Initial
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684
doc-ap-reinstall.txt
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684
doc-ap-reinstall.txt
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# Reinstall guide for Openwrt based APs (TL-WR841N/ND)
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# ====================================================
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alias $=true # make sure this file is a valid shell script
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$ wget https://downloads.openwrt.org/snapshots/trunk/ar71xx/generic/OpenWrt-ImageBuilder-ar71xx-generic.Linux-x86_64.tar.bz2
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$ tar -xf OpenWrt-ImageBuilder-ar71xx-generic.Linux-x86_64.tar.bz2
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$ cd OpenWrt-ImageBuilder-ar71xx-generic.Linux-x86_64/
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$ sh <WHEREVER>/doc-ap-reinstall.txt # yes, seriously
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$ make image PROFILE=TLWR841 FILES=files/ PACKAGES="collectd collectd-mod-wireless collectd-mod-interface collectd-mod-load collectd-mod-network -firewall -ip6tables -kmod-ip6tables"
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# Now you should get the binary for flashing at:
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# bin/ar71xx/openwrt-ar71xx-generic-tl-wr841n-v10-squashfs-sysupgrade.bin
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# If your ssh key is in the config you can now connect to any LAN port (orange)
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# on the AP, trigger a failsafe reset, scp the image into /tmp and flash the AP (see below).
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# If it's not just add it to files/etc/dropbear/authorized_keys before running make
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# 1) trigger factory reset (deletes /dev/mtdblock3, i.e. /overlay):
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$ firstboot -y
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# type 'y' and ENTER
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$ reboot -f
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# 2) wait for the router to come back up, do the failsafe mode dance again
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# finally and copy the image there:
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$ scp bin/ar71xx/openwrt-ar71xx-generic-tl-wr841n-v10-squashfs-sysupgrade.bin root@192.168.1.1:/tmp
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# 3) finally flash the AP:
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$ sysupgrade openwrt-*.bin
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# now connect the WAN port (blue) to the correct patch port and make sure this
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# is connected to VLAN 2 on SW0 (ports 29,30,31,32,33,34 are for now)
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# WTF?
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# /bin/sh ignores lines that start with '#' and the 'alias' above makes sure '$'
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||||||
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# is not a command that exists, so everything in this file is ignored up the the
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# shar(1) archive, neat huh?
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||||||
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# ---- shar archive follows ----
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#!/bin/sh
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# This is a shell archive (produced by GNU sharutils 4.15.2).
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||||||
|
# To extract the files from this archive, save it to some FILE, remove
|
||||||
|
# everything before the '#!/bin/sh' line above, then type 'sh FILE'.
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#
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lock_dir=_sh06036
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# Made on 2016-06-06 01:42 CEST by <dxld@Sam>.
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# Source directory was '/home/dxld/var/build/OpenWrt-ImageBuilder-ar71xx-generic.Linux-x86_64'.
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#
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||||||
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# Existing files will *not* be overwritten, unless '-c' is specified.
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|
#
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||||||
|
# This shar contains:
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|
# length mode name
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||||||
|
# ------ ---------- ------------------------------------------
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||||||
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# 611 -rw------- files/etc/collectd.conf
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# 286 -rw-r--r-- files/etc/config/dhcp
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# 136 -rw-r--r-- files/etc/config/dropbear
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# 105 -rw-r--r-- files/etc/config/firewall
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# 630 -rw-r--r-- files/etc/config/network
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||||||
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# 1063 -rw-r--r-- files/etc/config/system
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||||||
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# 0 -rw-r--r-- files/etc/config/ubootenv
|
||||||
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# 325 -rw-r--r-- files/etc/config/wireless
|
||||||
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# 390 -rw-r--r-- files/etc/dropbear/authorized_keys
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||||||
|
# 503 -rwxr-xr-x files/etc/uci-defaults/50-config-from-mac
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#
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||||||
|
MD5SUM=${MD5SUM-md5sum}
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||||||
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f=`${MD5SUM} --version | egrep '^md5sum .*(core|text)utils'`
|
||||||
|
test -n "${f}" && md5check=true || md5check=false
|
||||||
|
${md5check} || \
|
||||||
|
echo 'Note: not verifying md5sums. Consider installing GNU coreutils.'
|
||||||
|
if test "X$1" = "X-c"
|
||||||
|
then keep_file=''
|
||||||
|
else keep_file=true
|
||||||
|
fi
|
||||||
|
echo=echo
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||||||
|
save_IFS="${IFS}"
|
||||||
|
IFS="${IFS}:"
|
||||||
|
gettext_dir=
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||||||
|
locale_dir=
|
||||||
|
set_echo=false
|
||||||
|
|
||||||
|
for dir in $PATH
|
||||||
|
do
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||||||
|
if test -f $dir/gettext \
|
||||||
|
&& ($dir/gettext --version >/dev/null 2>&1)
|
||||||
|
then
|
||||||
|
case `$dir/gettext --version 2>&1 | sed 1q` in
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||||||
|
*GNU*) gettext_dir=$dir
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||||||
|
set_echo=true
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||||||
|
break ;;
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||||||
|
esac
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||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
if ${set_echo}
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||||||
|
then
|
||||||
|
set_echo=false
|
||||||
|
for dir in $PATH
|
||||||
|
do
|
||||||
|
if test -f $dir/shar \
|
||||||
|
&& ($dir/shar --print-text-domain-dir >/dev/null 2>&1)
|
||||||
|
then
|
||||||
|
locale_dir=`$dir/shar --print-text-domain-dir`
|
||||||
|
set_echo=true
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||||||
|
break
|
||||||
|
fi
|
||||||
|
done
|
||||||
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|
||||||
|
if ${set_echo}
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||||||
|
then
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||||||
|
TEXTDOMAINDIR=$locale_dir
|
||||||
|
export TEXTDOMAINDIR
|
||||||
|
TEXTDOMAIN=sharutils
|
||||||
|
export TEXTDOMAIN
|
||||||
|
echo="$gettext_dir/gettext -s"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
IFS="$save_IFS"
|
||||||
|
if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null
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||||||
|
then if (echo -n test; echo 1,2,3) | grep n >/dev/null
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||||||
|
then shar_n= shar_c='
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||||||
|
'
|
||||||
|
else shar_n=-n shar_c= ; fi
|
||||||
|
else shar_n= shar_c='\c' ; fi
|
||||||
|
f=shar-touch.$$
|
||||||
|
st1=200112312359.59
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||||||
|
st2=123123592001.59
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||||||
|
st2tr=123123592001.5 # old SysV 14-char limit
|
||||||
|
st3=1231235901
|
||||||
|
|
||||||
|
if touch -am -t ${st1} ${f} >/dev/null 2>&1 && \
|
||||||
|
test ! -f ${st1} && test -f ${f}; then
|
||||||
|
shar_touch='touch -am -t $1$2$3$4$5$6.$7 "$8"'
|
||||||
|
|
||||||
|
elif touch -am ${st2} ${f} >/dev/null 2>&1 && \
|
||||||
|
test ! -f ${st2} && test ! -f ${st2tr} && test -f ${f}; then
|
||||||
|
shar_touch='touch -am $3$4$5$6$1$2.$7 "$8"'
|
||||||
|
|
||||||
|
elif touch -am ${st3} ${f} >/dev/null 2>&1 && \
|
||||||
|
test ! -f ${st3} && test -f ${f}; then
|
||||||
|
shar_touch='touch -am $3$4$5$6$2 "$8"'
|
||||||
|
|
||||||
|
else
|
||||||
|
shar_touch=:
|
||||||
|
echo
|
||||||
|
${echo} 'WARNING: not restoring timestamps. Consider getting and
|
||||||
|
installing GNU '\''touch'\'', distributed in GNU coreutils...'
|
||||||
|
echo
|
||||||
|
fi
|
||||||
|
rm -f ${st1} ${st2} ${st2tr} ${st3} ${f}
|
||||||
|
#
|
||||||
|
if test ! -d ${lock_dir} ; then :
|
||||||
|
else ${echo} "lock directory ${lock_dir} exists"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
if mkdir ${lock_dir}
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||||||
|
then ${echo} "x - created lock directory ${lock_dir}."
|
||||||
|
else ${echo} "x - failed to create lock directory ${lock_dir}."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
# ============= files/etc/collectd.conf ==============
|
||||||
|
if test ! -d 'files'; then
|
||||||
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mkdir 'files'
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||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files."
|
||||||
|
else ${echo} "x - failed to create directory files."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test ! -d 'files/etc'; then
|
||||||
|
mkdir 'files/etc'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc."
|
||||||
|
else ${echo} "x - failed to create directory files/etc."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/collectd.conf'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/collectd.conf (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/collectd.conf (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/collectd.conf' &&
|
||||||
|
# Config file for collectd. More info: https://collectd.org/
|
||||||
|
# Note: Luci statistics will generate a new config and overwrite this file.
|
||||||
|
X
|
||||||
|
#Hostname "localhost"
|
||||||
|
#FQDNLookup true
|
||||||
|
BaseDir "/var/run/collectd"
|
||||||
|
Include "/etc/collectd/conf.d"
|
||||||
|
PIDFile "/var/run/collectd.pid"
|
||||||
|
PluginDir "/usr/lib/collectd"
|
||||||
|
TypesDB "/usr/share/collectd/types.db"
|
||||||
|
Interval 30
|
||||||
|
ReadThreads 2
|
||||||
|
X
|
||||||
|
LoadPlugin interface
|
||||||
|
LoadPlugin load
|
||||||
|
#LoadPlugin ping
|
||||||
|
X
|
||||||
|
<Plugin interface>
|
||||||
|
X IgnoreSelected false
|
||||||
|
X Interface "lan""
|
||||||
|
</Plugin>
|
||||||
|
X
|
||||||
|
LoadPlugin network
|
||||||
|
<Plugin network>
|
||||||
|
X Server "sozial.asozial" "25826"
|
||||||
|
X Forward false
|
||||||
|
</Plugin>
|
||||||
|
X
|
||||||
|
X
|
||||||
|
LoadPlugin wireless
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 03 14 20 20 43 'files/etc/collectd.conf'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0600 'files/etc/collectd.conf'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/collectd.conf failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/collectd.conf': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
317af4e906f9877fb3942b2c969ec6f8 files/etc/collectd.conf
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/collectd.conf'` -ne 611 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/collectd.conf' is not 611"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/dhcp ==============
|
||||||
|
if test ! -d 'files/etc'; then
|
||||||
|
mkdir 'files/etc'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc."
|
||||||
|
else ${echo} "x - failed to create directory files/etc."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test ! -d 'files/etc/config'; then
|
||||||
|
mkdir 'files/etc/config'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc/config."
|
||||||
|
else ${echo} "x - failed to create directory files/etc/config."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/dhcp'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/dhcp (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/dhcp (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/dhcp' &&
|
||||||
|
X
|
||||||
|
config dnsmasq
|
||||||
|
X option listen 0
|
||||||
|
X
|
||||||
|
config dhcp 'lan'
|
||||||
|
X option interface 'lan'
|
||||||
|
X option ignore 1
|
||||||
|
X
|
||||||
|
config dhcp 'wan'
|
||||||
|
X option interface 'wan'
|
||||||
|
X option ignore '1'
|
||||||
|
X
|
||||||
|
config odhcpd 'odhcpd'
|
||||||
|
X option maindhcp '0'
|
||||||
|
X option leasefile '/tmp/hosts/odhcpd'
|
||||||
|
X option leasetrigger '/usr/sbin/odhcpd-update'
|
||||||
|
X
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 02 18 23 07 05 'files/etc/config/dhcp'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/dhcp'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/dhcp failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/dhcp': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
14380207dcdfc80dcf7ad0f874385a4f files/etc/config/dhcp
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/dhcp'` -ne 286 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/dhcp' is not 286"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/dropbear ==============
|
||||||
|
if test ! -d 'files/etc/config'; then
|
||||||
|
mkdir 'files/etc/config'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc/config."
|
||||||
|
else ${echo} "x - failed to create directory files/etc/config."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/dropbear'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/dropbear (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/dropbear (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/dropbear' &&
|
||||||
|
config dropbear
|
||||||
|
X option PasswordAuth 'off'
|
||||||
|
X option RootPasswordAuth 'off'
|
||||||
|
X option Port '22'
|
||||||
|
# option BannerFile '/etc/banner'
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 02 19 01 22 09 'files/etc/config/dropbear'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/dropbear'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/dropbear failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/dropbear': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
4e428f3d36b40c3de857bf73d3bc27ce files/etc/config/dropbear
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/dropbear'` -ne 136 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/dropbear' is not 136"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/firewall ==============
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/firewall'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/firewall (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/firewall (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/firewall' &&
|
||||||
|
config defaults
|
||||||
|
X option syn_flood 1
|
||||||
|
X option input ACCEPT
|
||||||
|
X option output ACCEPT
|
||||||
|
X option forward ACCEPT
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 03 14 20 19 47 'files/etc/config/firewall'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/firewall'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/firewall failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/firewall': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
3aca9392cad163a47cd8ed892ad1fbee files/etc/config/firewall
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/firewall'` -ne 105 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/firewall' is not 105"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/network ==============
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/network'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/network (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/network (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/network' &&
|
||||||
|
X
|
||||||
|
config interface 'loopback'
|
||||||
|
X option ifname 'lo'
|
||||||
|
X option proto 'static'
|
||||||
|
X option ipaddr '127.0.0.1'
|
||||||
|
X option netmask '255.0.0.0'
|
||||||
|
X
|
||||||
|
config interface 'apctl'
|
||||||
|
X option ifname 'eth1.2'
|
||||||
|
X option proto 'dhcp'
|
||||||
|
X
|
||||||
|
config interface 'lan'
|
||||||
|
X option type 'bridge'
|
||||||
|
X option ifname 'eth1'
|
||||||
|
X option proto 'static'
|
||||||
|
X
|
||||||
|
config interface 'recovery'
|
||||||
|
X option type 'bridge'
|
||||||
|
X option ifname 'eth0'
|
||||||
|
X option proto 'static'
|
||||||
|
X option ipaddr '192.168.1.1'
|
||||||
|
X option netmask '255.0.0.0'
|
||||||
|
X
|
||||||
|
X
|
||||||
|
config switch
|
||||||
|
X option name 'switch0'
|
||||||
|
X option reset '1'
|
||||||
|
X option enable '1'
|
||||||
|
X option enable_vlan '1'
|
||||||
|
X
|
||||||
|
config switch_vlan
|
||||||
|
X option device 'switch0'
|
||||||
|
X option vlan '1'
|
||||||
|
X option ports '1 2 3 4 0'
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 03 14 20 26 56 'files/etc/config/network'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/network'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/network failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/network': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
e953d88ed06acffbef2e9086fa727fd7 files/etc/config/network
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/network'` -ne 630 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/network' is not 630"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/system ==============
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/system'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/system (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/system (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/system' &&
|
||||||
|
X
|
||||||
|
config system
|
||||||
|
X option hostname 'ITS-AP-unassigned'
|
||||||
|
X option timezone 'UTC'
|
||||||
|
X
|
||||||
|
config timeserver 'ntp'
|
||||||
|
X list server '0.openwrt.pool.ntp.org'
|
||||||
|
X list server '1.openwrt.pool.ntp.org'
|
||||||
|
X list server '2.openwrt.pool.ntp.org'
|
||||||
|
X list server '3.openwrt.pool.ntp.org'
|
||||||
|
X option enabled '1'
|
||||||
|
X option enable_server '0'
|
||||||
|
X
|
||||||
|
config led 'led_wan'
|
||||||
|
X option name 'WAN'
|
||||||
|
X option sysfs 'tp-link:green:wan'
|
||||||
|
X option trigger 'netdev'
|
||||||
|
X option mode 'link tx rx'
|
||||||
|
X option dev 'eth1'
|
||||||
|
X
|
||||||
|
config led 'led_lan1'
|
||||||
|
X option name 'LAN1'
|
||||||
|
X option sysfs 'tp-link:green:lan1'
|
||||||
|
X option trigger 'switch0'
|
||||||
|
X option port_mask '0x10'
|
||||||
|
X
|
||||||
|
config led 'led_lan2'
|
||||||
|
X option name 'LAN2'
|
||||||
|
X option sysfs 'tp-link:green:lan2'
|
||||||
|
X option trigger 'switch0'
|
||||||
|
X option port_mask '0x08'
|
||||||
|
X
|
||||||
|
config led 'led_lan3'
|
||||||
|
X option name 'LAN3'
|
||||||
|
X option sysfs 'tp-link:green:lan3'
|
||||||
|
X option trigger 'switch0'
|
||||||
|
X option port_mask '0x04'
|
||||||
|
X
|
||||||
|
config led 'led_lan4'
|
||||||
|
X option name 'LAN4'
|
||||||
|
X option sysfs 'tp-link:green:lan4'
|
||||||
|
X option trigger 'switch0'
|
||||||
|
X option port_mask '0x02'
|
||||||
|
X
|
||||||
|
config led 'led_wlan'
|
||||||
|
X option name 'WLAN'
|
||||||
|
X option sysfs 'tp-link:green:wlan'
|
||||||
|
X option trigger 'phy0tpt'
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 03 14 17 41 57 'files/etc/config/system'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/system'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/system failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/system': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
9473b26be0e31d238df7fb716f2b4964 files/etc/config/system
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/system'` -ne 1063 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/system' is not 1063"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/ubootenv ==============
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/ubootenv'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/ubootenv (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/ubootenv (empty)"
|
||||||
|
> 'files/etc/config/ubootenv' &&
|
||||||
|
(set 20 16 02 07 15 30 04 'files/etc/config/ubootenv'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/ubootenv'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/ubootenv failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/ubootenv': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
d41d8cd98f00b204e9800998ecf8427e files/etc/config/ubootenv
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/ubootenv'` -ne 0 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/ubootenv' is not 0"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/config/wireless ==============
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/config/wireless'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/config/wireless (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/config/wireless (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/config/wireless' &&
|
||||||
|
config wifi-device radio0
|
||||||
|
X option type mac80211
|
||||||
|
X option channel 11
|
||||||
|
X option hwmode 11g
|
||||||
|
X option path 'platform/qca953x_wmac'
|
||||||
|
X option htmode HT20
|
||||||
|
X
|
||||||
|
config wifi-iface
|
||||||
|
X option device radio0
|
||||||
|
X option network lan
|
||||||
|
X option mode ap
|
||||||
|
X option ssid it-syndikat
|
||||||
|
X option encryption psk2
|
||||||
|
X option key '<WIRELESS KEY HERE>'
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 06 06 01 41 58 'files/etc/config/wireless'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/config/wireless'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/config/wireless failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/config/wireless': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
06b38e06f26ea56e8a8e5f51a6566ff8 files/etc/config/wireless
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/config/wireless'` -ne 325 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/config/wireless' is not 325"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/dropbear/authorized_keys ==============
|
||||||
|
if test ! -d 'files/etc/dropbear'; then
|
||||||
|
mkdir 'files/etc/dropbear'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc/dropbear."
|
||||||
|
else ${echo} "x - failed to create directory files/etc/dropbear."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/dropbear/authorized_keys'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/dropbear/authorized_keys (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/dropbear/authorized_keys (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' | uudecode &&
|
||||||
|
begin 600 files/etc/dropbear/authorized_keys
|
||||||
|
M<W-H+7)S82!!04%!0C-.>F%#,7EC,D5!04%!1$%104)!04%"05%#,41B=VMS
|
||||||
|
M>75-,FE652]M4U-18CAF8U14,W-M3T1Y96%Z=%!V<&8Q94\T.61N-$UE8T%C
|
||||||
|
M534X>G$R9S1$2W5M0S5Q,6)#<DUQ<&A9.65A*U534W)9<&8K6BLK9F5Z3W-0
|
||||||
|
M>&%D-$UR-&EX=3!(83A6;S1#3$-F1'AC07A::%EU;$%X;E!D,G<X9T)Y25%)
|
||||||
|
M56YM1UI"1WE!6'5$,%EX:2LR8W!N,VI'5TDQ3CDV8W=Y:%-Z63`O46UJ9F55
|
||||||
|
M8G%B*W!D:45J;2]*5$)U;R]S0FUF2FUD.5%A>4UV>$]Z,5)R>C%4=4\X.79M
|
||||||
|
M+U9L,5`K:TE&4W1O0G-%955(."M9<75)4'50<6=Q,V0V2"MI538X3DYT8G!9
|
||||||
|
M07=-2E,S,'5M-'5H=2]X3R]62&-L0V%F<4]U47994FMJ0DI!4DY0;4UL+T15
|
||||||
|
>8VET:$Y#5S)!=D1C=$IS6G!",6P@9'AL9$!%;&D*
|
||||||
|
`
|
||||||
|
end
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 02 19 01 22 39 'files/etc/dropbear/authorized_keys'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0644 'files/etc/dropbear/authorized_keys'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/dropbear/authorized_keys failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/dropbear/authorized_keys': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
9641a516022df2dc59a071c9d16be7aa files/etc/dropbear/authorized_keys
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/dropbear/authorized_keys'` -ne 390 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/dropbear/authorized_keys' is not 390"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
# ============= files/etc/uci-defaults/50-config-from-mac ==============
|
||||||
|
if test ! -d 'files/etc/uci-defaults'; then
|
||||||
|
mkdir 'files/etc/uci-defaults'
|
||||||
|
if test $? -eq 0
|
||||||
|
then ${echo} "x - created directory files/etc/uci-defaults."
|
||||||
|
else ${echo} "x - failed to create directory files/etc/uci-defaults."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if test -n "${keep_file}" && test -f 'files/etc/uci-defaults/50-config-from-mac'
|
||||||
|
then
|
||||||
|
${echo} "x - SKIPPING files/etc/uci-defaults/50-config-from-mac (file already exists)"
|
||||||
|
|
||||||
|
else
|
||||||
|
${echo} "x - extracting files/etc/uci-defaults/50-config-from-mac (text)"
|
||||||
|
sed 's/^X//' << 'SHAR_EOF' > 'files/etc/uci-defaults/50-config-from-mac' &&
|
||||||
|
#!/bin/sh
|
||||||
|
set -e
|
||||||
|
X
|
||||||
|
mac=$(cat /sys/class/net/eth1/address)
|
||||||
|
X
|
||||||
|
hostname=
|
||||||
|
channel=
|
||||||
|
if [ "$mac" = 60:e3:27:b8:16:ed ]; then
|
||||||
|
X hostname=cz-ap0
|
||||||
|
X channel=6
|
||||||
|
elif [ "$mac" = 60:e3:27:b8:09:db ]; then
|
||||||
|
X hostname=cz-ap1
|
||||||
|
X channel=12
|
||||||
|
elif [ "$mac" = 60:e3:27:ed:9b:b1 ]; then
|
||||||
|
X hostname=cz-ap2
|
||||||
|
X channel=1
|
||||||
|
fi
|
||||||
|
X
|
||||||
|
uci set system.@system[0].hostname=$hostname
|
||||||
|
uci commit system
|
||||||
|
uci set wireless.radio0.channel=$channel
|
||||||
|
uci commit wireless
|
||||||
|
echo $(uci get system.@system[0].hostname) > /proc/sys/kernel/hostname
|
||||||
|
SHAR_EOF
|
||||||
|
(set 20 16 03 20 16 53 15 'files/etc/uci-defaults/50-config-from-mac'
|
||||||
|
eval "${shar_touch}") && \
|
||||||
|
chmod 0755 'files/etc/uci-defaults/50-config-from-mac'
|
||||||
|
if test $? -ne 0
|
||||||
|
then ${echo} "restore of files/etc/uci-defaults/50-config-from-mac failed"
|
||||||
|
fi
|
||||||
|
if ${md5check}
|
||||||
|
then (
|
||||||
|
${MD5SUM} -c >/dev/null 2>&1 || ${echo} 'files/etc/uci-defaults/50-config-from-mac': 'MD5 check failed'
|
||||||
|
) << \SHAR_EOF
|
||||||
|
689a299be8256d569a668704a26d27c3 files/etc/uci-defaults/50-config-from-mac
|
||||||
|
SHAR_EOF
|
||||||
|
|
||||||
|
else
|
||||||
|
test `LC_ALL=C wc -c < 'files/etc/uci-defaults/50-config-from-mac'` -ne 503 && \
|
||||||
|
${echo} "restoration warning: size of 'files/etc/uci-defaults/50-config-from-mac' is not 503"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
if rm -fr ${lock_dir}
|
||||||
|
then ${echo} "x - removed lock directory ${lock_dir}."
|
||||||
|
else ${echo} "x - failed to remove lock directory ${lock_dir}."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
exit 0
|
||||||
2
doc-ap-reset.txt
Normal file
2
doc-ap-reset.txt
Normal file
|
|
@ -0,0 +1,2 @@
|
||||||
|
Hold reset button for ~25+ sec. LED goes off then starts flashing fast if you
|
||||||
|
hold it too long it will start flashing slowly and that's no good.
|
||||||
1
private/FGRR-QRN3.key
Symbolic link
1
private/FGRR-QRN3.key
Symbolic link
|
|
@ -0,0 +1 @@
|
||||||
|
../.git/annex/objects/3M/8M/SHA256E-s184--43e7e49d6e92f833d6e4250a44921943f6f16936f277fabf58b7bbb68c8d4bf4.key/SHA256E-s184--43e7e49d6e92f833d6e4250a44921943f6f16936f277fabf58b7bbb68c8d4bf4.key
|
||||||
1
private/backup-CZ-AP0-2016-02-18.tar.gz
Symbolic link
1
private/backup-CZ-AP0-2016-02-18.tar.gz
Symbolic link
|
|
@ -0,0 +1 @@
|
||||||
|
../.git/annex/objects/1j/Gw/SHA256E-s8920--298c554e3422ac36c5fd60d6ddd7730da6129df0d0fa4b28c1da926caa85e90d.tar.gz/SHA256E-s8920--298c554e3422ac36c5fd60d6ddd7730da6129df0d0fa4b28c1da926caa85e90d.tar.gz
|
||||||
1
private/backup-sozial-2016-02-18.tar.gz
Symbolic link
1
private/backup-sozial-2016-02-18.tar.gz
Symbolic link
|
|
@ -0,0 +1 @@
|
||||||
|
../.git/annex/objects/5K/6W/SHA256E-s10462--1e3ecf3f8e052c4295fdb19314d67be2d2beea592ce960f540ac4d3cd714382c.tar.gz/SHA256E-s10462--1e3ecf3f8e052c4295fdb19314d67be2d2beea592ce960f540ac4d3cd714382c.tar.gz
|
||||||
1
private/backup-sozial-2016-03-14.tar.gz
Symbolic link
1
private/backup-sozial-2016-03-14.tar.gz
Symbolic link
|
|
@ -0,0 +1 @@
|
||||||
|
../.git/annex/objects/F6/mz/SHA256E-s17185--f706b8b80b9721ee8b73fa5b53203b1daac6e7f820d9b2bbf8802689c213627d.tar.gz/SHA256E-s17185--f706b8b80b9721ee8b73fa5b53203b1daac6e7f820d9b2bbf8802689c213627d.tar.gz
|
||||||
1
private/backup-sozial-2016-06-05.tar.gz
Symbolic link
1
private/backup-sozial-2016-06-05.tar.gz
Symbolic link
|
|
@ -0,0 +1 @@
|
||||||
|
../.git/annex/objects/mW/M1/SHA256E-s17367--ef5f0d5d7f4b8ea897a2e44f9cf268e195e8d94b15e58ec2be47607046a3d961.tar.gz/SHA256E-s17367--ef5f0d5d7f4b8ea897a2e44f9cf268e195e8d94b15e58ec2be47607046a3d961.tar.gz
|
||||||
59
sozial/doc-reinstall.txt
Normal file
59
sozial/doc-reinstall.txt
Normal file
|
|
@ -0,0 +1,59 @@
|
||||||
|
# sozial.asozial install guide
|
||||||
|
|
||||||
|
Sozial.asozial is a FW8888 (Intel Atom x86) machine with 6 network interfaces,
|
||||||
|
eth0 throu eth5 where eth5 is a fiber slot so we're not going to use it for now.
|
||||||
|
|
||||||
|
## Port-eth mapping
|
||||||
|
|
||||||
|
Just works in OpenWRT! They sort the ethX names by MAC like they should :)
|
||||||
|
|
||||||
|
eth0: Port 1
|
||||||
|
eth1: Port 2
|
||||||
|
eth2: Port 3
|
||||||
|
eth3: Port 4
|
||||||
|
eth4: Port 5
|
||||||
|
|
||||||
|
If in doubt:
|
||||||
|
|
||||||
|
$ ethtool -p ethX
|
||||||
|
|
||||||
|
This will blink the status leds on ethX so you can identify it visually.
|
||||||
|
|
||||||
|
## Port Function Assignment
|
||||||
|
|
||||||
|
eth0: Broken causes timeouts and adapter resets occationally
|
||||||
|
eth1: Broken --''--
|
||||||
|
eth2: --free--
|
||||||
|
eth3: Uplink SW0, Freifunk
|
||||||
|
eth3.2: AP Management Plane VLAN (APCTL)
|
||||||
|
eth4: --free--
|
||||||
|
|
||||||
|
## Installed stuff
|
||||||
|
|
||||||
|
- kmod-usb-hid
|
||||||
|
Absolutely essential. No keyboard for VGA console otherwise!
|
||||||
|
|
||||||
|
- collectd - 5.4.2-1
|
||||||
|
Statistics collection from APs.
|
||||||
|
|
||||||
|
- collectd-mod-interface - 5.4.2-1
|
||||||
|
- collectd-mod-iptables - 5.4.2-1
|
||||||
|
- collectd-mod-iwinfo - 5.4.2-1
|
||||||
|
- collectd-mod-load - 5.4.2-1
|
||||||
|
- collectd-mod-network - 5.4.2-1
|
||||||
|
- collectd-mod-ping - 5.4.2-1
|
||||||
|
- collectd-mod-rrdtool - 5.4.2-1
|
||||||
|
- collectd-mod-wireless
|
||||||
|
|
||||||
|
- sqm-scripts - 1.0.3-1
|
||||||
|
For rate limiting and (de)bufferbloat optimization on WAN
|
||||||
|
|
||||||
|
- ip-full - 4.0.0-1
|
||||||
|
It's just nice to have.
|
||||||
|
|
||||||
|
- tcpdump
|
||||||
|
Well you know.
|
||||||
|
|
||||||
|
To install use `opkg update && opkg install <package-name>`. You need to run
|
||||||
|
`opkg update` since openwrt stores package lists in RAM so by the time you need
|
||||||
|
them they're likely not there.
|
||||||
32
sozial/eth0-crash.log
Normal file
32
sozial/eth0-crash.log
Normal file
|
|
@ -0,0 +1,32 @@
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.010035] ------------[ cut here ]------------
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.032627] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:303 0xc138576b()
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.info kernel: [ 814.063157] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.091381] Modules linked in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_ipv6 nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_CT via_velocity via_rhine usbhid slhc sis900 r8169 pcnet32 nf_reject_ipv4 nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrackMon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.464766] CPU: 0 PID: 0 Comm: swapper Not tainted 3.18.20 #1
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.492993] Hardware name: PhoenixAward 945GSE/945GSE, BIOS 6.00 PG 08/25/2009
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.525431] c140194e c1030133 c14d7964 df40bf54 00000000 c14d54de 0000012f c138576b
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.559901] 00000009 df5cc000 df680780 ffff392b ffffff32 c1030183 00000009 df40bf3c
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.594465] c14d7964 df40bf54 c138576b c14d54de 0000012f c14d7964 df5cc000 e08de401
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.628997] Call Trace:
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.647116] [<c140194e>] ? 0xc140194e
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.669092] [<c1030133>] ? 0xc1030133
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.690998] [<c138576b>] ? 0xc138576b
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.712747] [<c1030183>] ? 0xc1030183
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.734379] [<c138576b>] ? 0xc138576b
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.755921] [<c1385660>] ? 0xc1385660
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.777369] [<c1053d41>] ? 0xc1053d41
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.798769] [<e0de69d7>] ? 0xe0de69d7 [e1000e@e0dd0000+0x1dce4]
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.827004] [<c1053f4e>] ? 0xc1053f4e
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.848381] [<c1031ef5>] ? 0xc1031ef5
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.869588] [<c1031e60>] ? 0xc1031e60
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.890599] [<c10033f9>] ? 0xc10033f9
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.911499] <IRQ> [<c103214e>] ? 0xc103214e
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.934411] [<c100322d>] ? 0xc100322d
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.955361] [<c1058417>] ? 0xc1058417
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.976194] [<c1405b69>] ? 0xc1405b69
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 814.996993] [<c1050000>] ? 0xc1050000
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 815.017673] [<c134044d>] ? 0xc134044d
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 815.038232] [<c104a595>] ? 0xc104a595
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 815.058685] [<c1547a87>] ? 0xc1547a87
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 815.079028] [<c1547560>] ? 0xc1547560
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.warn kernel: [ 815.099175] ---[ end trace d228a7100660f086 ]---
|
||||||
|
Mon Mar 14 23:00:55 2016 kern.err kernel: [ 815.128211] e1000 0000:05:0a.0 eth0: Reset adapter
|
||||||
66
vlan-introduction.tex
Normal file
66
vlan-introduction.tex
Normal file
|
|
@ -0,0 +1,66 @@
|
||||||
|
\documentclass{article}
|
||||||
|
|
||||||
|
\usepackage{bbold}
|
||||||
|
\usepackage{commath}
|
||||||
|
|
||||||
|
\begin{document}
|
||||||
|
|
||||||
|
\section{VLAN Introduction}
|
||||||
|
|
||||||
|
For those unfamilliar with the concept of a VLAN (Virtual LAN) here is a shot
|
||||||
|
formal specification of what such a thing does.
|
||||||
|
|
||||||
|
A Switch is a 8-tuple \( \mathcal{S} = (\mathbb{A}, \mathbb{P}, \mathbb{V}, t, v, a, \beta, \epsilon) \)
|
||||||
|
consisting of
|
||||||
|
\begin{itemize}
|
||||||
|
\item a finite set of (MAC) addresses \(\mathbb{A}\),
|
||||||
|
\item a finite set of physical ports \(\mathbb{P}\),
|
||||||
|
\item a finite set of VLANs \(\mathbb{V}\),
|
||||||
|
\item a mapping from physical ports and VLANs to two distinct symbols pronounced
|
||||||
|
``tagged'' and ``untagged'' repectively
|
||||||
|
\( t : \mathbb{P} \times \mathbb{V} \rightarrow \{ \tau, \upsilon \} \),
|
||||||
|
\item a mapping from physical ports and VLANs to VLANs (Port PVID)
|
||||||
|
\( v : \mathbb{P} \times \mathbb{V} \rightarrow \mathbb{V} \)
|
||||||
|
with \(v(p, q) \mapsto q\) when \(q \neq \epsilon\),
|
||||||
|
\item a mapping from addresses and VLANs to physical ports (ARP Table)
|
||||||
|
\( a : \mathbb{A} \times \mathbb{V} \rightarrow \mathbb{P} \) and
|
||||||
|
\item the broadcast address \(\beta \in \mathbb{A}\)
|
||||||
|
\item the empty VLAN tag \(\epsilon \in \mathbb{V}\)
|
||||||
|
\end{itemize}
|
||||||
|
|
||||||
|
A Frame processed by a Switch \(\mathcal{S}\)
|
||||||
|
is a tuple \( \mathcal{F}_\mathcal{S} = (d, q) \)
|
||||||
|
consisting of a destination address \(d \in \mathbb{A} \) and a VLAN tag \( q \in \mathbb{V} \).
|
||||||
|
|
||||||
|
When a Frame \( \mathcal{F}_\mathcal{S}' = (d, q') \)
|
||||||
|
enters a port \( p \in \mathbb{P}\)
|
||||||
|
the Switch first ensures the Packet has a VLAN tag for internal processing
|
||||||
|
assigned by creating a new Frame \( \mathcal{F}_\mathcal{S} = (d, q)\) with \(q = v(p, q')\).
|
||||||
|
|
||||||
|
\subsection{Broadcast processing}
|
||||||
|
|
||||||
|
When the Frame's destination address \( d = \beta \)
|
||||||
|
the Switch creates a new Frame for each port
|
||||||
|
\( p \in \{\, p \mid t(p, \_) \,\} \)
|
||||||
|
in the following manner:
|
||||||
|
|
||||||
|
\begin{equation}\label{eq:egress}
|
||||||
|
\mathcal{F}_{\mathcal{S}, p}^{e} =
|
||||||
|
\left\{
|
||||||
|
\begin{array}{ll}
|
||||||
|
(d,q) & \mbox{if } t(p, q) = \tau \\
|
||||||
|
(d, \epsilon) & \mbox{if } t(p, q) = \upsilon\\
|
||||||
|
\end{array}
|
||||||
|
\right.
|
||||||
|
\end{equation}
|
||||||
|
|
||||||
|
|
||||||
|
\( \mathcal{F}_{\mathcal{S}, p}^{e} \)
|
||||||
|
is then transmitted out port \(p\) and processing of this Frame is complete.
|
||||||
|
|
||||||
|
\subsection{Unicast processing}
|
||||||
|
|
||||||
|
When the Frame's destination address \(d\) is not the broadcast address the Switch first determines the egress port \(p = a(d, q)\). Then a new Frame is created as in equation \ref{eq:egress}. \( \mathcal{F}_{\mathcal{S}, p}^{e} \)
|
||||||
|
is then transmitted out port \(p\) and processing of this Frame is complete.
|
||||||
|
|
||||||
|
\end{document}
|
||||||
Loading…
Reference in a new issue