AP203: Unterschied zwischen den Versionen

Version vom 7. Juli 2008, 22:44 Uhr

Access Point

	Status
Standort	Friedrichstr. 23
Antenne und Richtung	Standrd-Omni
Montage	im Vereinsraum
Typ / Hersteller	Buffalo
Bemerkung	Privater AP Mathias

Kontaktdaten

Besonderheiten

• freier Internetzugang für Frieda23 Vereinsraum und Gäste
• Wireless Infrastruktur-Netz "frieda23.opennet-initiative.de"
• DHCP per Wireless und Drahtgebunden (Switche am Schreibtisch)

Graphen

(Nur aus dem Opennet erreichbar.)

Anpassungen

• Wireless Treiber

ipkg -force-depends remove opennet-kmod-brcm-wl opennet-kmod-wlcompat
ipkg install kmod-brcm-wl kmod-wlcompat iptables-mod-ipopt kmod-ipt-ipopt use-backports
ipkg install opennet-ugw-trafmon

• Wireless Setup

nvram set wl0_infra=1
nvram set wl0_mode=ap
nvram set wl0_ssid=frieda23.opennet-initiative.de
nvram set wl0_channel=11
nvram set on_wifidhcp_start=50
nvram set on_wifidhcp_num=20
nvram set on_wifidhcp_lease=1h
nvram set on_wifidhcp=on
nvram set on_wifidhcp_keep=on
nvram set ff_txpwr=19
nvram set on_autoadapttxpwr=
nvram set wan_hostname=Frieda23
nvram commit

• /usr/bin/netparam

Zeile 126 : wdev = ENVIRON["NVRAM_wifi_ifname"]
            if ("" == wdev) "nvram get wifi_ifname"|getline wdev

• /etc/init.d/S53olsrd

Zeile 19 : OLSRDEV=
Zeile 20 : OLSRDEVLIST=

• /etc/init.d/S82wifidhcp

Zeile 20 : iptables -$ACT_INSERT FORWARD $rulenum -i $WIFIDEV -o $TUNDEV \ 
  -s $DHCPWIFINET_PRE -d ! $WIFINET_PRE -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT

• /usr/sbin/monitor_ugw.sh

 DEV=tun+
 DHCP=/tmp/run/dhcp.leases
 NAME=$(nvram get wl0_ssid | cut -d"." -f1)
 if [ ! -e /tmp/${DEV}_traffic.rrd ] ; then
   rrdtool create /tmp/${DEV}_traffic.rrd -s 300 \
   DS:in:ABSOLUTE:600:0:600000000 \
   DS:out:ABSOLUTE:600:0:600000000 \
   RRA:AVERAGE:0.5:1:2016 \
   RRA:AVERAGE:0.5:3:2688 \
   RRA:AVERAGE:0.5:12:6360
   iptables -N tm_incoming
   iptables -F tm_incoming
   iptables -A tm_incoming -j RETURN
   iptables -I FORWARD 1 -i $DEV -j tm_incoming
   iptables -N tm_outgoing
   iptables -F tm_outgoing
   iptables -A tm_outgoing -j RETURN
   iptables -I FORWARD 1 -o $DEV -j tm_outgoing
   touch /tmp/${DEV}_traffic.png
   ln -s /tmp/${DEV}_traffic.png /www/traffic.png
 fi
 if [ ! -e /tmp/dhcp_users.rrd ] ; then
   rrdtool create /tmp/dhcp_users.rrd -s 300 \
   DS:user:GAUGE:600:0:U \
   RRA:AVERAGE:0.5:1:2016 \
   RRA:AVERAGE:0.5:3:2688 \
   RRA:AVERAGE:0.5:12:6360
   touch /tmp/dhcp_users.png
   ln -s /tmp/dhcp_users.png /www/users.png
 fi
 UGW="$(awk 'BEGIN {RS=" |/";FS="=|\\."} /CN=/ && /aps.on/ {print $2}' /etc/openvpn/opennet_user/on_aps.crt)"
 IN=`iptables -L tm_incoming -vnxZ | grep RETURN | awk '{print $2}'`
 OUT=`iptables -L tm_outgoing -vnxZ | grep RETURN | awk '{print $2}'`
 USER=`wc -l $DHCP | awk '{print $1}'`
 rrdtool update /tmp/${DEV}_traffic.rrd N:$IN:$OUT
 rrdtool update /tmp/dhcp_users.rrd N:$USER
 rrdtool graph /tmp/${DEV}_traffic.png -a PNG -s -86400 -w 606 -h 225 -v "Byte/s" \
 'DEF:in='/tmp/${DEV}_traffic.rrd':in:AVERAGE' \
 'DEF:out='/tmp/${DEV}_traffic.rrd':out:AVERAGE' \
 'CDEF:out_neg=out,-1,*' \
 'AREA:in#32CD32:Ankommend (Internet -> Opennet)' \
 'LINE1:in#336600' \
 GPRINT:in:"MAX:  Maximum\\: %5.1lf %s" \
 GPRINT:in:"AVERAGE: Mittel\\: %5.1lf %S" \
 GPRINT:in:"LAST: Aktuell\\: %5.1lf %SByte/Sekunde\\n" \
 'AREA:out_neg#4169E1:Ausgehend (Opennet -> Internet)' \
 'LINE1:out_neg#0033CC' \
 GPRINT:out:"MAX:  Maximum\\: %5.1lf %S" \
 GPRINT:out:"AVERAGE: Mittel\\: %5.1lf %S" \
 GPRINT:out:"LAST: Aktuell\\: %5.1lf %SByte/Sekunde" \
 'HRULE:0#000000' -t "Datenverkehr AP$UGW ($NAME)"
 rrdtool graph /tmp/dhcp_users.png -a PNG -s -86400 -w 606 -h 225 -v "Leases" \
 'DEF:user='/tmp/dhcp_users.rrd':user:AVERAGE' \
 'AREA:user#32CD32:DHCP-Nutzer' \
 'LINE1:user#336600' \
 GPRINT:user:"MAX:  Maximum\\: %5.0lf" \
 GPRINT:user:"AVERAGE: Mittel\\: %5.0lf" \
 GPRINT:user:"LAST: Aktuell\\: %5.0lf" \
 'HRULE:0#000000' -t "Benutzer AP$UGW ($NAME)"