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In stacking 3750, 3750G or 3750X IOS should be identical.https://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5023/prod_white_paper09186a00801b096a.html
The 1030 or 1000 series access point is still compatible with other Cisco WLC (2100, 4400, 5500) as long as the release is NOT 5.0.148.0 or later.http://www.cisco.com/en/US/docs/wireless/controller/release/notes/crn7.0.html
