Stop advertising hosts on Wifi network

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Sep 23rd, 2010
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Any there a way to stop advertising Cisco appliances on a WiFi network. For example when I logon to our in-band Guest Wifi using nmap I can see the Cisco Controller interfaces and the NAC server trusted and untrusted interfaces as well as the Web Server for authentication. I would rather not have these hosts advertised on our Wifi Guest network and only for the client to see DHCP Default Gateway. Is this possible or is this more of a topolgy design issue?

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Stephen Rodriguez Mon, 09/27/2010 - 06:54
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For the WLC at least you could define an ACL that blocks the client subnets and apply it as a CPU ACL.  For WCS and NAC, you would need ACL at L3, but I would definitely test in a lab environment to make sure all necessary ports are open.

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