I'm purchasing an extra switch for the current WS-C3750G-12S-E stacks. Currently it has c3750-advipservicesk9-mz.122-35.SE1.bin which I believe this is considered as EMI. (Yes, I know the diff between SMI/EMI)
What I'm currently confused is, I need purchase this WS-C3750G-48PS-E model which the IOS is "IPS Image". To have the same IOS as
WS-C3750G-12S-E (c3750-advipservicesk9-mz.122-35.SE1.bin) I will need to purchase an upgrade.
The Configuration tool provides these two parts
CD-3750G-48EMI= Enhanced Multilayer Image upgrade for 48-port 3750 GE models
LL-3750G-EMI= Enhanced Multilayer SW Image License for 3750 GE models
Q. Does it cost more for a Layer 3 or special-features license?
A. The Cisco Catalyst 3750-24TS-E, 3750-24PS-E, 3750-48TS-E, 3750-48PS-E, 3750G-24T-E, 3750G-24TS-E, 3750G-24TS-E1U, 3750G-24PS-E, 3750G-48TS-E, 3750G-48PS-E, 3750G-16TD-E, and 3750G-12S-E are loaded with the IP Services Software Image which is included in the standard list price. However, the Cisco Catalyst 3750-24TS-S, 3750-24PS-S, 3750-24FS-S, 3750-48TS-S, 3750-48PS-S, 3750G-24T-S, 3750G-24TS-S, 3750G-24TS-S1U, 3750G-24PS-S, 3750G-48TS-S, 3750G-48PS-S, 3750G-16TD-S, 3750G-12S-S, and 3750G-12S-SD switches are loaded with the IP Base Software Image. Cisco Catalyst 3750-24TS-S, 3750-24TS-S1U, and 3750-48TS-S can be upgraded to the IP Services Software Image with the purchase of the IP Services Software Image upgrade kit (part number CD-3750-EMI=) for $1995. The Cisco Catalyst 3750G-24T-S, 3750G-24TS-S, 3750G-16TD-S, 3750G-12S-S, and 3750G-12S-SD can be upgraded to the IP Services Software Image with the purchase of the IP Services Software Image upgrade kit for 24 port or less 3750GE models (part number CD-3750G-EMI=) for $3995. The Cisco Catalyst 3750G-48T-S and the 3750G-48PS-S can be upgraded to the IP Services Software Image with the purchase of the IP Services Software Image upgrade kit for 48 port 3750GE models (part number CD-3750G-48EMI=) for $7995. The IP Base Software Image includes RIP and static routing. For dynamic IP routing features (BGPv4, OSFP, EIGRP, IGRP), the IP Services Image is required.
My Questions are:
1. So, Since I need to purchase only CD-3750G-48EMI= instead of LL-3750G-EMI=, what does LL-3750G-EMI= use for?
2. If I choose to purchase CD-3750G-48EMI= with the switch, will I get the switch loaded with the appropriate IOS c3750-advipservicesk9-mz.122-35.SE1.bin or
3. will I get c3750-advipservicesk9-mz.122-35.SEX where X is the latest version of this IOS (Currently 5 instead of 1)
4. Can downgrade it from SE5 to SE1 without need to re-apply the licensing?
5. If I get c3750-advipservicesk9-mz.122-35.SE5, will my switch stacks with c3750-advipservicesk9-mz.122-35.SE1?
6. If I choose to purchase CD-3750G-48EMI= will this IOS installed or it comes with a CD that I need to run the upgrade myself?
Thanks before hand for your assistance.
Addition. This link actually shows 3 IOS IPBASE, IPServices, and Advance IP Services. How can I upgrade from IPServices to Advance IP Service?
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