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391 posts

Ultimate Geek


# 32869 25-Apr-2009 18:48
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Hi!

The frustration reached unimaginable levels... as I do not know where to look anymore...

I have the following setup:
- internet into a modem / 4x router
- from router to one desktop (wired) and router / AP (wired)
- the AP enables a wireless network for one laptop.

Modem = 192.168.1.1 (default gateway as well, DNS servers correctly declared)
AP        = 192.168.1.254
desktop = 192.168.1.2
laptop   = 192.168.1.3

The IPs are set based on the MAC addresses (I need to do this to forward ports, I cannot leave them to get any IP).

From Laptop I can ping all the other three.
From desktop I can ping the modem / router and the AP, but NOT the laptop!!
I can access Internet OK from any of the computers.
I want to be able to transfer files from one to the other. I got it working at a point but I moved house after that and when I re-installed all the components, it does not work properly anymore...

DHCP server enabled on the modem / router and turned off on the wireless AP.

Any ideas wher should I be looking to?
Thank you.




mobo Intel DH55PJ, RAM: 4GB RAM, Nova-T 500 HD + Avermedia Trinity tuner card, Geforce 520 video, 120GB SSD Sandisk + 640 WD + 1000SG, Win7 Home Prem 64-bit, Media Portal 1.15.0; BTC 9019URF Cordless Keyboard, Panasonic 55" (HDMI cable), HTPC Case Silverstone Grandia GD05B.


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3167 posts

Uber Geek

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  # 209303 25-Apr-2009 19:25
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It sounds like you have a firewall enabled on the laptop.
What O/S are you running on each?

28260 posts

Uber Geek

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Biddle Corp
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  # 209305 25-Apr-2009 19:31
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Do you have the AP in bridge mode? Sounds like you've potentially got some NAT issues.

 
 
 
 




391 posts

Ultimate Geek


  # 209311 25-Apr-2009 20:24
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Thak you for the quick replies!

Both computers run XP Pro.
Both have Firewall enabled but it made no difference when I disable it.
I tried with the AP in Bridge mode and without it, no change in behaviour.

I created a home network on both, same workgroup, but when I want to add new places, I cannot see the other computer (I believe it will not work until the ping issue is resolved)

NAT is set on "SUA only", it was always on this setting, I really do not know what the others do. Then click on "edit details" and is the screen where I forward ports. I selected "None" on the NAT page, still no improvement. I also deleted all the entries in the SUA page and re-enabled it, and is still the same, can ping from laptop but not from desktop.

It looks like I am back to transferring 1.5Gb files with the USB stick...






mobo Intel DH55PJ, RAM: 4GB RAM, Nova-T 500 HD + Avermedia Trinity tuner card, Geforce 520 video, 120GB SSD Sandisk + 640 WD + 1000SG, Win7 Home Prem 64-bit, Media Portal 1.15.0; BTC 9019URF Cordless Keyboard, Panasonic 55" (HDMI cable), HTPC Case Silverstone Grandia GD05B.


600 posts

Ultimate Geek

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  # 209316 25-Apr-2009 20:51
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The other thing that could be going on is that the wired network is setup as a "DMZ", that would prevent it from gaining access to the wireless, "internal" network.




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