topic Multiple VLANs on same SSID in Wireless

Multiple VLANs on same SSID

Bradley Fox — Sun, 04 Jul 2021 05:57:39 GMT

Hello community! I'd like some experts to take a look at my solution here and see if I'm taking the correct approach.

I have the following scnerio:

WLC 5508 7.0.116.0
Physical ports configured for LAG
AIR-LAP1142N-A-K9
Multiple Buildings
Each Building has it's own WiFi VLAN/Subnet
All buildings share SSID
WiFi Clients should be assigned the correct subnet/vlan based on the building they are in

I've done the following on my 5508:

Setup an interface for each VLAN/Subnet
Setup an Interface group and added interfaces from step 1
Created WLAN (SSID) and assigned it to the interface group from step 2
Created AP Groups for each Building
Assigned approperiate interface from step 1 to each AP Group
Assigned APs from each building to AP Groups

Does this look like the correct configuration for my goal? I set this up using information from this article though it appears to be old and they aren't using LAG in their setup.

Multiple VLANs on same SSID

Scott Fella — Wed, 31 Oct 2012 15:23:23 GMT

Depends... is your building connected via layer 2 or layer 3. If layer 3, you need to setup the access point in your other building in h-reap mode and setup you ssid to h-reap local switching. This will allow you to map the ssid to the correct vlan at that location.

Thanks,

Scott

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Multiple VLANs on same SSID

Scott Fella — Wed, 31 Oct 2012 15:24:16 GMT

This doc explains h-reap:

http://www.cisco.com/en/US/products/ps10315/products_tech_note09186a0080736123.shtml

Thanks,

Scott

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Multiple VLANs on same SSID

Bradley Fox — Wed, 31 Oct 2012 15:26:59 GMT

My buildings are connected via Layer 2

Multiple VLANs on same SSID

Scott Fella — Wed, 31 Oct 2012 15:29:35 GMT

So all the vlans come back to where the WLC is located.... then you can use ap groups and define what ap's will have what ssid and what interface they will use. Makes sense?

Thanks,

Scott

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Multiple VLANs on same SSID

Bradley Fox — Wed, 31 Oct 2012 15:44:44 GMT

I'm sorry if I'm being dense, but just to clarify. All my vlan gateways are on the service stack the WLC is connected to so the configuration in my original post is correct?

All WiFi traffic in this scnerio will be tunneled back to the controller via CAPWAP?

Multiple VLANs on same SSID

Stephen Rodriguez — Wed, 31 Oct 2012 16:04:59 GMT

Yes that is correct.

HTH,
Steve

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