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#1
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IP conflict
I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At
some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. Also the ME is the one as the host and the rest are guest. Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. |
#2
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How are you allocating IP addresses? Manually or automatically? If you
are using a router it is probably easiest to use the DHCP server in the router to allocate IP addresses and to configure each of the client PCs to obtain an IP address automatically. You can configure this on the Properties sheet for the TCP/IP entry for the network card on each PC. You can access this using Network in the Control Panel or right clicking on Network Neighbourhood on the desktop and selecting Properties. Highlight TCP/IP, click Properties, and on the IP Address tab check "Obtain an IP address automatically". Repeat for each PC. If you need to have one IP use a fixed IP address ensure that the address used is not in the range available to the DHCP server on the router. -- Mike Maltby Chris wrote: I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. Also the ME is the one as the host and the rest are guest. Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. |
#3
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Mike, thanks for the kind reply! All the PCs are set to obtain IP
automatically. I don't know, at this point, how the IPs got switched between the ME (mothership) and the XP. "Mike M" wrote: How are you allocating IP addresses? Manually or automatically? If you are using a router it is probably easiest to use the DHCP server in the router to allocate IP addresses and to configure each of the client PCs to obtain an IP address automatically. You can configure this on the Properties sheet for the TCP/IP entry for the network card on each PC. You can access this using Network in the Control Panel or right clicking on Network Neighbourhood on the desktop and selecting Properties. Highlight TCP/IP, click Properties, and on the IP Address tab check "Obtain an IP address automatically". Repeat for each PC. If you need to have one IP use a fixed IP address ensure that the address used is not in the range available to the DHCP server on the router. -- Mike Maltby Chris wrote: I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. Also the ME is the one as the host and the rest are guest. Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. |
#4
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Mike, I turned off the cable modem. Unplugged the router. Turned off all the
PCs. Turned the modem back on, ME on, router on, and THEN the other PCs. The correct IP was assigned to the ME and XP and no more message, thus far at least. I hope it stays that way. Thanks for taking the time. "Chris" wrote: Mike, thanks for the kind reply! All the PCs are set to obtain IP automatically. I don't know, at this point, how the IPs got switched between the ME (mothership) and the XP. "Mike M" wrote: How are you allocating IP addresses? Manually or automatically? If you are using a router it is probably easiest to use the DHCP server in the router to allocate IP addresses and to configure each of the client PCs to obtain an IP address automatically. You can configure this on the Properties sheet for the TCP/IP entry for the network card on each PC. You can access this using Network in the Control Panel or right clicking on Network Neighbourhood on the desktop and selecting Properties. Highlight TCP/IP, click Properties, and on the IP Address tab check "Obtain an IP address automatically". Repeat for each PC. If you need to have one IP use a fixed IP address ensure that the address used is not in the range available to the DHCP server on the router. -- Mike Maltby Chris wrote: I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. Also the ME is the one as the host and the rest are guest. Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. |
#5
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Thanks for posting back Chris and I'm pleased to see you've managed to
solve the problem. It seems as if one of the PCs was caching its allocated IP address, perhaps when turned off or otherwise disconnected from the LAN. The DHCP server on the router then allocated that address to another PC after which the first PC decided to reconnect thus causing the IP address conflict. Not being a network guy I don't know what that might have happened. Perhaps Steve Winograd who posts here will explain, Cheers, -- Mike Maltby Chris wrote: Mike, I turned off the cable modem. Unplugged the router. Turned off all the PCs. Turned the modem back on, ME on, router on, and THEN the other PCs. The correct IP was assigned to the ME and XP and no more message, thus far at least. I hope it stays that way. Thanks for taking the time. |
#6
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On Sat, 1 Oct 2005 14:36:02 -0700, Chris wrote:
I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. *****Also the ME is the one as the host and the rest are guest.***** Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. Then later, on Sat, 1 Oct 2005 16:09:03 -0700, Chris wrote again, in message : Mike, I turned off the cable modem. *****Unplugged the router.***** Turned off all the PCs. Turned the modem back on, ME on, router on, and THEN the other PCs. The correct IP was assigned to the ME and XP and no more message, thus far at least. I hope it stays that way. Thanks for taking the time. Now I am confused. There is no way that the Windows ME computer, or any computer on a LAN with a router device, should be hosting an Internet connection. It you are connecting to a cable modem through a router, you should not be running ICS; and, without ICS, the Windows ME is just one peer on the LAN, not a host. (Actually, in an ICS network, the ICS device is not the "host", but the "gateway"; in a LAN behind a router, the router is the "gateway".) -- Norman ~Win dain a lotica, En vai tu ri, Si lo ta ~Fin dein a loluca, En dragu a sei lain ~Vi fa-ru les shutai am, En riga-lint |
#7
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#8
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Hi Norman, I am not running ICS. Simply a LAN to share printer, file and
folders. Thank you for the comment. N. Miller" wrote: On Sat, 1 Oct 2005 14:36:02 -0700, Chris wrote: I am running 3 pc LAN composed of ME,XP,'98 using linksys hard wired. At some point once in a while and now everytime I get the following message: "Windows The system has detected a conflict for IP address.....101 with the system having hardware address...... The interface has been disabled." 101 used to be the xp but I am now seeing it on ME. I don't know how the switch occured. ME used to be 100 and now the XP is 101. *****Also the ME is the one as the host and the rest are guest.***** Everything is fine except I get this message now and it does not go away. Any thoughts will be appreciated. Then later, on Sat, 1 Oct 2005 16:09:03 -0700, Chris wrote again, in message : Mike, I turned off the cable modem. *****Unplugged the router.***** Turned off all the PCs. Turned the modem back on, ME on, router on, and THEN the other PCs. The correct IP was assigned to the ME and XP and no more message, thus far at least. I hope it stays that way. Thanks for taking the time. Now I am confused. There is no way that the Windows ME computer, or any computer on a LAN with a router device, should be hosting an Internet connection. It you are connecting to a cable modem through a router, you should not be running ICS; and, without ICS, the Windows ME is just one peer on the LAN, not a host. (Actually, in an ICS network, the ICS device is not the "host", but the "gateway"; in a LAN behind a router, the router is the "gateway".) -- Norman ~Win dain a lotica, En vai tu ri, Si lo ta ~Fin dein a loluca, En dragu a sei lain ~Vi fa-ru les shutai am, En riga-lint |
#9
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On Sun, 2 Oct 2005 11:00:57 +0100, Mike M wrote:
On Sat, 1 Oct 2005 14:36:02 -0700, Chris wrote: snip *****Also the ME is the one as the host and the rest are guest.***** snip Norman, Where exactly does the OP say he is running ICS? He doesn't say it explicitly, but... As far as I can see he makes no reference to ICS so why complicate matters? Matters were already complicated by using terminology which I found confusing. Or can you explain that quote I left intact after much snipage? Please explain it in the context of a Peer-to-Peer network? Which is what I assume he is posting about. -- Norman ~Win dain a lotica, En vai tu ri, Si lo ta ~Fin dein a loluca, En dragu a sei lain ~Vi fa-ru les shutai am, En riga-lint |
#10
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On Sun, 2 Oct 2005 05:06:01 -0700, Chris wrote:
Hi Norman, I am not running ICS. Simply a LAN to share printer, file and folders. Thank you for the comment. Well, I suppose the computer connected printer can make that computer a "host"; but, generally, when I think of a peer-to-peer network, I don't think of "hosts" and "guests". -- Norman ~Win dain a lotica, En vai tu ri, Si lo ta ~Fin dein a loluca, En dragu a sei lain ~Vi fa-ru les shutai am, En riga-lint |
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