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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 dev eth0
[root@1314it network-scripts]#
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[root@www conf]# netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
10.10.100.0     *               255.255.255.0   U         0 0          0 eth0
169.254.0.0     *               255.255.0.0     U         0 0          0 eth1
default         e.f.g.h    0.0.0.0         UG        0 0          0 eth1 
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route add -net  10.10.101.0  netmask 255.255.255.0 gw 10.10.100.1
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