OpenWRT

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Inhaltsverzeichnis 1 Installed Packages 2 Configuration 3 Customization 3.1 pppd 3.2 ez-ipupdate 3.3 IPv6 4 Misc 4.1 Upgrading 4.2 Backup

Installed Packages

arpwatch - 2.1a11-1 - Ethernet monitor program for keeping track of ethernet/ip address pairings
freeradius-mod-eap-gtc - 1.0.2-2 - an EAP/GTC module for FreeRADIUS
robocfg - 0.01-1 - Broadcom BCM5325E/536x switch configuration utility
tc - 2.6.11-050330-1 - iproute2 traffic control utility
tcpdump - 3.8.3-1 - A tool for network monitoring and data acquisition.
ttcp - 3.8-1 - A small utility to test TCP connection performance
root@OpenWrt:/dev/mtdblock# ipkg list_installed
aiccu - 2005.01.31-1 - SixXS Automatic IPv6 Connectivity Client Utility
base-files - 2 -
base-files-brcm - 1 -
bridge - 1.0.6-1 - Ethernet bridging tools
busybox - 1.00-2 - Core utilities for embedded Linux systems
dnsmasq - 2.22-2 -
dropbear - 0.45-3 - a small SSH 2 server/client designed for small memory environments.
ez-ipupdate - 3.0.11b8-1 - a client for dynamic DNS services
ip - 2.6.11-050330-1 - iproute2 routing control utility
ip6tables - 1.3.1-1 - The netfilter firewalling software for IPv6
ipkg - 0.99.149-1 - lightweight package management system
iptables - 1.3.1-1 - The netfilter firewalling software for IPv4
kernel - 2.4.30-brcm-2 -
kmod-brcm-et - 2.4.30-brcm-2 - Proprietary driver for Broadcom Ethernet chipsets
kmod-brcm-wl - 2.4.30-brcm-2 - Proprietary driver for Broadcom Wireless chipsets
kmod-diag - 2.4.30-brcm-2 - Driver for Router LEDs and Buttons
kmod-ipv6 - 2.4.30-brcm-2 - Kernel modules for the IPv6 protocol
kmod-ppp - 2.4.30-brcm-2 - PPP support
kmod-pppoe - 2.4.30-brcm-2 - PPP over Ethernet support
kmod-sched - 2.4.30-brcm-2 - Kernel schedulers for IP traffic
kmod-wlcompat - 2.4.30-brcm-3 -
libgcc - 3.4.3-2 -
libpthread - 0.9.27-1 - POSIX threads library
microperl - 5.8.6-1 - Perl without operating-specific functions such as readdir.
mtd - 1 -
nvram - 1 -
openntpd - 3.6.1p1-1 - OpenNTPD is a FREE, easy to use implementation of NTP
ppp - 2.4.3-6 -
ppp-mod-pppoe - 2.4.3-6 -
radvd - 0.7.3-1 - Routing Advertisement Daemon for IPv6
tc - 2.6.11-050330-1 - iproute2 traffic control utility
uclibc - -2 -
wificonf - 4 -
wireless-tools - 28.pre7-1 - Tools for setting up WiFi cards using the Wireless Extension
zlib - 1.2.2-2 - an implementation of the deflate compression method (library)

Configuration

#/bin/sh

#general
nvram set lan_ipaddr=192.168.1.2

#wan
nvram set ppp_username=<name>
nvram set ppp_passwd=<pw>
nvram set pppoe_ifname=eth0
nvram set wan_proto=pppoe
nvram set ppp_redialperiod=0
nvram set ppp_idletime=0
nvram set ppp_mtu=1492
nvram set wan_ifname=ppp0

#dyndns
touch /etc/dyndns.comf
echo "user=thiesenweb:<pw>" >> /etc/dyndns
echo "service-type=dyndns" >> /etc/dyndns
echo "interface=ppp0" >> /etc/dyndns
echo "host=thiesenweb.dyndns.org" >> /etc/dyndns

#dhcp
touch /etc/ethers
echo "00:50:FC:62:C1:62 hal2000 192.168.1.10" >> /etc/ethers
echo "00:40:D0:2A:08:A6 mobilhal 192.168.1.11" >> /etc/ethers
echo "00:D0:09:E8:06:9F bene 192.168.1.12" >> /etc/ethers
echo "00:80:AD:46:96:76 regine 192.168.1.13" >> /etc/ethers
echo "00:02:2D:27:82:02 mobilhalw 192.168.1.14" >> /etc/ethers
chmod og+r /etc/ethers

echo "192.168.1.2 router" >> /etc/hosts
echo "192.168.1.10 hal2000" >> /etc/hosts
echo "192.168.1.11 mobilhal" >> /etc/hosts
echo "192.168.1.12 bene" >> /etc/hosts
echo "192.168.1.12 blackdeath" >> /etc/hosts
echo "192.168.1.13 regine" >> /etc/hosts
echo "192.168.1.14 mobilhalw" >> /etc/hosts

#wlan
nvram set wl0_ssid=Thiesenwave
nvram set wl0_channel=9
nvram set wl0_wep=enabled
nvram set wl0_key1=<key>
nvram set wl0_key2=<key>
nvram set wl0_key3=<key>
nvram set wl0_key4=<key>
nvram set wl0_wep_bit=128
nvram set wl0_mode=ap

#maclist
nvram set wl0_macmode=allow
nvram set wl0_maclist="00:02:2D:27:82:02 00:0E:A6:A8:BF:C3 00:0E:35:DA:81:3B"

#misc
nvram set ntp_server=pool.ntp.org

#nvram commit

Customization

pppd

Once the PPP link is established, pppd looks for /etc/ppp/ip-up:

#!/bin/sh

. /etc/profile

/usr/sbin/rdate 192.43.244.18
/etc/init.d/S51aiccu restart
/sbin/dnynds restart

ez-ipupdate

#!/bin/sh

EZ="/usr/sbin/ez-ipupdate -d"
PID=/tmp/ez-ipupdate.pid

SERVICE=dyndns
WAN=$(nvram get wan_ifname)
USER=$(nvram get ddns_username_x)
PW=$(nvram get ddns_passwd_x)
HOST=$(nvram get ddns_hostname_x)


case "$1" in
    start)
        $EZ -F $PID -S $SERVICE -u $USER:$PW -h $HOST -i $WAN
        ;;

    stop)
        kill -9 `cat $PID`
        ;;

    restart)
        $0 stop
        $0 start
        ;;
    *)
        echo "Usage: $0 {start|stop|restart}"
        exit 1
        ;;
esac

IPv6

If the Prefix is wrong, you'll see errors like this:

ICMP redirect: target address is not linklocal
ICMP NDISC: fake message with non-255 Hop Limit received: 254

To change the prefix length with ip, just use the right prefix length when adding the IP:

ip addr add 2001:6f8:1238::1/48 dev br0

Usually, I add this to the first line of /etc/init.d/S51radvd

Misc

Upgrading

mtd -e linux -r write blah.trx linux 
(generic nehmen für den ASUS)

Backup

dd if=/dev/mtdblock/1ro of=/tmp/firmware.trx