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#11
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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. |
#12
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Problem with a fixed-IP address in the LAN
Paul D.Smith wrote:
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. Well, for this specific LAN I use the addresses 200.0.0.X and subnet 255.255.255.0. The DHCP is so configured in order to assign the addresses in the range 200.0.0.100 - 200.0.0.255. In this way I use the range 200.0.0.0 - 200.0.0.99 for all fixed IPs and let the router to assign the rest in the range 100-255 (in this way I get never conflicts). The router themself is at 200.0.0.200. With this schema I have no problem with all other PCs in the LAN: they all run fine (even if an old win95 PC with fixed IP). This Win98SE PC is the only that does not work with fixed IP, I cannot find in its network setting any specific difference against the other PCs of the LAN. |
#13
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Problem with a fixed-IP address in the LAN
Paul D.Smith wrote:
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. Well, for this specific LAN I use the addresses 200.0.0.X and subnet 255.255.255.0. The DHCP is so configured in order to assign the addresses in the range 200.0.0.100 - 200.0.0.255. In this way I use the range 200.0.0.0 - 200.0.0.99 for all fixed IPs and let the router to assign the rest in the range 100-255 (in this way I get never conflicts). The router themself is at 200.0.0.200. With this schema I have no problem with all other PCs in the LAN: they all run fine (even if an old win95 PC with fixed IP). This Win98SE PC is the only that does not work with fixed IP, I cannot find in its network setting any specific difference against the other PCs of the LAN. |
#14
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Problem with a fixed-IP address in the LAN
"Giobibo" wrote in message ... CJT wrote: Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? |
#15
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Problem with a fixed-IP address in the LAN
"Giobibo" wrote in message ... CJT wrote: Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? |
#16
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Problem with a fixed-IP address in the LAN
Haggis wrote:
Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? No, normally not, because in all other PCs I do not set DNS and Gateway if do not need internet connection and they still work in the LAN. For those PCs with specific IP where I need an internet connection I set the gateway as the IP of the router and the two DNS addresses provided by my internet provider. |
#17
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Problem with a fixed-IP address in the LAN
Haggis wrote:
Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? No, normally not, because in all other PCs I do not set DNS and Gateway if do not need internet connection and they still work in the LAN. For those PCs with specific IP where I need an internet connection I set the gateway as the IP of the router and the two DNS addresses provided by my internet provider. |
#18
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Problem with a fixed-IP address in the LAN
Giobibo wrote:
Haggis wrote: Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? No, normally not, because in all other PCs I do not set DNS and Gateway if do not need internet connection and they still work in the LAN. For those PCs with specific IP where I need an internet connection I set the gateway as the IP of the router and the two DNS addresses provided by my internet provider. From the information you have provided, it seems it should work. Check that your router has the latest firmware. I suspect it is buggy. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#19
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Problem with a fixed-IP address in the LAN
Giobibo wrote:
Haggis wrote: Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? No, normally not, because in all other PCs I do not set DNS and Gateway if do not need internet connection and they still work in the LAN. For those PCs with specific IP where I need an internet connection I set the gateway as the IP of the router and the two DNS addresses provided by my internet provider. From the information you have provided, it seems it should work. Check that your router has the latest firmware. I suspect it is buggy. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#20
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Problem with a fixed-IP address in the LAN
CJT wrote:
Giobibo wrote: Haggis wrote: Perhaps you entered an incompatible netmask. No, the netmask is the right one, as in all other PCs of the LAN. When using a specific IP address ..do you specify DNS and Gateway also ? No, normally not, because in all other PCs I do not set DNS and Gateway if do not need internet connection and they still work in the LAN. For those PCs with specific IP where I need an internet connection I set the gateway as the IP of the router and the two DNS addresses provided by my internet provider. From the information you have provided, it seems it should work. Check that your router has the latest firmware. I suspect it is buggy. .... that is, of course, unless there's a problem with the Windows installation. :-) -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
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