我有兩台 Linux 伺服器，一台用於資料庫，另一台用於託管 http 伺服器。我把它們連接起來，切換到使用像192.168.1.101這樣的ip來連接mysql。我遇到伺服器無法使用本機 IP 互相 ping 通的問題。
[(01:33 AM)][(root@atf)] [(~)] $ ip route
default via 208.117.37.129 dev eno1np0 proto static metric 100
default via 192.168.1.1 dev eno2np1 proto static metric 101
192.168.1.0/24 dev eno2np1 proto kernel scope link src 192.168.1.103 metric 101
208.117.37.129 dev eno1np0 proto static scope link metric 100
[(01:33 AM)][(root@site)] [(~)] $ ifconfig
eno1np0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 208.*.*.* netmask 255.255.255.255 broadcast 0.0.0.0
inet6 fe80::3eec:efff:fec8:4b00 prefixlen 64 scopeid 0x20<link>
ether 3c:ec:ef:c8:4b:00 txqueuelen 1000 (Ethernet)
RX packets 15482764 bytes 20552671448 (19.1 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 15477718 bytes 13958702853 (13.0 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eno2np1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.103 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::3eec:efff:fec8:4b01 prefixlen 64 scopeid 0x20<link>
ether 3c:ec:ef:c8:4b:01 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 8634 dropped 0 overruns 0 frame 1930039
TX packets 59271 bytes 9698668 (9.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
(10:59 AM)][(root@site)] [(/etc/sysconfig/network-scripts)] $ ping -I eno2np1 192.168.1.101
PING 192.168.1.101 (192.168.1.101) from 192.168.1.103 eno2np1: 56(84) bytes of data.
From 192.168.1.103 icmp_seq=1 Destination Host Unreachable
From 192.168.1.103 icmp_seq=2 Destination Host Unreachable
From 192.168.1.103 icmp_seq=3 Destination Host Unreachable
^Z
[2]+ Stopped