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WLAN w/in a LAN

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by lheisey

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What is the best way to create a WLAN within my LAN infrastructure? I want people to come into certain locations and get on the WLAN to get to the internet. Currently my users all have static IP addresses. They open a browswer and have to authenticate to a Web Security Server which then goes upstream to an ISA and then out the door. What might I have to have in place for a person to log onto the LAN and get on the internet by bypassing my internal LAN all together?

7 replies

by lmon

You get an access point or router that has wireless capabilities and hardwire to the router. You will probably need to configure the it to obtain ip automatically. You will have to turn off dhcp on the router. you will also have to give the router the lan information.

by lheisey

obtain IP from where? From the internal DNS? I am not running DHCP. I have an AP now that assigns misc IP numbers that are not a part of my scheme. Therefore, the user still can't get on the internet.

by cg it

Lemme restate this. Your looking for a way to trunk you WAN link 2 ways. one way is through ISA server out for your LAN users [seperating your LAN] and the other way is for "walk ins" which plug into something like a "patch panel" or docking port which gives em direct internet access. [sorta like a cyber cafe except its BYOC]

How much Mula $$ you got to spend on this project if any???

by cg it

your best bet would be to pull in 2 Internet lines. Saves a lot of hassles and network congestion. But! if that's not an option, you could opt for sticking a "router" between ISA and you ISP. That router acts as the access point both for your LAN out through ISA and walk ins who plug into a big switch [depends upon how many are gonna plug in] with the switch uplink to the router. That effectively seperates the 2 and simplifies IP routing. The router before the internet would have to have DHCP service on it. your router would be set for obtain its WAN IP and DNS automatically from your ISP[unless you've got a static IP address from your ISP, then provide LAN clients and IP and be their gateway. You just run to LANs off that router just like you would if you hooked up 4 computers to a consumer level router to share internet access.

by cg it

boy I type bad. Anyways hope you get my idea. I run something like it here where all non executive personal have to log on to the domain and only get Internet access if the big cheese suit says so however the big cheese suit has his own Link seperate from the Domain in which to plug in his laptop to and have internet access without logging into the domain.

I just used a female ethernet wall socket, ran some CAT 5 from his office over into the server room and plugged it in to one of the routers LAN ports. Volia! Big cheese suit has what he wants and hes not on the domain network.

by lheisey

You completely lost me. I want clients to only get on the internet via wireless.
"sticking a "router" between ISA and you ISP. That router acts as the access point both for your LAN out through ISA and walk ins who plug into a big switch . What do we mean by all of this. How do I get a wireless router between ISA, the router and the ISP? Also what do we mean walk ins plug into a big switch. Sorry I am just a bit confused. Can you restate this all just a little more clearly for me please?

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