Dave, We get the addresses 169.254/16 due to the fact that windows 2000 and XP have autoconfiguration protocols embedded into the OS. This is a separate developing technology known as zeroconf (http://www.zeroconf.org/). According to this, a machine will first look for any DHCP service available to get an IP address. If there is no DHCP, it configures itself with 169.254/16 addresses. This is very similar to Apple's Appletalk. In fact apple has embedded this protocol (to some extent) in its latest Mac OS X .(http://www.apple.com/macosx/jaguar/rendezvous.html) -Phani. ----- Original Message ----- From: "Levinshtein, Eyal" <Eyal.Levinshtein@Primedia.com> To: <psyche-list@redhat.com> Sent: Thursday, January 30, 2003 2:46 PM Subject: RE: Wireless Networking, no gateway, no DNS. > Dave, > First I would like to say thank you so much for your time and > dedication, I truly appreciate it. > > Second, reply to your message: > > The diagram you drew is 100% accurate in Windows XP. > > In WINDOWS XP: When the Laptop was configured to obtain IP from the Lucent > AP, It GETS 169.254.93.100 (but no GW or DNS) That is why I had to hard code > it. (one test should be to find out what the internal IP of the WAP) > > > On my Red Hat Linux 8.0 (Dual Boot) using the above config, it doesnt want > to work. > > > Let me know your thoughts, > > Eyal > > > > > Let's draw this out in a diagram: > > Laptop---(wireless)--------Lucent WAP===(ethernet)==Linksys router > 169.254.93.100/16 (right) 169.254.x.x/16 (left) > 192.168.1.150/24 (right) 192.168.1.1/24 (left) > 24.x.x.x (right) > > Does this make sense? I had to go back and look over your comments again > to put this together. It sounds/looks like the Lucent gets its IP via > DHCP from the Linksys, and your laptop gets its IP via DHCP from the > Lucent WAP. Apparently, however, this is not happening. Instead, you > have to hard-code your IP and DNS entries in your laptop to make it > work. Is this correct? > > Do you know the inside ("left" in the diagram) IP address of your Lucent > WAP? Given that your subnet is 255.255.0.0 (16 bits, thus my /16 > notation), the IP should follow the pattern I show in the diagram, > 169.254.x.x. > > It sounds like DHCP is not working in the Lucent. This would explain why > you had to hard-code your IP address, subnet mask, and DNS entries in > WinXP. If you can get it working, you should be ok. In truth, it doesn't > make any sense to me that WinXP shows the 169.254.x.x address, because > that address space is only supposed to be used for APIPA (a different > kind of automatic IP addressing), not DHCP. > > If my diagram is incorrect, then please correct it (including IP > addresses) so we have a better understanding of how things are laid out. > > -- > Dave Sherman > MCSE, MCSA, CCNA > "If we wanted you to understand it, we wouldn't call it code." > > -----Original Message----- > From: Dave Sherman [mailto:dsherman@real-time.com] > Sent: Thursday, January 30, 2003 1:54 PM > To: RedHat 8.0 > Subject: RE: Wireless Networking, no gateway, no DNS. > > > On Thu, 2003-01-30 at 11:56, Levinshtein, Eyal wrote: > > Dave, > > Thanks for your reply, here is the scoop about the IP addressing. > > Let me know what you think. > > > > > > My external IP is 24.x.x.x > > > > The default Gateway is the Linksys router 192.168.1.1 > > > > LinkSys is configured for DHCP (Obtain IP, and DHCP Enabled.) > > > > The Lucent gets an IP 192.168.1.150 (Hard Coded) > > > > The Windows XP client was setup to obtain IP from the (Lucent AP-500) and > it > > was assigned as follow: > > > > IP Address. . . . . . . . . . . . : 169.254.93.100 > > Subnet Mask . . . . . . . . . . . : 255.255.0.0 > > Default Gateway . . . . . . . . . : 192.168.1.1 > > DNS Servers . . . . . . . . . . . : 167.206.3.207 > > 167.206.7.4 > > > > When the access point was configured to obtain an IP (from the linksys > > router), the gateway and DSN were not supplied to the wireless client (in > > Windows XP). So, In windows, I had to hard code the IP, Gateway, DNS. > > > > > > I used the same setings in Linux as above but it doesnt want to work. > > > > Question: Should the Laptop be at 192.168.1.xx / 255.255.255.0 ? > > > > -- > Psyche-list mailing list > Psyche-list@redhat.com > https://listman.redhat.com/mailman/listinfo/psyche-list -- Psyche-list mailing list Psyche-list@redhat.com https://listman.redhat.com/mailman/listinfo/psyche-list
