Question about 3Com SuperStack II NETBuilder 201 Router (3C8201C)

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Bought a replacement for a failed unit. Don't know how to enter the IP and other info to get the unit started. (3com 3c8201c)

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If you donot have the default IP of the router, try setting an IP as 192.168.1.2 on your machine & access 192.168.1.1 (which is supposed to be the default IP of the router)

Posted on Aug 04, 2009

  •  Sudarsan Parthasarathy

    If you donot have the default IP of the router, try setting an IP as 192.168.1.2 on your machine & access 192.168.1.1 (which is supposed to be the default IP of the router)

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I forgot ip address and password and want to factory reset


Connect the console cable, open a connection to the serial port via a utility such as PuTTY, and do the following:
1) Enter the user name "recover" and password "recover" to place your unit in password recovery mode. The unit will remain in password recovery mode for 30 seconds max.
2) Perform a hard reset by removing power, waiting 10 seconds, and then re-applying power.
3) Once the switch has rebooted, enter a new password for the "admin" user account.
4) Enter enable to leave password recovery enabled, or enter disable to turn it off. You are now logged in as the default "admin" user.
Note: If password recovery has been disabled, the only way to recover access is to return the switch to 3com.

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Check you firewalls. Sometimes you will have to allow certain mac addresses or certain ip addresses (may be less secure than the mac address), then change sharing level to full, before things begin to work.

Please post back and let me know if this helps!

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1 Answer

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Ist, is a new out of the box router? Next, if so are you trying to connect wireless or through Ethernet? If new, connect with the Ethernet cable and open command prompt. (Start/programs/accessories/commandprompt) When page opens(will be black screen), just start typing, no spaces, ipconfig and hit enter. This will give you your default gateway and your IP Address. Write Default gateway down,Ie, 10.0.0.1, type exit into command prompt and press inter. Page will close. Next open your browser and type in the ip address to see if you can hit the router and access it. Hope this gets you what you needed.

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1 Answer

Enter the switch configuration


page 22 of the 3com user guide for your switch talks about how to use the console cable and how to connect to your pc, I included the link below for your manual, if you don't have it:

http://support.3com.com/infodeli/tools/switches/baseline/3Com_Baseline-Switch-2916-2924_User-Guide.pdf

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I had the same problem since a bought it last week and I was going crazy. Install this firmware and everything will work fine:
http://booobi.googlepages.com/uperJerry_V2.8b4_Worldwide_A.rar

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If not done allready, setup the lan IP address and default gateway in win98 Click MyComputer-ControlPanel-Network-Double Click TCP/IP Adapter for your 3com device-insert LAN info for IP Adress-subnet mask, Gateway and your Internet service providors DNS Addresses info Tab's (3x different Tabs "IP Adress" "Gateway" "DNS Configuration") IP Adress will be at least one number higher than your gateway address and not allready being used by other PC's on your network and gateway address will same as your router interface address subnet mask will be the same for all PC's on your network. For 3com and Netgear routers LAN setup is usually Gateway = 192.168.1.1 Subnet Mask = 255.255.255.0 IP Adress = 192.168.1.10(choose alternate number than 10 if allready used by another PC on your network, try to use round numbers, must be a number higher than 1) Once all info is entered click OK (this may trigger a database info update message and task)now your LAN is setup and ready to talk to your network Restart PC and try browsing again. May possibly require reinstallation of the TCP/IP client (you double clicked this to setup your LAN in Win98) or reinstallation of the IIS(Internet Information Services)component found in, Add/Remove Programs-Add/Remove windows components and then try LAN setup again if this does not work first time round

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1 Answer

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try using predefined IP addresses. Let each pc make it's own IP address and see if the conflicts continue, if they do, post again. :)

Jan 25, 2007 | 3Com Wireless LAN Access Point 7250...

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