k8s/StudyNotes/ k8sNetworking
Linux network namespaces
ip netns add red ip netns add blue ip netns list ip netns exec red ip link ip netns exec red arp ip netns exec red route
Connect two network namespaces with virtual link
ip link add veth-red veth peer name veth-blue ip link set veth-red netns red ip link set veth-blue netns blue ip -n red addr add 192.168.15.1 dev veth-red ip -n blue addr add 192.168.15.2 dev veth-blue ip -n red link set veth-red up ip -n blue link set veth-blue up # ip netns exec red ping 192.168.15.2