如何在路由表中查找IP地址(检索网络接口索引和MAC)而不发送任何数据包?
您可以使用ip
命令:
# ip route get to 74.125.228.197
74.125.228.197 via 192.168.1.1 dev eth0 src 192.168.1.100
一旦你知道了接口,你就可以得到它的索引和链接/以太(MAC)地址:
# ip addr show eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 100
link/ether 88:00:00:00:f2:4c brd ff:ff:ff:ff:ff:ff
inet 192.168.1.100/24 brd 192.168.1.255 scope global eth0
inet6 fe80::3039:34ff:fe2c:f24c/64 scope link
valid_lft forever preferred_lft forever