I can neither map shared disks nor see other computers in my network neighborhood, although I can successfully ping them, what should I do?
Posted by Gabriel Yu on 14 March 2008 06:01 AM

First of all , please be sure to share a folder in the other PCs because some MS-Windows boxes cannot be seen in the network neighborhood unless their folders/printers are shared.

If your target PC is in the same LAN, i.e. they are connected to the LAN ports of the same Vigor Router.

1. Make sure that you have installed " Client for Microsoft Networks " and " File and Printer sharing for Microsoft Networks " on your all PCs.

2. Make sure that you have enabled "NetBIOS over TCP/UDP " on all PCs. This is the default on Windows XP, but will have to be set manually on Windows 95/98.

3. Make sure that you have turned off all other firewalls on all PCs.  When you have communication working you can turn the firewall back on, and if this was causing the problem change its configuration to NOT block packets from LAN addresses (192.168.1.*).

4. In the "Network Neighborhood, search another PC using its IP address instead of browsing for it in the network neighborhood.

5. Telnet into your router to see if there have a telnet command "mngt defenseworm on/off ". This function is used to defense network-attack and it blocks TCP 135,137,138,139,445 by default. Please use " mngt defenseworm off " to turn it off.

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