mdoc(7) police: fix markup.
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@ -50,53 +50,53 @@
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.Nm
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.Fl i Ar iface Fl C
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.Nm
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.Fl i Ar iface Fl t Ar 0|1|2|3|4
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.Fl i Ar iface Fl t Cm 0 | 1 | 2 | 3 | 4
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.Nm
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.Fl i Ar iface Fl s Ar 0|1|2|3
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.Fl i Ar iface Fl s Cm 0 | 1 | 2 | 3
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.Nm
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.Fl i Ar iface
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.Op Fl v Ar 1|2|3|4
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.Op Fl v Cm 1 | 2 | 3 | 4
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.Fl a Ar AP
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.Nm
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.Fl i Ar iface Fl b Ar beacon period
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.Fl i Ar iface Fl b Ar beacon_period
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.Nm
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.Fl i Ar iface
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.Op Fl v Ar 0|1
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.Fl d Ar 0|1|2|3
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.Op Fl v Cm 0 | 1
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.Fl d Cm 0 | 1 | 2 | 3
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.Nm
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.Fl i Ar iface Fl e Ar 0|1|2|4
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.Fl i Ar iface Fl e Cm 0 | 1 | 2 | 3
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.Nm
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.Fl i Ar iface
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.Op Fl v Ar 0|1|2|3|4|5|6|7
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.Op Fl v Cm 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
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.Fl k Ar key
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.Nm
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.Fl i Ar iface
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.Fl K Ar mode
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.Fl K Cm 0 | 1 | 2
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.Nm
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.Fl i Ar iface
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.Fl W Ar mode
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.Fl W Cm 0 | 1 | 2
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.Nm
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.Fl i Ar iface Fl j Ar netjoin timeout
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.Fl i Ar iface Fl j Ar netjoin_timeout
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.Nm
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.Fl i Ar iface Fl l Ar station name
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.Fl i Ar iface Fl l Ar station_name
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.Nm
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.Fl i Ar iface Fl m Ar mac address
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.Fl i Ar iface Fl m Ar mac_address
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.Nm
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.Fl i Ar iface
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.Op Fl v Ar 1|2|3
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.Op Fl v Cm 1 | 2 | 3
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.Fl n Ar SSID
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.Nm
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.Fl i Ar iface Fl o Ar 0|1
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.Fl i Ar iface Fl o Cm 0 | 1
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.Nm
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.Fl i Ar iface Fl p Ar tx power
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.Fl i Ar iface Fl p Ar tx_power
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.Nm
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.Fl i Ar iface Fl c Ar channel number
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.Fl i Ar iface Fl c Ar frequency
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.Nm
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.Fl i Ar iface Fl f Ar fragmentation threshold
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.Fl i Ar iface Fl f Ar fragmentation_threshold
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.Nm
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.Fl i Ar iface Fl r Ar RTS threshold
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.Fl i Ar iface Fl r Ar RTS_threshold
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.Nm
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.Fl i Ar iface Fl M Ar 0-15 (set monitor mode)
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.Fl i Ar iface Fl M Cm 0 Ns - Ns Cm 15
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.Nm
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.Fl h
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.Sh DESCRIPTION
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@ -122,8 +122,12 @@ The
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argument given to
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.Nm
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should be the logical interface name associated with the Aironet
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device (an0, an1, etc...).
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If one isn't specified the device an0 will be assumed.
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device
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.Li ( an0 , an1 ,
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etc.).
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If one isn't specified the device
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.Dq Li an0
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will be assumed.
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.Pp
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The
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.Nm
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@ -134,6 +138,7 @@ lines in a single
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invocation, and such combinations are not recommended.
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.Sh OPTIONS
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The options are as follows:
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.\" XXX
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.Bl -tag -width Fl
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.It Fl i Ar iface Fl A
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Display the preferred access point list.
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@ -149,7 +154,7 @@ be modified with the
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option.
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.It Fl i Ar iface Fl N
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Display the SSID list.
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This is a list of service set IDs (i.e. network names)
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This is a list of service set IDs (i.e., network names)
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with which the station wishes to associate.
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There may be up to three SSIDs
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in the list: the station will go through the list in ascending order and
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@ -161,9 +166,14 @@ status, current BSSID, SSID, channel, beacon period and currently
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associated access point.
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The operating mode indicates the state of
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the NIC, MAC status and receiver status.
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When the "synced" keyword
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When the
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.Qq Li synced
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keyword
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appears, it means the NIC has successfully associated with an access
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point, associated with an ad-hoc "master" station, or become a "master"
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point, associated with an ad-hoc
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.Dq master
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station, or become a
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.Dq master
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itself.
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The beacon period can be anything between 20 and 976 milliseconds.
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The default is 100.
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@ -178,38 +188,34 @@ Display current NIC configuration.
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This shows the current operation mode,
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receive mode, MAC address, power save settings, various timing settings,
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channel selection, diversity, transmit power and transmit speed.
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.It Fl i Ar iface Fl t Ar 0|1|2|3|4
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.It Fl i Ar iface Fl t Cm 0 | 1 | 2 | 3 | 4
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Select transmit speed.
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The available settings are as follows:
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.Bl -column "TX rate " "NIC speed " -offset indent
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.Bl -column ".Em TX rate" -offset indent
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.Em "TX rate NIC speed"
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0 Auto -- NIC selects optimal speed
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1 1Mbps fixed
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2 2Mbps fixed
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3 5.5Mbps fixed
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4 11Mbps fixed
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.It Cm 0 Ta "Auto -- NIC selects optimal speed"
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.It Cm 1 Ta "1Mbps fixed"
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.It Cm 2 Ta "2Mbps fixed"
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.It Cm 3 Ta "5.5Mbps fixed"
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.It Cm 4 Ta "11Mbps fixed"
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.El
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.Pp
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Note that the 5.5 and 11Mbps settings are only supported on the 4800
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series adapters: the 4500 series adapters have a maximum speed of 2Mbps.
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.It Fl i Ar iface Fl s Ar 0|1|2|3
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.It Fl i Ar iface Fl s Cm 0 | 1 | 2 | 3
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Set power save mode.
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Valid selections are as follows:
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.Bl -column "Selection " "Power save mode " -offset indent
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.Bl -column ".Em Selection" -offset indent
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.Em "Selection Power save mode"
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0 None - power save disabled
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1 Constantly awake mode (CAM)
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2 Power Save Polling (PSP)
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3 Fast Power Save Polling (PSP-CAM)
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.It Cm 0 Ta "None - power save disabled"
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.It Cm 1 Ta "Constantly awake mode (CAM)"
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.It Cm 2 Ta "Power Save Polling (PSP)"
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.It Cm 3 Ta "Fast Power Save Polling (PSP-CAM)"
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.El
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.Pp
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Note that for IBSS (ad-hoc) mode, only PSP mode is supported, and only
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if the ATIM window is non-zero.
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.It Xo
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.Fl i Ar iface
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.Op Fl v Ar 1|2|3|4
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.Fl a Ar AP
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.Xc
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.It Fl i Ar iface Oo Fl v Cm 1 | 2 | 3 | 4 Oc Fl a Ar AP
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Set preferred access point.
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The
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.Ar AP
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@ -225,27 +231,24 @@ modified.
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If the
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.Fl v
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flag is not used, the first AP list entry will be changed.
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.It Fl i Ar iface Fl b Ar beacon period
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.It Fl i Ar iface Fl b Ar beacon_period
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Set the ad-hoc mode beacon period.
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The becon period is specified in
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milliseconds.
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The
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.Ar beacon_period
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is specified in milliseconds.
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The default is 100ms.
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.It Xo
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.Fl i Ar iface
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.Op Fl v Ar 0|1
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.Fl d Ar 0|1|2|3
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.Xc
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.It Fl i Ar iface Oo Fl v Cm 0 | 1 Oc Fl d Cm 0 | 1 | 2 | 3
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Select the antenna diversity.
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Aironet devices can be configured with up
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to two antennas, and transmit and receive diversity can be configured
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accordingly.
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Valid selections are as follows:
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.Bl -column "Selection " "Diversity " -offset indent
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.Bl -column ".Em Selection" -offset indent
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.Em "Selection Diversity"
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0 Select factory default diversity
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1 Antenna 1 only
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2 Antenna 2 only
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3 Antenna 1 and 2
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.It Cm 0 Ta "Select factory default diversity"
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.It Cm 1 Ta "Antenna 1 only"
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.It Cm 2 Ta "Antenna 2 only"
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.It Cm 3 Ta "Antenna 1 and 2"
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.El
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.Pp
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The receive and transmit diversity can be set independently.
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@ -253,70 +256,95 @@ The user
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must specify which diversity setting is to be modified by using the
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.Fl v
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option: selection
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.Ar 0
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.Cm 0
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sets the receive diversity and
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.Ar 1
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.Cm 1
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sets the transmit diversity.
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.It Fl i Ar iface Fl e Ar 0|1|2|3
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.It Fl i Ar iface Fl e Cm 0 | 1 | 2 | 3
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Set the transmit WEP key to use.
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Note that until this command is issued, the device will use the
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last key programmed. The transmit key is stored in NVRAM. Currently
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set transmit key can be checked via "-C" option.
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.It Xo
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.Fl i Ar iface
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.Op Fl v Ar 0|1|2|3|4|5|6|7
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.Fl k Ar key
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.Xc
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last key programmed.
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The transmit key is stored in NVRAM.
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Currently
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set transmit key can be checked via
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.Fl C
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option.
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.It Fl i Ar iface Oo Fl v Cm 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 Oc Fl k Ar key
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Set a WEP key.
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For 40 bit prefix 10 hex character with 0x.
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For 128 bit prefix 26 hex character with 0x.
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Use "" as the key to erase the key.
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Use
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.Qq
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as the key to erase the key.
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Supports 4 keys; even numbers are for permanent keys
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and odd number are for temporary keys.
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For example, "-v 1" sets the first temporary key.
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(A "permanent" key is stored in NVRAM; a "temporary" key is not.)
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For example,
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.Fl v Cm 1
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sets the first temporary key.
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(A
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.Dq permanent
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key is stored in NVRAM; a
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.Dq temporary
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key is not.)
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Note that the device will use the most recently-programmed key by default.
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Currently set keys can be checked via "-C" option, only the sizes of the
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Currently set keys can be checked via
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.Fl C
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option, only the sizes of the
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keys are returned.
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.It Fl i Ar iface Fl K Ar 0|1|2
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.It Fl i Ar iface Fl K Cm 0 | 1 | 2
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Set authorization type.
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Use 0 for none, 1 for "Open", 2 for "Shared Key".
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.It Fl i Ar iface Fl W Ar 0|1|2
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Use
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.Cm 0
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for none,
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.Cm 1
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for
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.Dq Open ,
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.Cm 2
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for
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.Dq "Shared Key" .
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.It Fl i Ar iface Fl W Cm 0 | 1 | 2
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Enable WEP.
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Use 0 for no WEP, 1 to enable full WEP, 2 for mixed cell.
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.It Fl i Ar iface Fl j Ar netjoin timeout
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Use
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.Cm 0
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for no WEP,
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.Cm 1
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to enable full WEP,
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.Cm 2
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for mixed cell.
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.It Fl i Ar iface Fl j Ar netjoin_timeout
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Set the ad-hoc network join timeout.
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When a station is first activated
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in ad-hoc mode, it will search out a 'master' station with the desired
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in ad-hoc mode, it will search out a
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.Dq master
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station with the desired
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SSID and associate with it.
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If the station is unable to locate another
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station with the same SSID after a suitable timeout, it sets itself up
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as the 'master' so that other stations may associate with it.
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as the
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.Dq master
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so that other stations may associate with it.
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This
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timeout defaults to 10000 milliseconds (10 seconds) but may be changed
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with this option.
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The timeout should be specified in milliseconds.
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.It i Ar iface Fl l Ar station name
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.It Fl i Ar iface Fl l Ar station_name
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Set the station name used internally by the NIC.
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The
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.Ar station name
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.Ar station_name
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can be any text string up to 16 characters in length.
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The default name
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is set by the driver to
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.Dq Li FreeBSD .
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.It Fl i Ar iface Fl m Ar mac address
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.It Fl i Ar iface Fl m Ar mac_address
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Set the station address for the specified interface.
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The
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.Ar mac address
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.Ar mac_address
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is specified as a series of six hexadecimal values separated by colons,
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e.g.: 00:60:1d:12:34:56.
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e.g.:
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.Li 00:60:1d:12:34:56 .
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This programs the new address into the card
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and updates the interface as well.
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.It Xo
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.Fl i Ar iface
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.Op Fl v Ar 1|2|3
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.Fl n Ar SSID
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.Xc
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.It Fl i Ar iface Oo Fl v Cm 1 | 2 | 3 Oc Fl n Ar SSID
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Set the desired SSID (network name).
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There are three SSIDs which allows
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the NIC to work with access points at several locations without needing
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@ -329,16 +357,16 @@ modifier option.
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If the
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.Fl v
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flag isn't used, the first SSID in the list is set.
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.It Fl i Ar iface Fl o Ar 0|1
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.It Fl i Ar iface Fl o Cm 0 | 1
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Set the operating mode of the Aironet interface.
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Valid selections are
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.Ar 0
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.Cm 0
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for ad-hoc mode and
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.Ar 1
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.Cm 1
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for infrastructure mode.
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The default driver setting is for infrastructure
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mode.
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.It Fl i Ar iface Fl p Ar tx power
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.It Fl i Ar iface Fl p Ar tx_power
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Set the transmit power level in milliwatts.
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Valid power settings
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vary depending on the actual NIC and can be viewed by dumping the
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@ -348,7 +376,7 @@ flag.
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Typical values are 1, 5, 20, 50 and 100mW.
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Selecting 0 sets
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the factory default.
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.It Fl i Ar iface Fl c Ar channel
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.It Fl i Ar iface Fl c Ar frequency
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Set the radio frequency of a given interface.
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The
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.Ar frequency
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@ -360,22 +388,22 @@ Recognized regulatory authorities include
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the FCC (United States), ETSI (Europe), France and Japan.
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Frequencies
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in the table are specified in Mhz.
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.Bl -column "Channel ID " "FCC " "ETSI " "France " "Japan " -offset indent
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.Bl -column ".Em Channel ID" ".Em FCC" ".Em ETSI" ".Em France" ".Em Japan" -offset indent
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.Em "Channel ID FCC ETSI France Japan"
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1 2412 2412 - -
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2 2417 2417 - -
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3 2422 2422 - -
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4 2427 2427 - -
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5 2432 2432 - -
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6 2437 2437 - -
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7 2442 2442 - -
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8 2447 2447 - -
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9 2452 2452 - -
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10 2457 2457 2457 -
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11 2462 2462 2462 -
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12 - 2467 2467 -
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13 - 2472 2472 -
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14 - - - 2484
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.It Cm 1 Ta 2412 Ta 2412 Ta - Ta -
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.It Cm 2 Ta 2417 Ta 2417 Ta - Ta -
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.It Cm 3 Ta 2422 Ta 2422 Ta - Ta -
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.It Cm 4 Ta 2427 Ta 2427 Ta - Ta -
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.It Cm 5 Ta 2432 Ta 2432 Ta - Ta -
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.It Cm 6 Ta 2437 Ta 2437 Ta - Ta -
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.It Cm 7 Ta 2442 Ta 2442 Ta - Ta -
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.It Cm 8 Ta 2447 Ta 2447 Ta - Ta -
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.It Cm 9 Ta 2452 Ta 2452 Ta - Ta -
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.It Cm 10 Ta 2457 Ta 2457 Ta 2457 Ta -
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.It Cm 11 Ta 2462 Ta 2462 Ta 2462 Ta -
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.It Cm 12 Ta - Ta 2467 Ta 2467 Ta -
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.It Cm 13 Ta - Ta 2472 Ta 2472 Ta -
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.It Cm 14 Ta - Ta - Ta - Ta 2484
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.El
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.Pp
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If an illegal channel is specified, the
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@ -387,7 +415,7 @@ channel is 11.
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For NICs sold in Japan, the only available channel is 14.
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Note that two stations must be set to the same channel in order to
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communicate.
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.It Fl i Ar iface Fl f Ar fragmentation threshold
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.It Fl i Ar iface Fl f Ar fragmentation_threshold
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Set the fragmentation threshold in bytes.
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This threshold controls the
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point at which outgoing packets will be split into multiple fragments.
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@ -396,35 +424,39 @@ need to be retransmitted instead of the whole packet.
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The fragmentation
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threshold can be anything from 64 to 2312 bytes.
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The default is 2312.
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.It Fl i Ar iface Fl M Ar 0-15
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Set monitor mode via bit mask, meaning:
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.Bl -tag -offset indent -compact -width 0x000000
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.Em "Bit Mask Meaning"
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.It 0
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to not dump 802.11 packet.
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.It 1
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to enable 802.11 monitor.
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.It 2
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to monitor any SSID.
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.It 4
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to not skip beacons, monitor beacons produces a high system load.
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.It 8
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to enable full Aironet header returned via BPF.
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Note it appears that a SSID must be set.
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.El
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.It Fl i Ar iface Fl r Ar RTS threshold
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.It Fl i Ar iface Fl r Ar RTS_threshold
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Set the RTS/CTS threshold for a given interface.
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This controls the
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number of bytes used for the RTS/CTS handhake boundary.
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The
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.Ar RTS threshold
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.Ar RTS_threshold
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can be any value between 0 and 2312.
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The default is 2312.
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.It Fl i Ar iface Fl M Cm 0 Ns - Ns Cm 15
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Set monitor mode via bit mask, meaning:
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.Pp
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.Bl -tag -width indent -offset indent -compact
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.It Em Bit
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.Em Meaning
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.It 0
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to not dump 802.11 packet.
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.It 1
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to enable 802.11 monitor.
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.It 2
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to monitor any SSID.
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||||
.It 4
|
||||
to not skip beacons, monitor beacons produces a high system load.
|
||||
.It 8
|
||||
to enable full Aironet header returned via BPF.
|
||||
Note it appears that a SSID must be set.
|
||||
.El
|
||||
.It Fl h
|
||||
Prints a list of available options and sample usage.
|
||||
Print a list of available options and sample usage.
|
||||
.El
|
||||
.Sh SECURITY NOTES
|
||||
WEP ("wired equivalent privacy") is based on the RC4 algorithm,
|
||||
WEP
|
||||
.Pq Dq "wired equivalent privacy"
|
||||
is based on the RC4 algorithm,
|
||||
using a 24 bit initialization vector.
|
||||
.Pp
|
||||
RC4 is supposedly vunerable to certain known plaintext attacks,
|
||||
@ -432,9 +464,12 @@ especially with 40 bit keys.
|
||||
So the security of WEP in part depends on how much known plaintext
|
||||
is transmitted.
|
||||
.Pp
|
||||
Because of this, although counter-intuitive, using "shared key"
|
||||
Because of this, although counter-intuitive, using
|
||||
.Dq "shared key"
|
||||
authentication (which involves sending known plaintext) is less
|
||||
secure than using "open" authentication when WEP is enabled.
|
||||
secure than using
|
||||
.Dq open
|
||||
authentication when WEP is enabled.
|
||||
.Pp
|
||||
Devices may alternate among all of the configured WEP keys when
|
||||
tranmitting packets.
|
||||
@ -447,7 +482,9 @@ ancontrol -i an0 -W 1
|
||||
ancontrol -i an0 -e 0
|
||||
.Ed
|
||||
.Pp
|
||||
Sets a WEP key 0, enables "Shared Key" authentication, enables full WEP
|
||||
Sets a WEP key 0, enables
|
||||
.Dq "Shared Key"
|
||||
authentication, enables full WEP
|
||||
and uses transmit key 0.
|
||||
.Sh SEE ALSO
|
||||
.Xr an 4 ,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user