Re: Strange PC networking problem


"David Fritzinger" <dfritzin@xxxxxxxxxxxxxx> wrote in message news:dfritzin-933B35.10583024032007@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
In article <9gg9035qe3mc2d9gig2fueav0mkra758ip@xxxxxxx>,
Mayor of R'lyeh <mayor.of.rlyeh@xxxxxxxxx> wrote:

On 23 Mar 2007 23:04:52 -0700, "Dave Fritzinger"
<dfritzin@xxxxxxxxxxx> chose to bless us with the following wisdom:

>On Mar 23, 4:34 pm, Steve de Mena <ste...@xxxxxxxxxxxxxxx> wrote:
>> Dave Fritzinger wrote:
>> > On Mar 20, 10:57 am, "PC Guy" <p...@xxxxxxxxxxx> wrote:
>> >> "Tim Murray" <no-s...@xxxxxxxxxxxx> wrote in message
>>
>> >>news:0001HW.C224C9C50001C5DDF0488648@xxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>> >>> I think a key item is this:
>> >>>> I could use her computer to log in to the router,
>> >>>> and make configuration changes.
>> >>> I would not bet a lung on it, but I think in order to do that, the
>> >>> computer
>> >>> must have had an IP issued to it. Thus, we can rule out things >> >>> like
>> >>> running
>> >>> over your max IP limit. But the question is whether you can make
>> >>> config
>> >>> changes with a self-assigned IP of the form 127.x.x.x.
>> >>> The result of the ipconfig /all is important.
>> >>> I see this from time to time but usually on wireless. The times >> >>> I've
>> >>> seen
>> >>> it
>> >>> the fix was to (a) completely delete the connection from the >> >>> Networks
>> >>> control
>> >>> panel and reboot, and if that was not sufficient, then (b) remove >> >>> the
>> >>> network
>> >>> hardware adapters and reboot. The drivers are already there, so
>> >>> Windows
>> >>> should have no problem reloading them when it boots up again.
>> >> It's no wonder you Mac advocates despise Windows. It's obvious you >> >> are
>> >> completely clueless about it. There is nothing wrong with the >> >> cable,
>> >> port,
>> >> PC interface, or IP address. We know this because he said:
>>
>> >> "Finally, I could use her computer to log in to the router, and >> >> make
>> >> configuration changes."
>>
>> >> If there were a problem with any of these he would not be able to >> >> log
>> >> into
>> >> the router. Thus any suggestions to removenetworkhardware adapters,
>> >> drivers, replace the cable are completely useless. Even statically
>> >> assigning
>> >> IP addresses is very unlikely to solve the problem. The fact that >> >> he
>> >> can
>> >> connect to the router indicates that he is having issues getting >> >> off of
>> >> the
>> >> localnetwork. The likely causes of the problem are incorrect DNS
>> >> entries,
>> >> missing default router, or a bad subnet mask. Also "self-assigned" >> >> IP
>> >> addresses do not fall within the 127.0.0.0/8network. Thatnetworkis
>> >> reserved for loopback addresses. What you are thining of are >> >> private IP
>> >> addresses (PIPs, otherwise known as RFC-1918 addresses) which >> >> fallen
>> >> within
>> >> one of the following networks:
>>
>> >> 10.0.0.0/8
>> >> 127.16.0.0/12
>> >> 192.168.0.0/16
>>
>> >> Dave, before performing any of the suggestions please post the >> >> output
>> >> of the
>> >> commands I, and a few others, have given you. The two most useful >> >> ones
>> >> are
>> >> the nslookup and ipconfig commands.
>>
>> > OK, I finally got a chance to look at my wife's computer this
>> > afternoon (She usually packs it away to take to work before I get
>> > home). The problem was really simple, and something I suspected a
>> > couple of days ago. The router address that the computer was looking
>> > for was wrong (192.168.0.1 instead of 192.168.1.1, which is how the
>> > router was set up). This brings up a rather naive question about
>> > Windows. Can the networking be set up to automatically find the >> > router
>> > address?
>>
>> No, absolutely not. It has to get it from DHCP,
>> or be entered in manually.
>
>Yet, on the nework preference pane on my laptop, there are no entries
>in the DNS server box, until I plug my laptop in, either at work or at
>home, and it finds the router. Also, if what you say is the case, how
>would you conncect to networks when you are traveling, or when you go
>to Starbucks (or whatever)?

Those places use DHCP. Was your Windows networking setup to use DHCP
or a fixed address?

It was setup to use DHCP. However, and this was the problem, it had been
set up to only look for a router with the address of 192.168.0.1. My
router has the address of 192.168.1.1, so the computer didn't see it.
[snip]

This can't be true. If you configure Windows to use DHCP you have no option to specify a different gaetway. The default gateway is always assigned along with the IP address and netmask when DHCP is used. If the default gateway was set to 192.168.0.1 then you had it configured wrong on the DHCP server (most likely the router in this case). In the end this wasn't a Windows issue but merely a user error...as I suspect is the case with many of the Mac advocates issues in this forum. Not to single you out Dave but had you not written "BTW, this is a request for help, not a "Macs are better" post." we would have had a lot of Mac advocates whining about how bad Windows is even though it was user error.

.

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