Yeah yeah, there is an OT forum. But who the hell reads it and I need help now. =P So please forgive me..

Okee.. We just got cable for broadband at my place of work. I'm running NETBEUI and TCP/IP. I have two hubs. One has an uplink port and the other doesn't. That wasn't a problem when we didn't have cable. Now the cable modem goes into the uplink port and I have a crossover cable connecting the two hubs. All the machines connected to the hub with the cable modem physically attached to it connect fine. They pick up their IP addresses just fine. But, the boxes on the hub downstairs can't get their IPs. They actually come up with weird IPs. Like "169.254.147.441/255.255.0.0". The cable companies addresses are "24.168.xx.xx/255.255.254.0". So I don't know where the machines on the other hub are getting their numbers from. I've been working on this for two days reading books.. no go.. HELP!! Losing sleep over this one. Is there something physically wrong with my setup?

ZuM

 

the 169 addresses are the adresses of the NIC cards. I believe that you have to use a crossover cable to the Uplink port on the hub, then another crossover cable to link up to the 2nd hub. Try that and let me know what happens.

Del

 

This setup should work. Maybe the crossover is bad?

An alternative could be:
Have the cable modem run into a computer with two Network Cards. Then have one of the cards go out to the hub. Then use sygate or wingate (or similar program) to assign IP addresses or do it dynamically. This also allows the person at the main computer to create priority schemes and also to limit or filter other users on the system. This is good if you the admin so then you can give yourself number one priority. The only disadvantage is that the main computer (the one with two NICs) has to be on all the time. I have this setup in my house. I'm running Winroute, you can get a shareware version for free. If you have more questions email me.

breaux124@yahoo.com

 

The crossover isn't bad because my local network still works over netbeui. =/ So everything works.. And the setup you're talking about.. I'm trying to avoid that.. Otherwise I would have gone with a linux box as a firewall.. I'm trying to not have to do that yet.. Have other things to do.. =P

ZuM

 

j/k

I bet its because all these computers are connected to the downstairs hub and they're all trying to get ips through that one port on the upstairs hub. are these hubs 10/100 switches?

have you tried connecting the cable downstairs and see if everyone gets an ip and then connect the upstairs hub to the downstairs since the upstairs has an uplink port?

My home cable modem setup is similiar to breaux124 but I'm using win2000's internet connection sharing since its built into windows and its free. I tried wingate before ICS was included with windows and I found that it didn't share the connection as well as windows ICS does. wingate gave the main computer the most bandwidth but maybe I had to change some of the default settings.

If there is a computer that does stay on all the time (you guys should have a server) then add another NIC to that and run ICS.

I wonder if this would work (I haven't tried this before since I've never ben in this situation) but how does this sound?

upstairs computers are fine and on the net. put your ICS server on the upstairs hub and run ICS on it so one NIC connects to the upstairs hub and one NIC connects to the downstairs hub on a straight thorugh wire not a crossover since your connecting a machine to the hub. if your running a 10/100 switch all users should get the same bandwidth.

Who's da man!?

 

need to be in the uplink. any port will do. make sure the cable company has you provisioned for multiple IP's. Your other PCs are getting IPs assigned from some device (usually in the gateway box). Make sure the points to your cable co and they will assign the right IP's if your account is setup for that. (or you have NAT on your cable modem, in which case its IP would be your gateway)

 

This is pretty silly actually. All I had to do was reset the cable modem and turn of my NT box's DHCP Relay. I was checking the wires and I noticed a little button on the back of the cable modem. I was like.. what the hell.. So I pressed it.. The modem went into test mode and started going nuts with port 1 on the hub it was attached to. That would be the NT box. But the NT box isn't set to accept DCHP. The ports blinked at each other for a few mintues. And the cable modem wouldn't come back onto ready mode. So I turned off the NT box and everything worked. So I figured it was the DHCP that the cable modem didn't like. Problem solved.

Thanks for your time anyways guys.. Now you guys now if you ever run into something stupid like this.. =P

ZuM

 

Oh, so you forgot to mention your NT box as the dhcp server Always shutdown everything before brining up a network duh! j/k its always something simple