Tip 하이퍼바이저를 이용한 가상 서버에서 네트워크 확인
네트워크 IP는 물리 서버에서나 하이퍼바이저에서나 크게 바뀌는 부분은 없습니다. 그러나 가상 서버에서는 오픈스택을 설치하려고 인터넷이 가능한 NAT 네트워크를 하나 더 추가해서 해당 네트워크 정보도 확인이 가능합니다.
[root@controller ~]# ifconfig -bash: /usr/sbin/ifconfig: 그런 파일이나 디렉터리가 없습니다 [root@controller ~]# ip addr show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master ovs-system state UP qlen 1000 link/ether 08:00:27:31:89:79 brd ff:ff:ff:ff:ff:ff inet6 fe80::a00:27ff:fe31:8979/64 scope link valid_lft forever preferred_lft forever 3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 08:00:27:ad:b9:21 brd ff:ff:ff:ff:ff:ff inet 192.168.56.102/24 brd 192.168.56.255 scope global enp0s8 valid_lft forever preferred_lft forever inet6 fe80::a00:27ff:fead:b921/64 scope link valid_lft forever preferred_lft forever 4: enp0s9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 08:00:27:46:b0:21 brd ff:ff:ff:ff:ff:ff inet 10.0.4.15/24 brd 10.0.4.255 scope global dynamic enp0s9 valid_lft 48712sec preferred_lft 48712sec inet6 fe80::a00:27ff:fe46:b021/64 scope link valid_lft forever preferred_lft forever