Ubuntu 12.04 LTS 查看网关地址方法汇总

来源：http://blog.csdn.net/duyiwuer2009/article/details/26263855

1. ip route show

$ ip route show
default via 192.168.217.2 dev eth0  metric 100
192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1
192.168.217.0/24 dev eth0  proto kernel  scope link  src 192.168.217.129

eth0 网关地址为 192.168.217.2

2. route -n or netstat -rn

$ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.217.2   0.0.0.0         UG    100    0        0 eth0
192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0 virbr0
192.168.217.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

eth0 网关地址为 192.168.217.2

3. traceroute www.baidu.com

$ traceroute www.baidu.com
traceroute to www.baidu.com (119.75.218.77), 30 hops max, 60 byte packets
 1  localhost (192.168.217.2)  0.607 ms  0.546 ms  1.379 ms
 2  * * *
 3  * * *
 4  * * *
 5  * * *
 6  * * *
 7  * * *
 8  * * *
 9  * * *
10  * * *

第一跳的地址就是网关地址