,173,177}}};
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apf80211AChannel160Mhz_t dot11AChannelAll_160 = {APF_80211A_TOTAL_NUM_160MHZ_CHANNELS, {{ 36, 40, 44, 48, 52, 56, 60, 64}, {100,104,108,112,116,120,124,128}}};
You ca refer to
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08-11-2023 06:47 AM
Hi @TeamVV
You need to use the paris like below.
-
apf80211AChannel40Mhz_t dot11AChannelAll_40 = {APF_80211A_TOTAL_NUM_40MHZ_CHANNELS, {{36,40},{44,48},{52,56},{60,64},{100,104},{108,112},{116,120}, {124,128}, {132,136}, {140,144}, {149,153}, {157,161}, {169,173}}};
-
apf80211AChannel80Mhz_t dot11AChannelAll_80 = {APF_80211A_TOTAL_NUM_80MHZ_CHANNELS, {{ 36, 40, 44, 48}, { 52, 56, 60, 64}, {100,104,108,112},{116,120,124,128}, {132,136,140,144}, {149,153,157,161},{165,169,173,177}}};
-
apf80211AChannel160Mhz_t dot11AChannelAll_160 = {APF_80211A_TOTAL_NUM_160MHZ_CHANNELS, {{ 36, 40, 44, 48, 52, 56, 60, 64}, {100,104,108,112,116,120,124,128}}};
You ca refer to
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08-11-2023 08:04 AM
Hi @Flavio Miranda , thank you very much for the quick answer. Now I get it.
I think my problem comes from the fact that the last channel available in my case is channel 140. It can't be paired with channel 144 which is not present. That's my best guess since I can't unselect channel 140 from channels list, due to a lack of maintenance window, and try again.
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08-11-2023 08:15 AM
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08-13-2023 11:30 PM
@Flavio Miranda no I can't. Channels 144 to 173 are not allowed in my location.
