wlc problem with proxy, cant access internet

Answered Question
Jun 26th, 2009

Hi, i have a wlc 4402 and a server Proxy, the wireless clientes cant access to internet, the proxy permit acess the ip`s of the clients, but for any reason the wireless clients can`t acess to internet, but can ping the proxy, any idea to fix that ?

Correct Answer by Stephen Rodriguez about 7 years 8 months ago

what port is the proxy listening on? Try the following on the CLI of the WLC:

config network web-auth-port < port number>

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dennischolmes Fri, 06/26/2009 - 10:42

Is the proxy set up as the gateway on the interface servicing the WLAN as well as the Management and AP Manager interfaces?

andresfmg Fri, 06/26/2009 - 11:28

proxy: 10.1.10.90

gateway: 10.1.10.1

the managment interface have the gateway : 10.1.10.1

manually i put the proxy in the internet explorer.

That configuration work fine on desktop pc. any idea ?

Correct Answer
Stephen Rodriguez Fri, 06/26/2009 - 11:29

what port is the proxy listening on? Try the following on the CLI of the WLC:

config network web-auth-port < port number>

andresfmg Fri, 06/26/2009 - 11:34

proxy port : 8080

there any way to do that command in the web interface, becouse im remote admin the wlc.

when a wireless client navigate , the ip is change for the managment ip like a nat, i rode something like that:

http://www.cisco.com/en/US/products/ps6366/products_qanda_item09186a008064a991.shtml

"How does DHCP work with the WLC?

A. The WLC is designed to act as a DHCP relay agent to the external DHCP server and acts like a DHCP server to the client. This is the sequence of events that occurs:

Generally, WLAN is tied to an interface which is configured with a DHCP server.

When the WLC receives a DHCP request from the client on a WLAN, it relays the request to the DHCP server with its management IP address.

The WLC shows its Virtual IP address, which must be a non-routable address, usually configured as 1.1.1.1, as the DHCP server to the client.

The WLC forwards the DHCP reply from the DHCP server to the wireless client with its Virtual IP address. "

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