No Internal DHCP over another (Guest) SSID/Interface

[amartinez]

Hello everyone,

I need some help please.

I have a cisco wlan controller (2100) running software 7.0.235.0. I have the internal private wlan running off of port 1 and that is working fine with an internal dhcp server.

My question is:

Is it possible to setup another ssid (guest) and have the interface directly linked to a static ip on the WAN and also use the built in cisco internal dhcp server?

Thank you

[Scott Fella · Accepted solution]

You would need something in between that would do NAT. But year you can define port 1 for your internal and port 2 for your guest if you want. You can also define a dhcp scope on the WLC, but you need something that will NAT.

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[amartinez]

Thank you Scott,

In this case, what would you use in between to NAT?

This is what I have done:

I have already played around with it a bit and setup port 6 with the interface configured with all WAN ip settings. I have setup a dhcp scope with the management ip being the dhcp server ip. I'm not sure how that would work but I did make sure dhcp proxy was enabled. The guest SSID is also setup with the setting (DHCP server override) to the management ip. I still don't receive any ip from the wlan controller though.

Again thank you,

I appreciate your help

[Scott Fella]

Put a router in between, that should do it.

Thanks,

Scott

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[amartinez]

Scott,

I have added a router in between the wlc and cable modem and after configuring dhcp etc it works exactly the way I wanted it to.

Thank you very much for your help.