Setting up a captive portal with Cisco 871 WiFi router

Unanswered Question
Apr 22nd, 2010

I'm trying to setup a captive portal using this guide by andybev.com. I would like for my router to forward www traffic to my captive portal server for authentication. I found this article on SSG TCP Redirect Access Control List, but from the looks of it my IOS doesn't support this feature. So I was wondering what would be the best way to forward that traffic to the captive portal? Below list the info on my router and the IOS

Cisco IOS Software, C870 Software (C870-ADVIPSERVICESK9-M), Version 12.4(24)T2, RELEASE SOFTWARE (fc2)

ROM: System Bootstrap, Version 12.3(8r)YI4, RELEASE SOFTWARE

System image file is "flash:c870-advipservicesk9-mz.124-24.T2.bin"

Cisco 871W (MPC8272) processor (revision 0x300) with 118784K/12288K bytes of memory.
MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10
5 FastEthernet interfaces
1 802.11 Radio
128K bytes of non-volatile configuration memory.
28672K bytes of processor board System flash (Intel Strataflash)

I have this problem too.
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derrick@threeri... Fri, 04/23/2010 - 11:02

Hi Lucien,

Thanks for your reply. But I would like to have it setup so that guest can create their own account. I work at a center for indpendent living and we do a lot of adovocacy for people with disabilities. My whole goal with this was to have guest sign-up with their e-mail to use our internet access for free. Than we could send out our bi-monthly newsletters to their e-mail. I guess I should also mention we have an ASA 5510. Would it be possible to forward the traffic using that device?

Lucien Avramov Fri, 04/23/2010 - 11:13

You will not find this feature with the router itself.

You have two options you can go with: Nac Guest Server or a Wireless Lan Controller.

http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5707/ps8418/ps6128/product_data_sheet0900aecd806e98c9.html

http://www.cisco.com/en/US/products/hw/wireless/index.html

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https://supportforums.cisco.com/docs/DOC-8895

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derrick@threeri... Fri, 04/23/2010 - 11:19

Thanks again. But unfortunately with the budget cuts lately we can't afford to purchase any new hardware. I apprecaite the response and will keep this information for the future.

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Posted April 22, 2010 at 7:51 AM
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