Mandrake and a new ISP

I have an internet broadband account with Insight Communications in which they are NOT PPP'ing me a dynamic address, as was the case with my previous ISP.

I've been toying with Mandrake Linux for a few months now and think i know which files to change to accomodate my ISP change. these are listed below.....

i got rid of the process that dealt with having my address PPP'd to me, called 'adsl' from
http://users.dslextreme.com/~craig.l...notes/dsl.html
by typing 'chkconfig adsl off', and thats not starting at boottime now.

I guess I technically cheated in getting the following info by plugging the internet cable into my windows machine and typing 'ipconfig -all', after installing INsight's B#\$%^& software and connecting that way....but i want to plug into my linux maching and use that as my gateway. i can connect internally to windows machines, but cannot ping my gateway at Insight. all this info is NOT changing when i reboot my windows machine, eventhough i have a dynamic accout:

Me/windoze2000pro>ipconfig -all

DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 12.221.111.41
Subnet Mask . . . . . . . . . . . : 255.255.248.0
Default Gateway . . . . . . . . . : 12.221.104.1
DHCP Server . . . . . . . . . . . : 12.223.2.34
DNS Servers . . . . . . . . . . . : 63.240.76.4
204.127.198.4
& on my linux:

/etc/resolv.conf

nameserver 63.240.76.4
nameserver 204.127.198.4

/etc/sysconfig/network

NETWORKING=yes
FORWARD_IPV4=false
HOSTNAME=gatekeeper
#DOMAINNAME=www.
GATEWAY=12.221.104.1
GATEWAY=eth0

/etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=none
NETWORK=12.221.104.1
ONBOOT=yes

/etc/sysconfig/network-scripts/ifcfg-eth1

DEVICE=eth1
BOOTPROTO=static