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#1
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Problem with a fixed-IP address in the LAN
I have a wired LAN and router with integrated switch.
The network is configured as peer-to-peer windows workgroup with many different systems: WinXP, NT4, Win2000, Win95 and Win98SE. The router offers DHCP featu thus I have configured some PCs in order to get automatically the IP address, some other PCs must have instead a fixed IP. Well till now all work fine. I have now a Win98SE notebook: it works in the LAN only if I set "Obtain an IP address automatically". On the other hand if I set "Specify an IP address" and give a compatible address I cannot access shared resource in the LAN. I can see the are PC of the LAN in explorer "network neighborhood", but if I click on the PC-name then I get no access. Moreover from a DOS box I cannot ping the other PCs. I tried changing the IP address (using always free addresses), but I got no results. In my LAN I have other win95 and win98 PCs with fixed IP-address. I repeated for this notebook the same network configuration as for those Win9x PCs, but i do not understand why it does work only with automatic IP and not with fixed IP-Address. Any suggestion? Thank you for replying. Gio |
#2
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Problem with a fixed-IP address in the LAN
Giobibo wrote:
I have a wired LAN and router with integrated switch. The network is configured as peer-to-peer windows workgroup with many different systems: WinXP, NT4, Win2000, Win95 and Win98SE. The router offers DHCP featu thus I have configured some PCs in order to get automatically the IP address, some other PCs must have instead a fixed IP. Well till now all work fine. I have now a Win98SE notebook: it works in the LAN only if I set "Obtain an IP address automatically". On the other hand if I set "Specify an IP address" and give a compatible address I cannot access shared resource in the LAN. I can see the are PC of the LAN in explorer "network neighborhood", but if I click on the PC-name then I get no access. Moreover from a DOS box I cannot ping the other PCs. I tried changing the IP address (using always free addresses), but I got no results. In my LAN I have other win95 and win98 PCs with fixed IP-address. I repeated for this notebook the same network configuration as for those Win9x PCs, but i do not understand why it does work only with automatic IP and not with fixed IP-Address. Any suggestion? Thank you for replying. Gio Perhaps you entered an incompatible netmask. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#3
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Problem with a fixed-IP address in the LAN
Giobibo wrote:
I have a wired LAN and router with integrated switch. The network is configured as peer-to-peer windows workgroup with many different systems: WinXP, NT4, Win2000, Win95 and Win98SE. The router offers DHCP featu thus I have configured some PCs in order to get automatically the IP address, some other PCs must have instead a fixed IP. Well till now all work fine. I have now a Win98SE notebook: it works in the LAN only if I set "Obtain an IP address automatically". On the other hand if I set "Specify an IP address" and give a compatible address I cannot access shared resource in the LAN. I can see the are PC of the LAN in explorer "network neighborhood", but if I click on the PC-name then I get no access. Moreover from a DOS box I cannot ping the other PCs. I tried changing the IP address (using always free addresses), but I got no results. In my LAN I have other win95 and win98 PCs with fixed IP-address. I repeated for this notebook the same network configuration as for those Win9x PCs, but i do not understand why it does work only with automatic IP and not with fixed IP-Address. Any suggestion? Thank you for replying. Gio Perhaps you entered an incompatible netmask. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#4
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Problem with a fixed-IP address in the LAN
Perhaps you entered an incompatible netmask. Sure this PC is not clashing with one given the same IP address through DHCP? Also, did you know that you can get DHCP to reserve a specific address for a specific machine (actually specific MAC address on the network card in that machine)? This can allow you to set all machines the "DHCP" but ensure that specific machines always get the same IP address. Paul DS. |
#5
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Problem with a fixed-IP address in the LAN
Perhaps you entered an incompatible netmask. Sure this PC is not clashing with one given the same IP address through DHCP? Also, did you know that you can get DHCP to reserve a specific address for a specific machine (actually specific MAC address on the network card in that machine)? This can allow you to set all machines the "DHCP" but ensure that specific machines always get the same IP address. Paul DS. |
#6
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Problem with a fixed-IP address in the LAN
CJT wrote:
Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. |
#7
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Problem with a fixed-IP address in the LAN
CJT wrote:
Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. |
#8
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Problem with a fixed-IP address in the LAN
Paul D.Smith wrote:
Perhaps you entered an incompatible netmask. Sure this PC is not clashing with one given the same IP address through DHCP? No, I am sure, the IP I choose is a free one. Also, did you know that you can get DHCP to reserve a specific address for a specific machine (actually specific MAC address on the network card in that machine)? This can allow you to set all machines the "DHCP" but ensure that specific machines always get the same IP address. No, I did not know (anyway I cannot find this feature in moy router). But I do not think it could help, because for that notebook I need the setting "Specify an IP address" and not "Obtain an IP address automatically" because the notebook will be used in other LAN whitout DHCP too. |
#9
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Problem with a fixed-IP address in the LAN
Paul D.Smith wrote:
Perhaps you entered an incompatible netmask. Sure this PC is not clashing with one given the same IP address through DHCP? No, I am sure, the IP I choose is a free one. Also, did you know that you can get DHCP to reserve a specific address for a specific machine (actually specific MAC address on the network card in that machine)? This can allow you to set all machines the "DHCP" but ensure that specific machines always get the same IP address. No, I did not know (anyway I cannot find this feature in moy router). But I do not think it could help, because for that notebook I need the setting "Specify an IP address" and not "Obtain an IP address automatically" because the notebook will be used in other LAN whitout DHCP too. |
#10
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Problem with a fixed-IP address in the LAN
Comments below.
Paul DS. "Giobibo" wrote in message ... Paul D.Smith wrote: Perhaps you entered an incompatible netmask. Sure this PC is not clashing with one given the same IP address through DHCP? No, I am sure, the IP I choose is a free one. Also, did you know that you can get DHCP to reserve a specific address for a specific machine (actually specific MAC address on the network card in that machine)? This can allow you to set all machines the "DHCP" but ensure that specific machines always get the same IP address. No, I did not know (anyway I cannot find this feature in moy router). But I do not think it could help, because for that notebook I need the setting "Specify an IP address" and not "Obtain an IP address automatically" because the notebook will be used in other LAN whitout DHCP too. Lets say your router assigned 192.168.0.X (quite common). What IP address have you given the PC? If it is not a "192.168.0.X" style address, it probably won't work because your router will look at the address and the address mask (255.255.255.0 commonly) and then dump any packets that don't match. So you need to make sure that your static address matches the subnet of the router. If this means that it must look like a DHCP address, then you should both provide a static IP address and also ensure that your router does not assign that address to another PC. What is the netmask and IP address you are using, and if you request DHCP, what IP address and netmask does the router assign? Knowing these might help the NG readers help you further. Paul DS. |
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