Let me try to answer some of your questions:
1. I have 1832i ap. How do I know which image is path1 or path2
Is Backup image always path2?
# sh ver
AP Running Image : 8.3.143.0
Primary Boot Image : 8.3.143.0
Backup Boot Image : 8.5.161.0
>You are correct… part 1 is primary and part 2 is backup. You will find some info here:
https://community.cisco.com/t5/wireless-mobility-documents/understanding-access-point-os-images/ta-p/3123952 <>
2. this command shown the ap is in capwap mode
could I use ME in CAPWAP mode with WLC
if yes, does it mean I don't have to use lightweight image. I can use ME image for both ME and CAPWAP
# sh ver
AP Running Image : 8.5.161.0
Primary Boot Image : 8.5.161.0
Backup Boot Image : 8.3.143.0
AP Image type : MOBILITY EXPRESS IMAGE
AP Configuration : NOT MOBILITY EXPRESS CAPABLE
>Mobility Express document explains the conversion to CAPWAP if you want to join a controller:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-2/b_Mobility_Express_Deployment_guide/b_Mobility_Express_Deployment_guide_chapter_01100.html <>
3. if I want to erase all capwap config in lightweight or ME image, I can use this
# capwap ap erase all
What is the similar command to erase all ME config
> You can also use the mode button or if the ap is joined, you can also factory reset
4. if ME Controller and MEAP in the same subnet, I don't have to use dhcp option 43
do I need dhcp option 43 if ME Controller and ME AP
-connected to trunk port
-connect to access port but ME Controller and ME AP in different subnet
> With ME, I thought that all ap’s have to be on the same subnet
-Scott
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