Computers not seeing each other / not ping on LAN w DLink 614 + [dlink 614] [server settings]

Q: I have two computers with my 614 + router.
Both set can access the internet and everything works fine . except that they do not see each other and I can not share files between them.
I can not even ping them.
One of them is connected to the wireless router and an IP assigned by his cable.
Both and by all means it should work. . nothing.
Do but I have no firewall or Virtual chnage?


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Re:Originally posted by: guy
<FONT face=Verdana size=1>guy</FONT>, if you have a broadband router, you most CERTAINLY don't want ICS enabled! That will totally confuse the network, small wonder you can't get connected!

Gunrunner,

It turns out it wasn't ICS. I couldn't find the setting because XP automatically disabled it. However, your other tip, enabling NETBIOS, did the trick. Many thanks!


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Re:Originally posted by: guy
192.168.0.100 and 192.168.0.103
(router is 192.168.0.1)

I can ping the router but not the comps.

D-Link support is extremely stupid.
Here is their reply (after explaining in 20 emails what the problem is):


This is not possible. The router is not the cause of the problem. I have consulted with other techs and we've come to the conclusion that there may be a problem with the arp table on one/both of the computers.

The router does not have route tables that could be causing this.

Well, if it is not possible, WHY is it happening?????

Looks like your static IP's may be out of range of the current Router setting.

Try setting your IP's to 192.168.0.2 and 192.168.3

I use D-link products exclusively and never have problems.


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Re:<FONT face=Verdana size=1>guy</FONT>, if you have a broadband router, you most CERTAINLY don't want ICS enabled! That will totally confuse the network, small wonder you can't get connected!

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Re:Originally posted by: guy
You're using a broadband router, your IP addresses are private. They start with 192.x.x.x, correct?

You're correct. The addresses start with 192, and I am using a broadband router. Guess that's not the problem. I suspect that my problem is that ICF is turned on, but damned if the XP Help Procedure for even finding the option to turn it off is any help at all. It's as if it is referring to a different operating system.


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Re:The ARP enteries have a TTL (Time To Live), so they should be self-correcting, but you never know…

You know, you never did post the output of an IPCONFIG /ALL from a command prompt for the two machines in question. I'd be curious to see that.


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Re:Thanks guy.
I will try that.

Great job dlink tech support. Telling me that you think this might be the problem but not telling me how to fix it.


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Re:Have you tried clearing the ARP cache?

ARP -d *


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Re:192.168.0.100 and 192.168.0.103
(router is 192.168.0.1)

I can ping the router but not the comps.

D-Link support is extremely stupid.
Here is their reply (after explaining in 20 emails what the problem is):


This is not possible. The router is not the cause of the problem. I have consulted with other techs and we've come to the conclusion that there may be a problem with the arp table on one/both of the computers.

The router does not have route tables that could be causing this.

Well, if it is not possible, WHY is it happening?????


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Re:You're using a broadband router, your IP addresses are private. They start with 192.x.x.x, correct?

Re:Originally posted by: guy
Are both your IPs public or private? Did you check the Windows XP built in firewall? I've seen this problem when both of the IPs were public. Makes it much more difficult to make any kind of "private" LAN.

I'm afraid you're already over my head. How can I tell whether the IPs are public or private?


Re:Are both your IPs public or private? Did you check the Windows XP built in firewall?

I've seen this problem when both of the IPs were public. Makes it much more difficult to make any kind of "private" LAN.


Re:Thanks for your reply both here and in my other thread, Gunrunner. I'll do some checking tonight after my kids get to sleep (which will be awhile since they'll be hopped up on Halloween sugar!) ;)

Re:The only possibities for either of you appear to be either the switch in the router is not configured correctly and is blocking the ping requests, or some firewall is blocking the ping requests. There really isn't anything else in the mix that I can see.

Re:I'm having the exact same problem as you. The only difference is that I'm pretty sure I don't have defective hardware, because up until reinstalling the OS on both computers a few days ago, file sharing worked fine. Did you ever figure out your problem?

Re:Both machines can connect through the broadband router to the Internet. YES

Neither machine can ping the other, either by use of name or IP address. YES

The machines are on the same subnet. YES

The subnet mask is correctly specified. YES

The default gateway and DNS address point to the router YES

WinXP firewall turned off. YES

Router firewall only configured for outside? I THINK SO.

Switch broken? HOW DO I CHECK?

And both have no problem accessing the internet at the same time (traffic comes and goes to/from both computers).


Re:Let's see if I understand.

Both machines can connect through the broadband router to the Internet.

Neither machine can ping the other, either by use of name or IP address.

The machines are on the same subnet.

The subnet mask is correctly specified.

The default gateway and DNS address point to the router.

I'd say you have firewall's configured blocking the pings, or your router's switch is broken.


Re:it's possible it's a problem within your switch. have you tried installing netbuei on both machines and see if they can connect that way?

Re:No!!!! That is what I have been saying.
And both machines have fixed IPs!!!!
This isn't about wrong configurations and protocols.
I can't even PING!!!!!

Re:No!!!! That is what I have been saying.
And both machines have fixed IPs!!!!
This isn't about wrong configurations and protocols.
I can't even PING!!!!!

Re:Can you ping the other machine by IP address? If not, you have some sort of firewall stopping the traffic, since you are connecting to the Internet properly.

Re:I did all that and even if I did not … I should be able to get a ping.
But I don't.

Re:I didn't read the guide that someone posted earlier, so perhaps the suggestions I'm about to make were previously mentioned, my bad if they were…
-Make sure both computers are in the same workgroup
-Turn off firewalls if there are any (specifically on either comp on your network, not the dlink)
-Make sure you are typing in the full correct name…ie \\computername\sharedfoldername
-make sure when you define what folder(s) you are sharing out that you also set permissions to "everyone" ie mid page on this link (http://www.wown.info/j_helmig/w2kshare.htm)
…also, as that link says when you specify "everyone" to have access to the share in the shared folder settings, that means everyone on that PC….this means that you should have the same users set up on both PC's (prob a good idea to have the same pw's as well)

Let me know how it goes buddy – cheers.


Re:Did you turn off any software firewalls?

Re:Everything is set up correct and the two computers even have static IPs.
At least they should be able to pring each other.
And they can both go online fine …
Just each other they can't see.

This is sooooooo frustrating


Re:Log to this page it has a lot of links to instructions in Network Setting and Sharing.

Link: General Networking (http://www.ezlan.net/basic.html)


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