[root@demo02 ~]# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.21.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0
10.1.0.0        0.0.0.0         255.255.255.0   U     0      0        0 eth2
10.1.1.0        0.0.0.0         255.255.255.0   U     0      0        0 eth1
0.0.0.0         192.168.21.1    0.0.0.0         UG    0      0        0 eth0