Re: Something in my code causes Intel wireless association to die.
Re: Something in my code causes Intel wireless association to die.
- Subject: Re: Something in my code causes Intel wireless association to die.
- From: Kent Harris <email@hidden>
- Date: Wed, 28 Mar 2007 12:22:43 -0700
Opening the "wlt" device causes network de-association. On my Intel
mac mini, "tcpdump -D" does it every time. However, there seems to
be something else as I randomly loose association several times a
day. Indeed, I launch the following script via launchd at system
startup (probably should let launchd do the periodicity -- think I'll
go change that):
#!/bin/sh
# Re-associate to preferred network -- see comment in
com.vine.ipfw.plist
#
Airport1="10.0.1.1"
checkIntervalSeconds=60
airport="/System/Library/PrivateFrameworks/Apple80211.framework/
Versions/Current
/Resources/airport"
while true ; do
/sbin/ping -c 1 -t 2 ${Airport1} > /dev/null
r=$?
if [ $r -ne 0 ] ; then
/usr/bin/syslog -s -l critical "Reconnecting to Airport"
${airport} -a
fi
sleep ${checkIntervalSeconds}
done
The comment referred to above is summarized from a macosxhints column:
# Note about Airport (Mac mini) access. You must:
# (1) In network preferences > Airport, set the "By default, Join:" to
# "Preferred network."
# (2) In AirPort > Options..., set "If no preferred networks are
found:"
# to "Keep looking for recent networks."
# (3) In Utilities > Keychain Access, select your Network under Login
# Keychains. Check the "Show password:" box and make sure it is
# correct. Under "Access Control" tab, select the "Allow all
# applications to access this item." (Perhaps installing the
correct
# application access would also work but I'm unsure as to the app.
# Note there is a system keychain entry also -- you can't see the
# password -- but you can see the access control and this may
# actually be the relevant guy as opposed to the login keychain.)
The mini routes to the internet via the wireless and operates
unattended for long periods of time so maintaining connectivity is
critical. Interestingly enough, the failure incidence dropped
dramatically with the Apple 10.4.9 update.
- Kent
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