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In my previous post, I asked how to change the static IP address of the DNS-323. After connecting my new box directly to my laptop, I managed to change the IP to 192.168.2.32, connect to the box directly and format disks. Afrer that I rebooted the box, but now it cannot be connected at all! If I connect it directly to my laptop, the search utility won't find it at all. If I connect it to my router, the search utility shows it on the UI, but when I click Configuration- button, I just get the error message "Device is no longer available". Any ideas what's wrong now??
I also wonder that the UI shows that address 192.168.2.32 just fine, but if I ping that address from my laptop, there is no answer at all??
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Now I managed to get the connection working when DNS is connected directly to the laptop. But I noticed quite strange behaviour: when connected directly, ping replies and web UI works just fine, but the search utility still shows nothing. When I connect the box to my WLAN router, ping & web UI won't work at all anymore, but now the search utility finds the box! Still, when I click the Configuration- button, I just get the error message "Device is no longer available"??
So basically DNS seems to bw working, but there might be some configuration problems with my network. Any good ideas..?
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What ip address is your laptop at - it sounds very much like your laptop and the DNS323 do not have ip addresses in the same subnet.
Edit...
I read your other thread, you're using a 192.168.2.x subnet, with a 255.255.255.0 mask so that's not your problem, might be an ip address conflict, why not reset the DNS-323 to DHCP and let it get an address from your router?
Last edited by fordem (2007-07-13 01:01:49)
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My laptop's IP is 192.168.2.100, my router (gateway) is 192.168.2.1, and my DNS-323 is now 192.168.2.32.
I really wouldn't like to use DHCP because all my computers are currently using static IP, and I also have a few servers in my network. Shouldn't this box also work with static IP's??
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It should and mine does, although after initially running it with a static ip - I like my servers to have static ips - I found myself moving the DNS-323 backward & forward between two different networks, and ended up using DHCP reservations to give it a "pseudo static" ip address.
I see nothing wrong with the ip addresses themselves, but since you're using static ips, it might be necessary to enable NetBIOS over tcp/ip.
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fordem wrote:
I see nothing wrong with the ip addresses themselves, but since you're using static ips, it might be necessary to enable NetBIOS over tcp/ip.
I did not find that kind of setting from the DNS's web UI? Where should I enable that "NetBIOS over tcp/ip" from??
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Allium,
The netbios setting over TCP/IP is on you network connection of your computer. In Mine I select the properties of the connection. Highlight and access Internet properties (TCP/IP ), access advanced settings under general tab, open WINS tab....select Netbios over TCP/IP
HTH
Last edited by Tack (2007-07-13 15:43:52)
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Ok, little bit progress with this issue:
I connected my laptop to my router with the cable, and after that; voilá, everything works! So for some reason, if I use WLAN from my laptop to my router, DNS-323 won't be found, but with cable connection everything seems to work. Any ideas what might cause this??
Here's what I have tried now, without any help:
- enabled that "Netbios over TCP/IP" setting for the WLAN connection.
- turned the router's firewall off. And I'm not using any software firewalls.
- updated my router's bios & drivers to the newest version
- called to D-Link's customer support but they didn't know what to do.
Last edited by AlliumPorrum (2007-07-13 16:07:09)
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You should disable the cable connection of your laptop, or give it an address in another subnet mask, and try again through the WLAN.
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dkl wrote:
You should disable the cable connection of your laptop, or give it an address in another subnet mask, and try again through the WLAN.
I changed the address of cable connection to 192.168.0.100, and disabled it; did not help.
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What sort of wireless setup do you have - a wireless router or a separate wireless access point? I've heard of problems like this with some brands of wireless router, almost as if there was a firewall separating the wired from the wireless.
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1) let's guess whether the problem comes from the laptop or not: can you print the result of "ipconfig /all" first when it works (through the cable) and when it doesn't (through the Wlan).
2) if the problem is not on the laptop, the router is the problem. Do you have any other device on this router? What do you see *exactly* from the router (ping the dns323? attached devices? manual route tables? etc...).
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fordem wrote:
What sort of wireless setup do you have - a wireless router or a separate wireless access point? I've heard of problems like this with some brands of wireless router, almost as if there was a firewall separating the wired from the wireless.
I have SMC's wireless router with NAT and firewall. I also think that the probelm must be in this router, so I think that next I should contact SMC's helpdesk.
dkl wrote:
1) let's guess whether the problem comes from the laptop or not: can you print the result of "ipconfig /all" first when it works (through the cable) and when it doesn't (through the Wlan).
2) if the problem is not on the laptop, the router is the problem. Do you have any other device on this router? What do you see *exactly* from the router (ping the dns323? attached devices? manual route tables? etc...).
1) Ok, first here's WLAN's ipconfig (unfortunately they are in finnish, but I think that you will get the point...):
C:\>ipconfig -all
***************************************************************
Windows IP-määritykset
Isäntänimi . . . . . . . . . . . : COMPAQ
Ensisijainen DNS-liite . . . . . :
Solmutyyppi . . . . . . . . . . . : Hybridi
IP-reititys käytössä . . . . . . : Ei
WINS-välityspalvelin käytössä . . : Ei
Ethernet-sovitin Langaton verkkoyhteys 3:
Yhteyskohtainen DNS-liite . . . . :
Kuvaus . . . . . . . . . . . . . : BUFFALO WLI-CB-G54S Wireless LAN Adapter
Fyysinen osoite . . . . . . . . . : 00-0D-0B-5C-CF-07
DHCP käytössä . . . . . . . . . . : Ei
IP-osoite . . . . . . . . . . . . : 192.168.2.100
Aliverkon peite . . . . . . . . . : 255.255.255.0
Oletusyhdyskäytävä. . . . . . . . : 192.168.2.1
DNS-palvelimet . . . . . . . . . : 192.168.2.1
***************************************************************
And here's for the cable connection:
***************************************************************
C:\Documents and Settings\Jari>ipconfig -all
Windows IP-määritykset
Isäntänimi . . . . . . . . . . . : COMPAQ
Ensisijainen DNS-liite . . . . . :
Solmutyyppi . . . . . . . . . . . : Hybridi
IP-reititys käytössä . . . . . . : Ei
WINS-välityspalvelin käytössä . . : Ei
Ethernet-sovitin Lähiverkkoyhteys:
Yhteyskohtainen DNS-liite . . . . :
Kuvaus . . . . . . . . . . . . . : National Semiconductor Corp. DP83815/816 10/100 MacPhyter PCI Adapter
Fyysinen osoite . . . . . . . . . : 00-0D-9D-87-AD-C3
DHCP käytössä . . . . . . . . . . : Ei
IP-osoite . . . . . . . . . . . . : 192.168.2.110
Aliverkon peite . . . . . . . . . : 255.255.255.0
Oletusyhdyskäytävä. . . . . . . . : 192.168.2.1
DNS-palvelimet . . . . . . . . . : 192.168.2.1
***************************************************************
2) Currently I have 3 computers that are all connected to router with WLAN. So I don't have any cable connected devices in my network. When I ping the dns, i get following:
***************************************************************
C:\Documents and Settings\Jari>ping 192.168.2.111
Ping-isäntä 192.168.2.111, 32 tavun paketti:
Pyyntö aikakatkaistiin.
Pyyntö aikakatkaistiin.
Pyyntö aikakatkaistiin.
Pyyntö aikakatkaistiin.
Ping-tilastot 192.168.2.111:
Paketit: Lähetetty = 4, Vastaanotettu = 0, Kadonnut = 4 (100% hävikki),
***************************************************************
That "Pyyntö aikakatkaistiin" means something like "connection timed out". When I ping any other PC that is connected with WLAN, I get a valid response.
But, next let's see what I get from SMC.
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To be honest, I must admit I don't see anything wrong in your IP configurations... How can the pb come from the router?
What you can do, if you have a hub (NOT a switch), is:
- install ethereal on one of your PC (if not already done)
- connect this PC as a spy between the router and the DNS323 (i.e through the hub).
Then you will be able to see if the ping "packets" are at least sent by the router to the DNS323.
It will be interesting to know what SMC will tell you.
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The answer to your question is in my previous post - some wireless routers appear to separate the wired from the wireless - this may be a protective measure, since it would prevent someone hacking your wireless from gaining general network access - or it may be an unintentional bug.
I've heard several anecdotal incidents that point to this, but not seen it personally.
On my network I don't have this problem, but I am not using a wireless router, I have a separate router and access point.
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dkl wrote:
What you can do, if you have a hub (NOT a switch), is:
- install ethereal on one of your PC (if not already done)
- connect this PC as a spy between the router and the DNS323 (i.e through the hub).
Then you will be able to see if the ping "packets" are at least sent by the router to the DNS323.
Hey, that's a good idea! I'm now on the road, so I'll check this later next week. Thanks for the tip!
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If fordem is right, you can easily check this: connect one of your laptop to the routeur through the cable! In that case, this laptop should see only the DNS323, and NOT the other laptops. While the 2 "Wlan" laptop should not see this one...
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Now I got first answer from the SMC; they asked to try to disable security (WEP/WPA) & wirewall from the router. Well I already knew that it did not help...
I also installed the ethereal and tried to "spy" the connection between the router and the DNS323, but I couldn't find out how to do it?? I managed see the data between my laptop (where ethereal is) and router, but could some one give a hint how to spy a connection between router and DNS?
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You must have your spy (laptop with ethereal), the DNS323 and the router on the *same* hardware link, using a hub (NOT a switch) to connect all these three components together (they all connect to the Hub). The HUB allows all IP packets to be sent to ALL connected components (while a switch does not). So, if packet are sent by the router to the DNS, the HUB will also send them to the spy.
Router---------------HUB---------------DNS323
|
|
spy (ethereal/laptop)
Did you make the other test: does your "cable" connected PC communicate with the "Wlan" ones (without even speaking about the DNS323)?
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dkl wrote:
You must have your spy (laptop with ethereal), the DNS323 and the router on the *same* hardware link, using a hub (NOT a switch) to connect all these three components together (they all connect to the Hub). The HUB allows all IP packets to be sent to ALL connected components (while a switch does not). So, if packet are sent by the router to the DNS, the HUB will also send them to the spy.
Router---------------HUB---------------DNS323
|
|
spy (ethereal/laptop)
But I don't have a separate router and hub, I have just one WLAN router where I connect my DNS. So is it not possible to spy the connection with this kind of hardware setting?
dkl wrote:
Did you make the other test: does your "cable" connected PC communicate with the "Wlan" ones (without even speaking about the DNS323)?
I tried this and the connection works just fine, so the problem cannot be on a separate WLAN and cable networks inside the router. Darn, this is starting be quite frustrating problem...
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If you don't have any spare HUB, you cannot spy the connection. Forget it.
Let's try to summarize:
Your DNS is at address "IP1" (static IP), connected to the router through a cable
One laptop is at address "IP2" (static IP), connected to the router through a cable. Wlan is disabled on this laptop
Two other laptop are connected to the router through the WLAN (i.e Wireless)
All these addresses are in 192.168.2.x, subnet mask is 255.255.255.0 everywhere.
between IP1 and IP2, no problem
between WLAN and IP2, no problem
you have a problem ONLY between IP1 and WLAN.
Am I correct? This looks VERY strange.
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dkl wrote:
If you don't have any spare HUB, you cannot spy the connection. Forget it.
Let's try to summarize:
Your DNS is at address "IP1" (static IP), connected to the router through a cable
One laptop is at address "IP2" (static IP), connected to the router through a cable. Wlan is disabled on this laptop
Two other laptop are connected to the router through the WLAN (i.e Wireless)
All these addresses are in 192.168.2.x, subnet mask is 255.255.255.0 everywhere.
between IP1 and IP2, no problem
between WLAN and IP2, no problem
you have a problem ONLY between IP1 and WLAN.
Am I correct? This looks VERY strange.
You are quite correct. In fact normally all my laptops are using WLAN, but now I have just for testing connected it to the router with a cable. All these PC's are in 192.168.2.x, subnet mask is 255.255.255.0 everywhere, and all PC's are using static IP's.
BUT, now I just noticed that on my two old laptops that are running with Ubuntu Linux, I can get a connection to the DNS even with the WLAN!
So, to summarize:
My DNS is at address "IP1", connected to the router through a cable
One WIN XP laptop is at address "IP2A", connected to the router through a WLAN, and cable connection is disabled. I also have tried to connect this to the router with cable ("IP2B") and disable WLAN.
Two other Linux laptops (IP3 & IP4) are connected to the router through the WLAN (i.e Wireless)
All other connections are working just fine, but when WIN XP laptop is using WLAN, ping between IP2A and IP won't reply. Ping between IP2B,IP3,IP4 and IP1 works always.
So, there is something mysterious with my WIN XP laptops WLAN connection. How can this be possible??
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Hum... Firewall, or something? Windows problem anyway... I'm afraid you'll have to find somebody else to help you in this case, I'm not so confident with Windows.... Sorry!
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I don't have any software firewalls on any PC, so that's not it.
Next I have to get some other Win XP PC with a WLAN to see if this problem is just in my laptop, or others with similar configuration also.
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I will be out for a while from now, and won't be able to help you. I hope you can solve your problem soon.
Cheers
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