Dear Experts, I have Red Hat Linux 7.3, with 25 users with of windows98 sharing internet connection from this pc on single dialup. script is given below iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE iptables --append FORWARD --in-interface eth0 -j ACCEPT echo 1 > /proc/sys/net/ipv4/ip_forward Now I have confgiure second modem dailup, now what should I do to use this both dailup to balance network traffic from singal dialup. please guide me if it is possible then what should I change in my script. __________________________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo http://search.yahoo.com