[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
10.1.1.0        0.0.0.0         255.255.255.0   U     0      0        0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth1
0.0.0.0         192.168.21.1    0.0.0.0         UG    0      0        0 eth0[root@demo02 ~]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0E:A6:76:2F:F9
          inet addr:192.168.21.12  Bcast:192.168.21.255  Mask:255.255.255.0
          inet6 addr: fe80::20e:a6ff:fe76:2ff9/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:51213 errors:0 dropped:0 overruns:0 frame:0
          TX packets:15978 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:8978986 (8.5 MiB)  TX bytes:2188530 (2.0 MiB)
          Interrupt:5 Base address:0x8800

eth1      Link encap:Ethernet  HWaddr 00:40:05:43:07:AA
          inet addr:10.1.1.1  Bcast:10.1.1.255  Mask:255.255.255.0
          inet6 addr: fe80::240:5ff:fe43:7aa/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8332 errors:1 dropped:0 overruns:0 frame:0
          TX packets:7792 errors:3 dropped:0 overruns:0 carrier:3
          collisions:0 txqueuelen:1000
          RX bytes:812022 (792.9 KiB)  TX bytes:747633 (730.1 KiB)
          Interrupt:10 Base address:0xe000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:188 errors:0 dropped:0 overruns:0 frame:0
          TX packets:188 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:17440 (17.0 KiB)  TX bytes:17440 (17.0 KiB)