vi /etc/iproute2/rt_tables(增加电信和网通两个路由表)
252 tel //(电信)
251 cnc //(网通)
vi /etc/rc.d/rc.local
ip route replace default via 61.139.99..1 dev eth1
ip route flush table tel
ip route add default via 61.139.99..1 dev eth1 src 61.139.99..5 table tel
ip rule add from 61.139.99..5 table tel
ip route flush table cnc
ip route add default via 123.138.36.65 dev eth0 src 123.138.36.79 table cnc
ip rule add from 123.138.36.79 table cnc