Dear All:

        Thank Lee Bradshaw & Hugo van der Merwe reply my questions so quickly, 
after taking a look at both files " /etc/init.d/network "
and " /etc/pcmcia/network.opts ", I still have the same questions about the IPs:

        1. In my " /etc/init.d/network " simply has two entries :

            ifconfig lo 127.0.0.1
            route add -net 127.0.0.0

        2. In my " /etc/pcmcia/network.opts " has following information :

            case "$ADDRESS" in
            *,*,*,*)
                    IF_PORT="auto"
                    # Use BOOTP [y/n]
                    BOOTP="n"
                    IPADDR="192.168.1.2"
                    NETMASK="255.255.255.0"
                    NETWORK="192.168.1.0"
                    BROADCAST="192.168.100.255"
                    GATEWAY="192.168.1.254"
                    DOMAIN="birdynest.com.tw"
                    DNS_1="192.168.1.1"
                    ;;
            esac

        Well, I do use Lap-top to install Debian 2.1,  since the first time 
installation, I only use one network pc-card, and assign it an IP
address for my home-network, but now I insert the 2nd network pc-card to 
simulate an router ( sure I re-compile it as an router ).  As soon
as I rebooting the Linux, then I found both eth0, eth1 use the same IP ( 
192.168.1.2 witch assigned from the beginning ), at the same
time, I put this Linux router into a different network environment which have 
totally different subnet from the original home-network, one is
eth0 192.168.2.254 netmask 255.255.255.0 ---> 192.168.2.0/24 another eth1 
192.168.3.253 netmask 255.255.255.0 ---> 192.168.3.0/24 , and given this router 
a default route "0.0.0.0/0.0.0.0 192.168.3.254 :

        |--------------------192.168.2.254 | Linux 
|192.168.3.253--------------------192.168.3.254|

in order to change IPs to the different NICs, and modify its routing table, I 
issue following command:

ifconfig eth0 192.168.2.254 broadcast ....... netmask .......
route add -net 192.168.2.0 netmask ...... eth0
ifconfig eth1 192.168.3.253 broadcast ....... netmask .......
route add -net 192.168.3.0 netmask ...... eth0
route add default gw 192.168.3.254

of cause it will lost when the Linux have to reboot,  so, should I modify the 
/etc/init.d/network via inserting these commands or what to do
with the /etc/pcmcia/network.opts ?  which file is actually referenced during 
booting processes, or,  overwrite the configuration after
booting completely ?

        Finally, those information, such like hostname, domain name, dns, ..... 
etc., which files should to be modified ?

                                                                        Thanks !
                                                                        
Nazareth Shu
                                                                        [EMAIL 
PROTECTED]
                                                                        Jun. 7, 
2000

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