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Allow network guest access with single band routers

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#1 stevesretired?


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Posted 21 November 2013 - 02:32 PM

I want to provide GUEST access to the internet on my existing DSL wired/wireless network that has this configuration:

    DSL line comes into an Actiontec M1000 wired router (configured as my DHCP server). 

    Cable goes to a hub 2 floors above and in another room. 

    A LINKSYS WRT54GL configured as a WAP is cabled into the hub and provides wireless service at one end of building as well as cable  connections to a couple of computers and a network printer.

Another hub cable goes to a WRT54GS at the other end of the building also configured as a WAP providing wireless at the other end of the building.  Both WAP's have the same SSID.



1).    Should I just add another LINKSYS WRT54GS with a different SSID at one end of the building and a LINKSYS WRT160N at the other end giving them the same SSID (but different from my original SSID?


2).   Would it make more sense to load "other" firmware on the modems I already have and configure dual SSID's on the same modems?


3).  Does using separate SSID's totally isolate anyone on SSID-2 from my secured SSID-1 network?


4).  Should I assign wpa and a generic pwd for the "guest' network?

All routers have been donated so no cost is involved.

I'm an old mainframe/mid-tier/pc programmer an am volunteering to do this support to keep learning.             Thanks for any info


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#2 jayges7


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Posted 22 November 2013 - 04:18 PM

Hello there, analyzing your configuration I think that the better option is to install other firmware (like DD-WRT for example) on your routers. This give you the advantage of setting up guest access without having to install extra routers. It does it by creating a virtual wireless interface that allows you to have two wireless LANs.

-This firmware lets you configure multiple WLANs in each router.

-You can setup one WLAN as your main wireless access and another WLAN for "guest access".  

-You can also setup the WLAN for "guest access" in a different VLAN isolating the traffic from your other devices on the building. (Giving a different SSID name to the WLANs does not isolate them by default, you need to set one of them in a different LAN using the VLAN tagging that the firmware provides.)

-You can assign any type of encryption (wireless security: WEP, WAP, etc) you want to the "guest access" wifi or even leave it open if you want any visitor to have access to wifi without having to ask for a password.




SSID: mynetwork

Security: WAP2 Personal



WLAN 2: 

SSID: guest

Security: WAP2 Personal

network: (VLAN tagging lets you setup the WLAN2 in a different network than the WLAN1)


Here is a guide on how to perform this setup on DD-WRT firmware. 


Hope this can help you.

Edited by jayges7, 22 November 2013 - 04:19 PM.

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