802.11a/n

Grant emailgrant at gmail.com
Tue Aug 16 01:03:00 EDT 2011


>> A lot of the info I gave below is incorrect.  I've been switching
>> between a bg card and the SR71-E abgn card and I forgot which one I
>> had installed.  The SR71-E always lists both 2.4Ghz channels and 5Ghz
>> channels with 'iwlist wlan0 channel' but I always get the "Configured
>> channel not found from the channel list of current mode" error when
>> trying to start hostapd with a 5Ghz channel.
>
> iwlist is an old tool that does not give the needed channel information;
> you'll need to use iw (e.g., "iw list") for that. The 5 GHz channels in
> the iwlist output are likely enabled only for station mode operations.

Thank you.  I get the following, it looks like the 5Ghz channels should work?

# iw list
Wiphy phy0
	Band 1:
		Capabilities: 0x11ce
			HT20/HT40
			SM Power Save disabled
			RX HT40 SGI
			TX STBC
			RX STBC 1-stream
			Max AMSDU length: 3839 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 8 usec (0x06)
		HT TX/RX MCS rate indexes supported: 0-15
		Frequencies:
			* 2412 MHz [1] (19.0 dBm)
			* 2417 MHz [2] (19.0 dBm)
			* 2422 MHz [3] (19.0 dBm)
			* 2427 MHz [4] (19.0 dBm)
			* 2432 MHz [5] (19.0 dBm)
			* 2437 MHz [6] (19.0 dBm)
			* 2442 MHz [7] (19.0 dBm)
			* 2447 MHz [8] (19.0 dBm)
			* 2452 MHz [9] (19.0 dBm)
			* 2457 MHz [10] (19.0 dBm)
			* 2462 MHz [11] (19.0 dBm)
			* 2467 MHz [12] (disabled)
			* 2472 MHz [13] (disabled)
			* 2484 MHz [14] (disabled)
		Bitrates (non-HT):
			* 1.0 Mbps
			* 2.0 Mbps (short preamble supported)
			* 5.5 Mbps (short preamble supported)
			* 11.0 Mbps (short preamble supported)
			* 6.0 Mbps
			* 9.0 Mbps
			* 12.0 Mbps
			* 18.0 Mbps
			* 24.0 Mbps
			* 36.0 Mbps
			* 48.0 Mbps
			* 54.0 Mbps
	Band 2:
		Capabilities: 0x11ce
			HT20/HT40
			SM Power Save disabled
			RX HT40 SGI
			TX STBC
			RX STBC 1-stream
			Max AMSDU length: 3839 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 8 usec (0x06)
		HT TX/RX MCS rate indexes supported: 0-15
		Frequencies:
			* 5180 MHz [36] (19.0 dBm) (passive scanning, no IBSS)
			* 5200 MHz [40] (19.0 dBm) (passive scanning, no IBSS)
			* 5220 MHz [44] (19.0 dBm) (passive scanning, no IBSS)
			* 5240 MHz [48] (19.0 dBm) (passive scanning, no IBSS)
			* 5260 MHz [52] (disabled)
			* 5280 MHz [56] (disabled)
			* 5300 MHz [60] (disabled)
			* 5320 MHz [64] (disabled)
			* 5500 MHz [100] (disabled)
			* 5520 MHz [104] (disabled)
			* 5540 MHz [108] (disabled)
			* 5560 MHz [112] (disabled)
			* 5580 MHz [116] (disabled)
			* 5600 MHz [120] (disabled)
			* 5620 MHz [124] (disabled)
			* 5640 MHz [128] (disabled)
			* 5660 MHz [132] (disabled)
			* 5680 MHz [136] (disabled)
			* 5700 MHz [140] (disabled)
			* 5745 MHz [149] (19.0 dBm) (passive scanning, no IBSS)
			* 5765 MHz [153] (19.0 dBm) (passive scanning, no IBSS)
			* 5785 MHz [157] (19.0 dBm) (passive scanning, no IBSS)
			* 5805 MHz [161] (19.0 dBm) (passive scanning, no IBSS)
			* 5825 MHz [165] (19.0 dBm) (passive scanning, no IBSS)
		Bitrates (non-HT):
			* 6.0 Mbps
			* 9.0 Mbps
			* 12.0 Mbps
			* 18.0 Mbps
			* 24.0 Mbps
			* 36.0 Mbps
			* 48.0 Mbps
			* 54.0 Mbps
	max # scan SSIDs: 4
	max scan IEs length: 2257 bytes
	Coverage class: 0 (up to 0m)
	Available Antennas: TX 0 RX 0
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * WDS
		 * monitor
		 * P2P-client
		 * P2P-GO
	Supported commands:
		 * new_interface
		 * set_interface
		 * new_key
		 * new_beacon
		 * new_station
		 * set_bss
		 * authenticate
		 * associate
		 * deauthenticate
		 * disassociate
		 * join_ibss
		 * remain_on_channel
		 * set_tx_bitrate_mask
		 * action
		 * frame_wait_cancel
		 * set_wiphy_netns
		 * set_channel
		 * set_wds_peer
		 * connect
		 * disconnect
	Supported TX frame types:
		 * IBSS: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070
0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * managed: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070
0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * AP: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070
0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * AP/VLAN: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070
0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * mesh point: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060
0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * P2P-client: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060
0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
		 * P2P-GO: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070
0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
	Supported RX frame types:
		 * IBSS: 0x00d0
		 * managed: 0x0040 0x00d0
		 * AP: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
		 * AP/VLAN: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
		 * mesh point: 0x00d0
		 * P2P-client: 0x0040 0x00d0
		 * P2P-GO: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0

- Grant


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