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Cant ping both ways

Posted on 2009-07-07
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Last Modified: 2012-05-07
I have a workgroup which has 4 pc s. PC1 can ping all the computers on the network but none of the computers can Ping PC1. The printer is connected to PC1, so all the other computers need access to PC1 to share the computer. There is no firewall and all the computers are in the same network.
What is blocking the PC1 to be accessed from other PC s?
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Question by:moeshakir
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Expert Comment

by:aamodt
ID: 24801120
Are you sure PC1 don't block ICMP reply ?  and you have like the 4 computers in a switch? not any routers/other network equipment in between..

You don't have to ping the PC1 to connect to it, just make sure NETbios is allowed trough the PC1 windows firewall (if you are using windows). it's the same for SMB in linux. for sharing printers between computers.

If you can ping from PC1 all the computers should be fine, it have to be a problem either that PC1 is stopping the others to come to it. Else there whould be a connectivity problems from the others PC's, but that should not be the case since PC1 can ping the other PC's.

It's abit hard to see what the problem is since all firewalls/services and connections are working correctly.

Regards Aamodt
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Expert Comment

by:ahmad2121
ID: 24801391
You must have windows firewall enabled...
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by:moeshakir
ID: 24801420
It's disabled
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Expert Comment

by:regnighc
ID: 24801812
Are you using static IP's? are they all pointing to the same gateway and dns?

First off if its Static can you try using dhcp and see if that resolves?
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Author Comment

by:moeshakir
ID: 24805461
Its DHCP
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Author Comment

by:moeshakir
ID: 24805471
ahmad2121, do I have to enable the windows firewall? is that what you mean?
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Expert Comment

by:regnighc
ID: 24805498
No that will cause more problems, can you open command prompt and run the following command on each pc

ipconfig /flushdns

then ipconfig /all

and see if they all have the same gateway address?
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Expert Comment

by:saul2paul
ID: 24805565
try
nbtstat -r
this will resolve and register your netbios name.
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by:ahmad2121
ID: 24805574
If you are on a domain, there are potentially 3 settings for a firewall on Vista/2008.

Domain
Public
Private

Completely shutdown the service. Even if you have to go to services.msc and stop it from there.

Is this Vista?
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Author Comment

by:moeshakir
ID: 24805595
Its a workgroup and no its not vista, Its XP Home edition.
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Expert Comment

by:saul2paul
ID: 24805597
check if PC1 has a secondry ip added to its network card
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by:moeshakir
ID: 24805612
How would I check?
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by:saul2paul
ID: 24805625
can u  see shared resources on PC1 from other computers?
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by:moeshakir
ID: 24805634
Yes I can
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by:moeshakir
ID: 24805649
saul2paul! do you have IM?
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by:saul2paul
ID: 24805661
right click ur lan connection | properties | TCP/IP | advanced tab..... there u can see if theres a secondry ip added to ur netcard
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by:saul2paul
ID: 24805675
u just need the other PC's to access PC1 for printer sharing right?
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Author Comment

by:moeshakir
ID: 24805690
I am not by the computer now, but i will check it soon. Yes I want to printer share it, thats the mail goal.
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Expert Comment

by:saul2paul
ID: 24805749
take any pc
go to RUN and type \\computername or ip address of PC1
u will be able to see the installed printer on PC1 u just need to double click the printers and confirm the adding process
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Author Comment

by:moeshakir
ID: 24805940
This will work even though I cant ping PC1?
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Expert Comment

by:saul2paul
ID: 24806032
if u can have access  to shared resources on PC1 than u can definitely connect the network printer
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by:moeshakir
ID: 24806116
Well, I am going to go follow the instructions you told me. Do you think this will work "go to RUN and type \\computername or ip address of PC1" even though I cant PING now?
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by:saul2paul
ID: 24806157
just give it a try cause u said u can access the shared resource of pc1 from other computers
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Author Comment

by:moeshakir
ID: 24806168
No I cant, sorry for the misunderstanding.
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by:saul2paul
ID: 24806241
saul2paul:
can u  see shared resources on PC1 from other computers?

moeshakir:
Yes I can
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Author Comment

by:moeshakir
ID: 24806271
I am really sorry for the misunderstanding. I thought the question was If i can see the shared resources of other computers from PC1
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by:saul2paul
ID: 24806348
did u try nbtstat -r
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by:saul2paul
ID: 24806406
Even I too have faced the same problem some times before.  Just you plugh off your Switch or Hub once and chek it out whether you will be able to ping or no? If yes then your problem is solved if not then Check the Netbios name of your computer which not pingng as you might have made some mistakes in giving the Netbios name of your system.
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Expert Comment

by:saul2paul
ID: 24806443
You cannot ping the PC1 by ip address or by system name? Tried doing an ipconfig /flushdns on your machine? Maybe dns is cached with an old address on the machine you are trying to connect with
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by:Wolfhere
ID: 24806984
Is PC1 on the same network? (ie. same ip range with same gateway and same subnet). You can try adding the ip's with computer name in the hosts file. XP Home has some sharing limitations. Is simple file sharing on? On Windows XP Home, simple file sharing is on...period. There is a workaround located here: http://www.wikihow.com/Disable-Simple-File-Sharing-in-Windows-XP-Home-Edition. Once the permissions are set, reboot to normal mode.
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Author Comment

by:moeshakir
ID: 24807772
I tried everything, nothing is happening. I still cant ping or share the PC1
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Expert Comment

by:aamodt
ID: 24807801
Have you tryed running:

netsh
firewall
show config

in CMD ?.. try that and see if something is blocked, I still think that whould be the case.. since you can access the other computers from PC1 but not the other side.

Regards Aamodt
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Expert Comment

by:aamodt
ID: 24807826
or maybe its that simple that no sharing is started on the PC1 computer..

or take a look on the services running to see if Netbios and such are running
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Expert Comment

by:ahmad2121
ID: 24807836
Its possible you have an IP conflict somewhere on your network. check the IPs of all the machines on your network.
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Author Comment

by:moeshakir
ID: 24807899
Under Network connections There were two connections one was LAN and the other was 1394 connections and i disabled the 1394 connection, but nothing happend
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Author Comment

by:moeshakir
ID: 24807905
I tried this and i dont see anything is blocked

netsh
firewall
show config
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Author Comment

by:moeshakir
ID: 24807914
I dont see a service named "Netbios" though ?
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Author Comment

by:moeshakir
ID: 24808469
Now I brought the PC and connected it to a different network on a different location. I can ping from PC1 to all the other computers but other computers cant ping this
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Expert Comment

by:aamodt
ID: 24808757
don't  exactually know what its called. just look in the description of the serivce. something about printer/folder sharing.

TCP/IP Netbios helper needs to be started. (on some computers that are failing on connectivity on shares)
workstation (i guess)

But this should be okey, since its default on.
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Author Comment

by:moeshakir
ID: 24808789
I checked, everything looks good. This is driving me crazy, should I replace the network card?
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Expert Comment

by:ahmad2121
ID: 24808801
is the network card nvidia?
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Author Comment

by:moeshakir
ID: 24809041
Nope, Dlink, its built in. I added a new network card and it gives me the same problem.
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Accepted Solution

by:
moeshakir earned 0 total points
ID: 24809613
Guys! FINALLY!!
Even though I disabled all the firewalls Norton internet security was blocking it. After I completely uninstalld Norton Internet Security I was able to PING from other computers.

Thanks alot for all your expert comments.
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Expert Comment

by:Wolfhere
ID: 24809788
What version of Norton Internet Security ?
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Author Comment

by:moeshakir
ID: 24810808
2005
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Expert Comment

by:Wolfhere
ID: 24814351
Yes, all the way through version 2008 I would periodically have the same problem. Version 2009 is a LOT better. Not as heavy on resources. And my shares are available consistently. I have Vista and WindowsXP home network. Sharing is just a little complicated, so having the correct firewall is important.
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Expert Comment

by:saul2paul
ID: 24815001
No need to uninstall norton AV just disable the Norton internet security....and u can enable your windows firewall to prevent security holes...

did u share ur printer on rest of the network?
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Author Comment

by:moeshakir
ID: 24815535
Yeah i have experienced issues with Norton 2008 as well.

I did disabled it before uninstall, and it didnt work. So, then only I uninstalled it.
Yeah! I did share the printer and now all the computers can print from that Printer
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Expert Comment

by:saul2paul
ID: 24822371
ok
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