server IP: 2001:288:5468::2/64
default gateway: 2001:288:5468::ff
設定前
# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
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: ens18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 62:34:62:38:61:62 brd ff:ff:ff:ff:ff:ff
inet 163.17.50.131/25 brd 163.17.50.255 scope global ens18
valid_lft forever preferred_lft forever
inet6 2001:288:5468:0:14b6:c7fd:2131:5a43/64 scope global deprecated noprefixroute dynamic
valid_lft 2488333sec preferred_lft 0sec
inet6 fe80::3190:8336:231d:9dd3/64 scope link
valid_lft forever preferred_lft forever
inet6 fe80::b3af:dd64:6f0b:1002/64 scope link tentative dadfailed
valid_lft forever preferred_lft forever
