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3750X-12S-S IOS

The 3750-12S-S comes with IP based IOS.  I know it is possible to upgrade the IOS on a 3750X-48P-L from LAN based to IP based IOS.  However, can the IOS on the 12-S be downgraded to the LAN based IOS?

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VIP Super Bronze

3750X-12S-S IOS

No, the minimum software on 12-S is IP Based.  It can be upgraded to IP Services, but not downgrade to LAN Base.

Have a look at table-1 in this link

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/data_sheet_c78-584733.html

HTH

Hall of Fame Super Gold

3750X-12S-S IOS

Like what Reza said, it's an "upward" step only:  LAN Base > IP Base > IP Services.  You can't go downward.

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