On Sun, 12 Apr 1998, Jonas Bofjall wrote:
> Here is my situation: I want to connect a laptop to the Internet using a > PLIP connection to my Ethernet-connected workstation. This pretty much > sums up what I have tried (except for those ifconfig's): > > on laptop: > route add <workstation-ip> plip0 > route add default gw <workstation-ip> > > on workstation: > route add <laptop-ip> plip0 > arp -s <laptop-ip> <workstation-hw-addr> > > I can ping any host on the LAN from that laptop now (including our > router), but I can't access the outside world. This is the first time > I do this and I have probably understood something wrong. > > A question: How does the router know that the hardware address of the > laptop's IP (which normally belongs to another workstation that I have > turned off) has changed? Previously I have switched Ethernet cards in > a workstation and I had no problems accessing the Internet. How did the > router find out the address had changed? Is there some sort of broadcast > protocol that works the other way around, like: "i am <hw-addr> and I > have IP <ip-addr>"? Is this the key? > > The laptop is running bo and the workstation a mix of bo and hamm. > Thanks for any explanations here (I've read NAG and NET3-HOWTO)... > I had the same problem and got the following (working) answer in this list: ipfwadm -F -p deny ipfwadm -F -a m -S 192.168.1.0/24 -D 0.0.0.0/0 192.168.1.1 and 192.168.1.2 are the IPs of my PCs (192.168.1.0 is the "network adress" or "broadcast adress", i think(?). Add these 2 lines in "/etc/init.d/network" on your workstation. If these lines produce error messages, your kernel may lack something (e.g.: "ip forwarding"). AFAIK the kernel image provided by debian lacks this. An your laptop add "route add gw ......" (I dont know this exactly, because my laptop runs win95) cu florian attenberger -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]