iwspy - Get wireless statistics from specific nodes


SYNOPSIS

       iwspy interface
       iwspy interface [+] IPADDR | HWADDR [...]
       iwspy interface off


DESCRIPTION

       Iwspy  is  used  to  set a list of addresses in a wireless
       network interface and to read back quality of link  infor­
       mation  for each of those. This information is the same as
       the one available in /proc/net/wireless : quality  of  the
       link, signal strength and noise level.

       This  information  is  updated  each  time a new packet is
       received, so each address of the list add some overhead in
       the driver.

       Note the this functionality work only for node part of the
       current wireless cells.


PARAMETERS

       You may set any number of addresses up to 8.

       IPADDR Set an IP address, or in some cases a domain  name.
              As the hardware work with hardware addresses, iwspy
              will translate this address through ARP.   In  some
              case,  this  address  might not be in the ARP cache
              and iwspy will fail. In those  case,  ping(8)  this
              address and retry.

       HWADDR Set  a  hardware (MAC) address (this address is not
              translated & checked like the IP one). The  address
              must  contain a semicolon (:) to be recognised as a
              hardware address.

       +      Add the new set of addresses at the end of the cur­
              rent list instead of replacing it. The address list
              is unique for each device, so each user should  use
              this option to avoid conflicts.

       off    Remove  the  current  list of addresses and disable
              the spy functionality


FILES

       /proc/net/wireless


SEE ALSO

       iwconfig(8), ifconfig(8), iwlist(8).  iwpriv(8).


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