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Hi,

i often jump over some differents wireless networks, so i needed a script 
that permits to quickly change from a defined AP to another. Here comes as 
an attachment a quick rc.d script that does the job, and this is how it 
can be configured :

/etc/rc.conf:

# ifwi begins

ifwi=YES # as usual
ifwi_list="ath0" # wireless NICs you have onboard, white-space separated

# setup differents wireless ids with corresponding NICs
# in the following example, ath0 with id "work"
# please note id is NOT the ssid but an id of your choice
ifwi_ath0_work="inet 192.168.0.200/24 chan 11 ssid \"work wi\" media 
DS11 mode 11b nwkey 0x0102030405"
# another link, with id "home"
ifwi_ath0_home="inet 192.168.2.2/24 chan 6 ssid \"home wi\" mediaopt 
adhoc mode 11b"
ifwi_ath0_friend="chan 6 ssid \"somewhere\" -nwkey"

# define default routes corresponding to id's
router_ath0_home="192.168.2.1"
router_ath0_work="192.168.0.254"
# start dhclient for this id
dhcp_ath0_friend="YES"

# ifwi ends

common usage :

ifwi start home # will start with home id
ifwi start show # show availables APs
ifwi start downtown # scan availables APs and up on any matching AP ssid,
                     # for example, here ifwi will match on downtown2,
                     # "the downtown", ...
                     # IP / routing / dhclient call must be done manually here
ifwi stop # ifconfig down every listed wireless interface

Hope this helps

- -------------------------
iMil <imil@home.imil.net>                                                 _
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