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Unable to remotely connect (RDP, VNC, Netmeeting) to laptop over WIFI

Posted on 2009-05-02
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Last Modified: 2013-11-12
Guys,
I am unable to remotely connect to a laptop which is connected to our network via WIFI 802.11b/g (Cisco Aironet 1200). I am however able to connect to it when the laptop is hooked up via cable on the lan so its definitely not any windows firewall or antivirus issue.
Is there any setting in the access point configuration or do i need to enable something in the wireless card properties. If anyone has exp this before or aware of any such settings please do let me know. I can ping to the laptop without any issue.
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Question by:KASPBoodai
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by:karstieman
karstieman earned 250 total points
ID: 24289001
it really looks like a firewall issue !
Remember your Wireless travels through your wireless Network card and your LAN through its own Network card.
Check the Windows Firewall settings on the Wireless Network Card by going to configuration panel --> network --> select your wireless connection --> properties and review your firewall settings.
You can easilly compare them with the settings of your 'wired' NIC.
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by:munkimann123
munkimann123 earned 250 total points
ID: 24293741
You probably just need to set up "inter v-lan routing"  
Here's a little help:
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a0080665ceb.shtml#ISR

I'm sure that the WLAN and the LAN are on different subnets, so you will have to configure routing between those.
Just for good measure though, make sure that any firewall software on either machine is configured properly. If you are using RDP, the default port is 3389, although you can change that of course through the registry.
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by:KASPBoodai
ID: 24302954
Inter vlan routing is in place for wireless and wired. I will check firewall settings for WIFI adapter. Thanks
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KASPBoodai earned 0 total points
ID: 24382124
Guys the issue was with our perimeter firewall. I misunderstood the issue. The client was trying to connect to his laptop in his office from his home pc via vpn and therefore ports for rdp were blocked. After opening ports the user is now able to connect. Thanks for the help.
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