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.TH ESSIDSCAN 8 "" "" "Commands"
.SH NAME
essidscan \- scan for ESSID corresponding to available WLAN access points
.SH SYNOPSIS
In
.I /etc/network/interfaces:
.P
.B mapping <interface> script essidscan
.SH DESCRIPTION
.P
The essidscan utility is used to tell the ifup and ifdown utilities
about the current SSID of the WLAN currently being accessed.
It can be used to map the SSID name to an iface stanza.
.SH CONFIGURATION
A sample
.I /etc/network/interfaces
may look like this:
.P
mapping hotplug
script /etc/network/essidscan
map SSIDONE wlan-work
map SSIDTWO wlan-work
map HOME
iface wlan-work inet dhcp
wireless-key 1234-5678-9ABC-DEF0-1234-5678-9A
wireless-keymode restricted
iface HOME inet static
address 192.168.2.4
netmask 255.255.255.0
gateway 192.168.2.1
wireless-essid HOME
wireless-key s:somepassword
wireless-keymode open
iface DEFAULT inet dhcp
.SH FILES
.TP
.I /etc/network/interfaces
the interfaces definition file
.TP
.I /etc/network/run/ifstate
a record of the current state of the interfaces, managed by ifup and ifdown
.SH "SEE ALSO"
.BR interfaces (5)
.BR ifscheme (8)
.BR ifup (8)
.BR ifdown (8)
.SH AUTHORS
Tor Slettnes <tor@slett.net>
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