routing

route del default gw 141.223.175.99 br0

route add -net 141.223.0.0 netmask 255.255.0.0 gw 141.223.175.99 br0

route add default gw 192.168.10.1 wlan0

!!!

setting a bridged network in ubuntu

#install 'bridge-utils'

sudo apt-get install bridge-utils

 

---start_bridge.sh---

#!/bin/bash

 

brctl addbr br0

ifconfig eth0 0.0.0.0

brtl addif br0 eth0

 

# router ip

ifconfig br0 1.2.3.4 netmast 255.255.255.0 up

# given gateway

route add default gw 1.2.3.1 br0

 

ifconfig eth1 0.0.0.0 up

brctl addif br0 eth1

---end start_bridge.sh---

 

---stop_bridge.sh---

#!/bin/bash

ifconfig eth1 down

ifconfig br0 down

brctl delif br0 eth1

brctl delbr br0

# any ip

ifconfig eth0 1.2.3.4 netmask 255.255.255.0

# given gateway

route add default gw 1.2.3.1 eth0

---end stop_bridge.sh---