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eth1     Link encap:Ethernet  HWaddr 00:E0:4C:D0:14:93
            inet6 addr: fe80::2e0:4cff:fed0:1493/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:6 errors:0 dropped:0 overruns:0 frame:0
            TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
            collisions:4 txqueuelen:1000
            RX bytes:748 (748.0 b)  TX bytes:1494 (1.4 KiB)
            Interrupt:17 Base address:0xe000
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[root@server ~]# free -m
total used free shared buffers cached
Mem: 249 16 ......

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 route add -net  10.10.101.0  netmask 255.255.255.0 gw 10.10.100.1
cat route-eth0
10.10.101.0/24 via 10.10.100.1 dev eth0
/etc/rc.d/init.d/network restart
netstat -r
[root@1314it network-scripts]# cat /etc/sysconfig/network-scripts/route-eth0
123.123.123.0 via 156.156.156.156 de ......

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