IDC内网互通

             內网             公网

test1  192.168.0.1  X.X.X.X

test2  192.168.2.5  X.X.X.X

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+ https://blog.csdn.net/XiaoXiao__cc/article/details/81559628 +

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test1执行

                                                       (test2公网)    (test1公网)

ip tunnel del ipip0 mode ipip remote X.X.X.X local X.X.X.X ttl 255

ip tunnel add ipip0 mode ipip remote X.X.X.X local X.X.X.X ttl 255

ip link set ipip0 up

ip addr add 192.168.253.8 peer 192.168.253.9 dev ipip0

ip route add 192.168.2.5 dev ipip0 via 192.168.253.9

                      (test2内网)

test2执行

                                                        (test1公网)    (test2公网)

ip tunnel del ipip0 mode ipip remote X.X.X.X local X.X.X.X ttl 255

ip tunnel add ipip0 mode ipip remote X.X.X.X local X.X.X.X ttl 255

ip link set ipip0 up

ip addr add 192.168.253.9 peer 192.168.253.8 dev ipip0

ip route add 192.168.0.1 dev ipip0 via 192.168.253.8

                     (test1内网)