simp destroy ".*" simp create -o sw1:rocker:sw1 tut tut.dot simp start tut sleep 10 while ! simp ssh tut sw1 --cmd "ping -c 1 localhost >/dev/null"; do sleep 1; done while ! simp ssh tut h1 --cmd "ping -c 1 localhost >/dev/null"; do sleep 1; done while ! simp ssh tut h2 --cmd "ping -c 1 localhost >/dev/null"; do sleep 1; done # configure a 2-port bridge simp ssh tut sw1 --cmd "sudo /sbin/ip link add name br0 type bridge" simp ssh tut sw1 --cmd "sudo brctl stp br0 on" simp ssh tut sw1 --cmd "sudo /sbin/ip link set dev swp1 master br0" simp ssh tut sw1 --cmd "sudo /sbin/ip link set dev swp2 master br0" # turn off vlan default_pvid on br0 simp ssh tut sw1 --cmd "echo 0 | sudo dd of=/sys/class/net/br0/bridge/default_pvid 2> /dev/null" # turn off learning and flooding in SW simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp1 learning off" simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp2 learning off" simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp1 flood off" simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp2 flood off" # turn on learning in HW simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp1 learning on self" simp ssh tut sw1 --cmd "sudo /sbin/bridge link set dev swp2 learning on self" # config IP on hosts simp ssh tut h1 --cmd "sudo ifconfig swp1 11.0.0.1/24" simp ssh tut h2 --cmd "sudo ifconfig swp1 11.0.0.2/24" # bring up bridge and ports simp ssh tut sw1 --cmd "sudo ifconfig br0 up" simp ssh tut sw1 --cmd "sudo ifconfig swp1 up" simp ssh tut sw1 --cmd "sudo ifconfig swp2 up" # test... simp ssh tut h1 --cmd "ping -w 1 -c1 11.0.0.2 >/dev/null" if [ $? -eq 0 ]; then exit 1; fi sleep 10 simp ssh tut h1 --cmd "ping -c10 11.0.0.2 >/dev/null" sleep 10 simp ssh tut h1 --cmd "ping -c10 11.0.0.2 >/dev/null" sleep 10 simp ssh tut h1 --cmd "ping -c10 11.0.0.2 >/dev/null" sleep 10 simp ssh tut h1 --cmd "ping -c10 11.0.0.2 >/dev/null" sleep 10 simp ssh tut h1 --cmd "ping -c10 11.0.0.2 >/dev/null"