WLC DHCP

Unanswered Question
Sep 2nd, 2008

I'm using the internal WLC DHCP to assign DHCP addresses to our APs. If you have more then one scope defined in the internal DHCP how it is determined which scope the APs use versus clients on a WLAN?

Ran into an issue last week where our APs started using addresses from the other scope and the wireless network went down. Seeing a design issue where the WLC interface and one of the WLAN are using the same VLAN. Thinking I need to separate the WLANs from the WLC AP Manager and Mangement interfaces.

Craig

I have this problem too.
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Scott Fella Tue, 09/02/2008 - 09:49

You do need to seperate the AP's from the wireless user subnet especialy if you plan on using dhcp on the wlc. I always place the ap's on seperate subnets from any wired or wireless user subnet. I will place them in a management subnet if possible.

cef2lion2 Tue, 09/02/2008 - 11:26

Thanks. If you use the WLC internal DHCP server. How does it know which interfaces to serve IP addresses on.

Scott Fella Tue, 09/02/2008 - 12:03

In the dynamic interface, you would put the management ip address as the primary dhcp. You can also specify the primary dhcp on the wlan ssid.

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