I have been trying to get my two systems talking to each other via wlan. It appears that there may be more the problem than simple configuration, though I am not certain (yet).
I tried first setting IP addresses for my two wlan cards via linuxconf (10.0.0.1 for one system, 10.0.0.2 for the other). Setup for ad-hoc mode and...nothing. No communication. Then, I followed the instructions from the web (O'Reilly) for doing this for multiple machines by running a dhcp server on one box. Though I only have two at this point, I setup a dhcp server on my laptop and have it listening on my wlan card (Prism 2). At first, I tried setting my desktop (with Orinoco Gold) to simply use DHCP. I would run "ifup eth0" on my desktop and I would get a message in my laptop /var/log/messages thus: Jun 3 13:35:57 localhost dhcpd: DHCPDISCOVER from 00:02:2d:3c:26:71 via wlan0 Jun 3 13:35:57 localhost dhcpd: icmp_echorequest 10.0.0.255: Permission denied Jun 3 13:35:58 localhost dhcpd: DHCPOFFER on 10.0.0.255 to 00:02:2d:3c:26:71 via wlan0 The desktop dhcp request would timeout and I'd end up without a connection and the desktop without an assigned IP. I then altered the dhcpd.conf file to give the desktop a static IP (assigning the MAC address to 10.0.0.5). I then would run "ifup eth0" on the desktop and it would then produce: Jun 3 15:31:39 localhost dhcpd: DHCPDISCOVER from 00:02:2d:3c:26:71 via wlan0 Jun 3 15:31:39 localhost dhcpd: DHCPOFFER on 10.0.0.5 to 00:02:2d:3c:26:71 via wlan0 Jun 3 15:32:09 localhost dhcpd: DHCPDISCOVER from 00:02:2d:3c:26:71 via wlan0 Jun 3 15:32:09 localhost dhcpd: DHCPOFFER on 10.0.0.5 to 00:02:2d:3c:26:71 via wlan0 Jun 3 15:32:50 localhost dhcpd: DHCPDISCOVER from 00:02:2d:3c:26:71 via wlan0 Repeated requests from the desktop and a reply, apparently, from the laptop dhcp server, but no success in assigning an IP. So, first a bit more information. I wanted to assign (and believe I have) 10.0.0.1 to my laptop/dhcp server. Doing "ifconfig wlan0" on the laptop indicates it is set to 10.0.0.1. I set the gateway to 10.0.0.1 as well on my desktop - as right now it is my laptop that can do dialup connections and would act as the gateway to the net if I get this working. When I manage to locate a PCI non-winmodem, I will swap it around so that my desktop is the server and the laptop... Is the setup I describe correct? Why do I get the icmp request denied from my desktop to laptop dhcp server when I simply set the dhcp server to assign any address (it seems to default to offering the last IP address in the range I notice) but do not when I set up to assign a static IP to my desktop? The other potential problem here may be hardware. The laptop works fine, as does the wlan card. The desktop is an unknown quantity. I have a PCI-to-PCMCIA adaptor in it to go along with the Orinoco Gold card. The modules it loads are wvlan_cs, ds, and yenta_socket. I have read that there may be a problem with using the yenta_socket involving a problem with the PCI bridge on recent mobos...I do get Tx timeouts wrt the Orinoco card during startup which some say is an indication of the hardware problem between 2.4 kernels, yenta, and the PCI bridge. One suggestion was to try using i82365 instead of yenta_socket (how?). I tried this but it is impossible...nothing but incorrect symbols, etc. Anyone have any wisdom to impart vis a vis dhcpd and my situation? Wlan in general and my situation? praedor
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