Wi-Fi How To

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(Two wireless networks on one router: add content)
(Two wireless networks on one router: edit)
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:''Based on [http://www.wi-fiplanet.com/tutorials/article.php/10724_3714521_1 Implementing Inexpensive Multiple SSID Networks]<br>[Wi-Fi Planet.com Tutorial by Eric Geier, December, 2007]''
:''Based on [http://www.wi-fiplanet.com/tutorials/article.php/10724_3714521_1 Implementing Inexpensive Multiple SSID Networks]<br>[Wi-Fi Planet.com Tutorial by Eric Geier, December, 2007]''
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Two wireless networks are a good way to separate private and public (guest) clients, where:
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Two separate wireless networks are a good way to isolate private and public (guest) network clients, where:
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* ''Private'' clients have access not only to the Internet, but also to each other (file and/or printer sharing), wired and wireless
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* ''Private'' network clients have access not only to the Internet, but also to each other (file and/or printer sharing), wired and wireless
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* ''Public'' (guest) clients have access ''only'' to the Internet, ''not'' to each other (see [[Wi-Fi#Wireless Isolation|Wireless Isolation]]), and ''not'' to the private clients
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* ''Public'' (guest) network clients have access ''only'' to the Internet, ''not'' to each other (see [[Wi-Fi#Wireless Isolation|Wireless Isolation]]), and ''not'' to the private clients
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While some wireless routers have this capability built-in (see [[Wi-Fi#Guest Account|Guest Account]]), it can also be done with [wikipedia:3rd party firmware], which can also provide additional functionality. The following procedure is for two wireless using [http://www.dd-wrt.com DD-WRT] (on [http://www.dd-wrt.com/dd-wrtv3/dd-wrt/hardware.html supported devices]) (as of v24 preSP2 Beta build 12533). For more than two wireless networks, consult the reference above.
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While some wireless routers have this capability built-in (see [[Wi-Fi#Guest Account|Guest Account]]), it can also be done with [[wikipedia:Linksys WRT54G series#Third-party firmware projects|third party firmware]], which can provide additional functionality as well.  
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The following procedure is for ''two separate wireless networks'' using [http://www.dd-wrt.com DD-WRT] (on [http://www.dd-wrt.com/dd-wrtv3/dd-wrt/hardware.html supported devices]) web interface (as of v24 preSP2 Beta build 12533).
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For ''more than two'' separate wireless networks, consult the reference above.
# '''''Wireless &rarr; Basic Settings'''''
# '''''Wireless &rarr; Basic Settings'''''
#*  ''Wireless Physical Interface '''wl0'''''
#*  ''Wireless Physical Interface '''wl0'''''
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#** ''Note'': This will be the ''private'' wireless network
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#** This will be the ''private'' wireless network
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#** ''Recommendation'': Click ''Disable'' for ''Wireless Network Name (SSID)'' to avoid conflict with the visible public (guest) wireless network
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#** ''Recommendation'': Click ''Disable'' for ''Wireless Network Name (SSID)'' to avoid conflict with the visible public (guest) wireless network [see ''Overcoming Multiple SSID (Not BSSID) Connectivity Issues'' in the reference above]
#*  ''Virtual Interfaces''
#*  ''Virtual Interfaces''
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#** Click ''Add'' to create the ''public'' (guest) wireless network<br>which will be ''Virtual Interfaces '''wl0.1'''''
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#** Click ''Add'' to create the ''public'' (guest) wireless network, which will be<br>''Virtual Interfaces '''wl0.1'''''
#** Enter a '''unique''' ''Wireless Network Name (SSID)'' (e.g., ''John's Guest Wireless'')
#** Enter a '''unique''' ''Wireless Network Name (SSID)'' (e.g., ''John's Guest Wireless'')
#** Click ''Enable'' for ''AP Isolation''
#** Click ''Enable'' for ''AP Isolation''
#** Click ''Unbridged'' for ''Network Configuration''
#** Click ''Unbridged'' for ''Network Configuration''
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#** For ''IP Address'', enter a '''different [[wikipedia:Subnetwork|subnet]]''' from the private network; e.g.<br>'''192.168.''2''.1'''
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#** For ''IP Address'', enter a '''different [[wikipedia:Subnetwork|subnet]]''' from the private network (which is 192.168.<u>1</u>.1 by default); e.g.<br>192.168.<u>2</u>.1
#** For ''Subnet Mask'', enter:<br>'''255.255.255.0'''
#** For ''Subnet Mask'', enter:<br>'''255.255.255.0'''
#* Click ''Save'' (and do '''not''' click ''Apply Settings'')
#* Click ''Save'' (and do '''not''' click ''Apply Settings'')

Revision as of 22:17, 16 September 2009

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