8.7. 네트워크 팀의 포트로 사용할 인터페이스 선택

~]$ ip link show
1: lo:  <LOOPBACK,UP,LOWER_UP > mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: em1:  <BROADCAST,MULTICAST,UP,LOWER_UP > mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
    link/ether 52:54:00:6a:02:8a brd ff:ff:ff:ff:ff:ff
3: em2:  <BROADCAST,MULTICAST,UP,LOWER_UP > mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 52:54:00:9b:6d:2a brd ff:ff:ff:ff:ff:ff

~]$ ip link show
1: lo:  <LOOPBACK,UP,LOWER_UP > mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: em1:  <BROADCAST,MULTICAST,UP,LOWER_UP > mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
    link/ether 52:54:00:6a:02:8a brd ff:ff:ff:ff:ff:ff
3: em2:  <BROADCAST,MULTICAST,UP,LOWER_UP > mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 52:54:00:9b:6d:2a brd ff:ff:ff:ff:ff:ff