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Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
Hi all. This one has me totally stumped. I have two machines here which are stand alone (and networked together via a switch).
I also want to have the machines both running via the wireless network. Problem is that if I enable the LAN, wireless stops working. You can ping the access point but there's no external access at all.
Even if I manually set IP addresses it still refuses to work. Yet two days ago it worked fine with the very same settings:-
192.168.1.11 for machine *1, 192.168.1.12 for machine *2. Other machines are on 192.168.0.* where * is between 2 and 24 Subnet is 255.255.255.0 I have confirmed that there is no visible conflict using ipconfig.
Registered Member #30
Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
If you want to talk between the machines on 192.168.1.x and the machines on 192.168.0.x then you need the subnet mask set to 255.255.0.0. Either that or there has to be some device providing a gateway between the two subnets, and all the machines need to know the IP address of the gateway. (or rather the IP addresses, since I guess it has to have one for each side.) That's my understanding of it anyway.
What's the IP address of the access point?
Have you got MS Internet Connection Sharing or some other DHCP server running on anything? If it worked once and then died, that suggests that something got bad DHCP information from somewhere.
Registered Member #56
Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
I would vote for conflicting dhcp info.... The wireless router? is probably trying to give addresses out, but the computer that was doing it before is still giving them out, causing problems.
The second problem is that you have both 192.168.1.* and 192.168.2.* That is a big mistake for home networks. You want everything to have the same ip address, except the last digit. I use: router-192.168.1.1 wired comps- 192.168.1.10-99 wireless comps-192.168.1.100-199 then set up the dhcp server to give addresses from 192.168.1.200-255
So you put any routers/printers/etc in the .2 to .9 range, wired computers in the .10-.99, wireless in the .100-.199 and if you have a friend come over they can get an address by dhcp
the subnet mask for that being 255.255.255.0 of course
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
Hi. I found something interesting, if one machine is set to manual lan (192.168.x.x) and the other is set to automatic it appears to work. If both are automatic it doesen't.
The wireless is still not working, displays symptoms of no DNS but it is configured correctly. I've tried several different settings and still nothing.
Registered Member #56
Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Some routers have a dns passthrogh option, although I think that most of them do it on their own. When I want to use a static ip address I set my dns server as the router. Seems to work fine
With the wireless, how do you have it connected to the network?
For than matter, how is everything connected? Could you give a general map of how it is connected? (looking for modem, switch (model?) , wireless (model?) and computers.
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Infuriating LAN problem
