准备
sudo apt-get install bridge-utils
新建2个namespace
sudo ip netns add ns1
sudo ip netns add ns2
新建2对veth
sudo ip link add v1 type veth peer name v1p
sudo ip link add v2 type veth peer name v2p
设置veth的namespace
sudo ip link set v1p netns ns1
sudo ip link set v2p netns ns2
添加bridge
sudo brctl addbr br1
把veth添加到bridge
sudo brctl addif br1 v1
sudo brctl addif br1 v2
设置namespace的ip
sudo ip netns exec ns1 ip addr add local 172.17.0.1/24 dev v1p
sudo ip netns exec ns2 ip addr add local 172.17.0.2/24 dev v2p
启动网络设备
sudo ip link set br1 up
sudo ip link set v1 up
sudo ip link set v2 up
sudo ip netns exec ns1 ip link set v1p up
sudo ip netns exec ns2 ip link set v2p up
测试
sudo ip netns exec ns1 ping 172.17.0.2
sudo ip netns exec ns2 ping 172.17.0.1
