Openwrt config file for TP-Link WR703N

6bridge

#file /etc/init.d/6bridge
#!/bin/sh /etc/rc.common

START=46
STOP=46

start_service() {
	local section="$1"

	. /lib/functions/network.sh

	network_get_physdev LAN lan || return 1
	network_get_physdev WAN wan || return 1
	config_get bridge "$section" bridge
	brctl addbr $bridge
	brctl addif $bridge $LAN
	brctl addif $bridge $WAN
	brctl setfd $bridge 0

	ebtables -t broute -A BROUTING -p ! ipv6 -j DROP
	ifconfig $bridge up
}

stop_service() {
	local section="$1"

	. /lib/functions/network.sh

	network_get_physdev LAN lan || return 1
	network_get_physdev WAN wan || return 1
	config_get bridge "$section" bridge

	ifconfig $bridge down
	ebtables -t broute -F

	brctl delif $bridge $WAN
	brctl delif $bridge $LAN
	brctl delbr $bridge
}

start() {
	if ! [ -f /proc/net/if_inet6 ]; then
		echo "IPv6 not enabled, install kmod-ipv6";
		exit 1
	fi
	config_load "6bridge"
	config_foreach start_service 6bridge
}

stop() {
	config_load "6bridge"
	config_foreach stop_service 6bridge
}

dhcp

#file /etc/config/dhcp
config dnsmasq
	option domainneeded	1
	option boguspriv	1
	option filterwin2k	0  # enable for dial on demand
	option localise_queries	1
	option rebind_protection 1  # disable if upstream must serve RFC1918 addresses
	option rebind_localhost 1  # enable for RBL checking and similar services
	#list rebind_domain example.lan  # whitelist RFC1918 responses for domains
	option local	'/lan/'
	option domain	'lan'
	option expandhosts	1
	option nonegcache	0
	option authoritative	1
	option readethers	1
	option leasefile	'/tmp/dhcp.leases'
	option resolvfile	'/etc/config/resolv.conf'
	#list server		'/mycompany.local/1.2.3.4'
	#option nonwildcard	1
	#list interface		br-lan
	#list notinterface	lo
	#list bogusnxdomain     '64.94.110.11'

config dhcp lan
	option interface	lan
	option start 	100
	option limit	150
	option leasetime	12h

#config dhcp wan
#	option interface	wan
#	option ignore	1

network

#file /etc/config/network
config interface 'loopback'
	option ifname 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config interface 'lan'
#	option ifname 'eth0'
#	option type 'bridge'
	option proto 'static'
	option ipaddr '192.168.1.1'
	option netmask '255.255.255.0'
#	option dns '8.8.8.8 8.8.4.4'

config interface 'wan'
	option ifname 'eth0'
	option proto 'dhcp'
	option ipv6 '1'
#	option dns '8.8.8.8 8.8.4.4'

resolv.conf

#file /etc/config/resolv.conf
nameserver 8.8.8.8
nameserver 8.8.4.4

wireless

#file /etc/config/wireless
config wifi-device  radio0
        option type     mac80211
        option channel  11
        option phy	phy0
        option hwmode   11ng
        option htmode   HT20
        list ht_capab   SHORT-GI-40
        list ht_capab   SHORT-GI-20
        list ht_capab   RX-STBC1
        list ht_capab   DSSS_CCK-40
        option disabled 0

config wifi-iface
        option device   radio0
        option network  lan
        option mode     ap
        option ssid     dd-wrt
        option encryption wep
        option key **********

这个配置文件实现了ipv4 nat 和 ipv6 bridge功能