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For each map you want to use positioning on,  you have to add at least three GPS markers in your Cisco Prime Infrastructure.

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1. Use the following web page: https://debug.mazemap.com/poi-inspector/
2. Select the floor you want to create GPS markers for and zoom in if necessary
3. Click in the map to find lonlat coordinates for a point. Use easily recognisable points such as corners.

Step 2: Export maps from Cisco Prime, Import in CMX & Restart CMX

This has to be repeated every time you make changes to the maps (including GPS markers) in Cisco Prime.

HowTo: http://www.cisco.com/c/en/us/td/docs/wireless/mse/10-2/cmx_config/b_cg_cmx102/getting_started_with_cisco_cmx.html#concept_48D1D73677E9492D9D2BA51EE81AD2AE

Remember to restart the CMX after this

Step 3: Restart LIPI service

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