wireless ip pool allocation

[suthomas1]

We have a WLC 5500 connected to a 2960 acting as core switch. there is a server attached to the switch , bearing all dhcp pools for lan and wireless users.

Can the wlc or the switch be configured in such a way that the wireless users associating to the wlc get their ip addresses from the dhcp pool configured on the server.

Appreciate if the configuration can be shared for such a setup.

Thanks in advance!

[Scott Fella]

Yes... that is the default process for the WLC to point dhcp to a primary or secondary dhcp server.  You just need to have ip helpers on the wireless svi's.

Thanks,

Scott

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[Scott Fella]

Here is a link:

https://supportforums.cisco.com/docs/DOC-1994

Thanks,

Scott

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[suthomas1]

Thanks. So all we have to do is configure ip helper address on the wireless SVI in the switch and use the ip address of the server holding the dhcp scope as the helper ip address. is that correct?

however the document gives a different picture using virtual address.

Appreciate your inputs on this.

[Scott Fella · Accepted solution]

That is correct... when you have dhcp proxy configured on the wlc, the devices will see the VIP address as the dhcp server.  If you disable that, then the device will see the actual dhcp server ip address.

Thanks,

Scott

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[Scott Fella]

Here is another link to help you understand what needs to be done.

http://www.cisco.com/en/US/customer/docs/wireless/controller/3.2/configuration/guide/c32sol.html#wp1044162

Thanks,

Scott

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