Link/relation between container interfaces, MAC addresses and IP addresses

[ypereirareis]

In complex configurations we sometimes need to use docker containers interfaces to allow cluster wide communication (ES for instance). In that case , it's important to understand the relation between network interfaces in containers, MAC addresses and container IP addresses.

Dans le container :

cat /sys/class/net/eth0/address
cat /sys/class/net/eth1/address
cat /sys/class/net/eth2/address
...

Sur l'hôte

docker inspect CONTAINER_ID

et

docker network inspect NETWORK_ID