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Tuesday, April 16, 2013

What are the differences between Cisco WS-C3750G-24T-E and WS-C3750G-24T-S

Is there any hardware difference between Cisco  WS-C3750G-24T-E and WS-C3750G-24T-S or they are the same switch with different running IOS? We have an stack of some WS-C3750G-12S-S and want to introduce a new WS-C3750G-24T. Our provider offers us only a WS-C3750G-24T-E and we do not know if we are going to be able to downgrade the IOS.


There is no hardware difference. Between this two models there is only a software difference, when you buy them from Cisco / Reseller. Please note that if you buy them refurbished, software can be different.

WS-C3750G-24T-E - Enhanced Image
WS-C3750G-24T-S - Standard Image

Yes the 3750G-24T-E is compatible when it comes to adding it to the stack.
Just have the right ios image version ready

However it might not be compatible when it comes to the connectors it is replacing.
the 24T has 24 Copper ports and if i do not remember wrong 0 sfp ports
but the 12-S has 12 sfp ports
so you are missing 12 sfp ports (12 vs 0) and unless they either are empty, copper ports or you can rearange links to the other 12S switches in the stack then you will have lost links.

You can add it to the stack if you have the right version of the image to match the others already in the stack.

WS-C3750G-24T-E comes with IP Services Image installed and WS-C3750G-24T-S comes with IP Base Image installed
And we can run dymanic IP routing in WS-C3750G-24T-E but cant run in WS-C3750G-24T-S
WS-C3750G-24T-S upgradeable to full dynamic IP routing.

See the below difference points for the same

WS-C3750G-24T-E
• 24 Ethernet 10/100/1000 ports
• 32 Gbps, high-speed stacking bus
• Innovative stacking technology
• 1 RU stackable, multilayer switch
• Enterprise-class intelligent services delivered to the network edge
• IP Services Image installed
• Full dynamic IP routing

WS-C3750G-24T-S
• 24 Ethernet 10/100/1000 ports
• 32 Gbps, high-speed stacking bus
• Innovative stacking technology
• 1 RU stackable, multilayer switch
• Enterprise-class intelligent services delivered to the network edge
• IP Base Image installed
• Basic RIP and static routing, upgradeable to full dynamic IP routing



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