C3750G IP BASE upgrade to IP SERVICE with stacking four switches

[Alex Wong]

Dears

   Existing i have 4 x C3750G IP BASE with stacking, now need upgrade to IP service for BGP support.
Order from reseller PN: CD-3750G=EMI=.

I want ask need purchasing 4 x "CD-3750G=EMI=" or just purchasing 1 only for 4 x switches. I checked Cisco supportforums C3750G not support license activation.

Many Thanks

Wong
 

[Leo Laohoo]

You need to purchase each license for each individual member of the stack.  So if you've already purchased one, then you need to purchase additional three more.

[Joseph W. Doherty]

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Posting

My understanding has been the 3750 series will allow you to (legally) run a whole stack with an IPServices image as long as one stack member has a license for IPServices.

For redundancy, you should have at least two stack members with IPServices, otherwise if the sole IPServices master fails, the whole stack reverts to IPBase.