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Can't ping anything on LAN

By bradq ·
Hi. We have a new Gateway laptop with Windows XP Home running on our network (Yikes). Its setup on our LAN with TCP/IP but can't ping anything.
ip: 192.168.100.200
subnet: 255.255.255.0
default: 192.168.100.254

I can ping anything on the Internet and browse the Internet. I can't ping the default gateway or any other machines on the LAN. I know its not the cable because I can unplug the network cable from the laptop and put in another machine and the other pc will work ok.

Is this justa Gateway issue or is something else going on here? I don't want to load up IPX/SPX or any other protocols. I would like to keep everything TCP/IP.

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Can't ping anything on LAN

by Joseph Moore In reply to Can't ping anything on LA ...

Did you try a tracert to something past the gateway, just to make sure you are routing through the gateway???

Also, what kind of switch/hub are you plugged into? Is it a hub, or a switch, cause remember, switches break up collision domain, but not broadcast domains. If you are plugged into a hub, then you should be able to PING other LAN devices plugged into the same hub.
If you use a switch, you still also should be able to PING other LAN devices without needing a router to do the routing.

The other LAN devices are on the same 192.168.100.0/24 segment, right? Same subnet mask on them?

The only other thing I can think of is that the switch you are connected to is blocking ICMP packets from passing from the ports they originate to, unless you route the packets outside of the LAN. If your destination is not your subnet, then ICMP is allowed to pass on. Sure, this would be really WEIRD, but possible.
So again, I suggest you look at the switching infrastructure at the office you are at. How do they have it set up?

hope this helps

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Can't ping anything on LAN

by bradq In reply to Can't ping anything on LA ...

The question was auto-closed by TechRepublic

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Can't ping anything on LAN

by BobHo In reply to Can't ping anything on LA ...

I had a similar problem once where a new machine was doing the same thing. It turned out to be an issue with netwrok card speed. The new machine was running at 100mb/sec and the other machines were running at 10mb/sec. When I dropped the new machine to 10mb/sec it functioned appropriately with the other machines.

Just a stab in the dark.

DrBob:&gt

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Can't ping anything on LAN

by bradq In reply to Can't ping anything on LA ...

The question was auto-closed by TechRepublic

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Can't ping anything on LAN

by mcarlsobay In reply to Can't ping anything on LA ...

Another shot you can try is to uninstall al TCP/IP and reinstall it.

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Can't ping anything on LAN

by bradq In reply to Can't ping anything on LA ...

The question was auto-closed by TechRepublic

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Can't ping anything on LAN

by chrisnl In reply to Can't ping anything on LA ...

Do you have Norton Internet Security or any similar software enabled? If so try temporarily disabling it.

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Can't ping anything on LAN

by bradq In reply to Can't ping anything on LA ...

The question was auto-closed by TechRepublic

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Can't ping anything on LAN

by mrjay67 In reply to Can't ping anything on LA ...

Might check XP firewall. If it is turned on then that could be an issue. Turn off XPs firewall as I have seen odd behavior with it on. Its possible that the LAN is blocking echo requests as one of the others mentioned. I would try a tracert passthe gateway to see if it actually is using the one you listed. If the gateway is not available then it shouldnt be able to get out to internet(as you seem to know). im curious about the gateway as most gateway addresses Ive seen are x.x.x.1 not 254. If its setup right though it shouldnt matter.

I would also check the driver. I have seen integrated NICs be stuck on a wrong driver and not work with LAN/intranet but would work on internet. We had to either replace system or add a new card. This was fairly rare though.

The speed option could be an issue as well.

I would certainly check any firewall apps though.

Just my thoughts, hope they help(perhaps spark an idea).

Jason

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Can't ping anything on LAN

by bradq In reply to Can't ping anything on LA ...

The question was auto-closed by TechRepublic

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