Josh,

Make sure to choose a center channel on the AP that's in the scan list of the 
stations. They stations have default scan lists if none is specified. I mention 
this because I learned this lesson Saturday morning.  I think this is more 
common on UBNT radio cards, which is what we have in these radios with the 
issue  We had a PTMP section with 5ghz-turbo set and it was on 5760. I moved 
the stations to plan 5ghz which would be 20 mhz channel size and put it back on 
5760 and the stations didn't reconnect. I tried 5800 and that didn't work 
either. I then tried 5805 and they connected. This is all from memory and so 
the frequencies may be off. But you get the picture. Just because the UBNT 
radios show a channel for use, it doesn't mean the remote end will connect. 

BTW, it was good meeting you in Vegas.

Justin

On Oct 24, 2011, at 4:53 PM, Josh Luthman wrote:

> I am trying to change my 5ghz APs to save on spectrum.  I have one AP
> with 3 customers, A B and C.  On all three I see 5ghz-10 as a wireless
> mode option in the GUI/Winbox.  I changed the three to 5ghz-10 mode,
> then the AP, and lost C.
> 
> Is there a way to identify what cards are compatible?  I'm looking to
> build my own chart if needed.  To do this I need to figure out what
> cards are in the customers' radios.
> 
> (yes or no denotes if there is an HT tab for two chains)
> 00:0C:42:65:90:50     Wireless (Atheros 11N)  yes     no chip info?
> 00:0C:42:61:1B:1B     Wireless (Atheros 11N)  yes     mac:0x80/0x2, phy:0xd0,
> a5:0xc0, a2:0x0, eeprom:0x0
> #believe this is an xr5, almost certain
> 00:15:6D:65:D3:2C     Wireless (Atheros AR5413)       no      mac:0xa/0x5, 
> phy:0x61,
> a5:0x63, a2:0x0, eeprom:0x5003
> 
> The AP is an xr5, I am positive.  This is obviously compatible with 10
> Mhz channels.
> 
> Josh Luthman
> Office: 937-552-2340
> Direct: 937-552-2343
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
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> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

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