| Product Type | Software |
| License Type | Upgrade Package |
| Software Name | Enhanced Multilayer Software Image |
| Description | Enhanced Multilayer Software Image upgrade enabling advanced Layer 3 features like OSPF and EIGRP for Cisco Catalyst 3750 48-Port switch |
| Platform Supported | Cisco Catalyst 3750 Series 48-Port Switches |
| Form Factor | Digital Download / License Package |
| Intended For | Enterprise Networking / LAN Routing |
| Features | Enables Layer 3 routing features including OSPF, EIGRP, BGP, QoS enhancements |
Cisco Enhanced Multilayer Image Upgrade for 3750 48-Port Switch

Key Benefits
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- Enables advanced Layer 3 routing features on existing hardware, reducing the need for hardware replacement.
- TAA compliance supports deployment in government-regulated environments and public sector contracts.
- Single-switch license makes it a scalable and cost-effective enhancement for targeted upgrades.
Product Overview
The Cisco Enhanced Multilayer Software Image Upgrade (CD-3750G-48EMI=) enhances 48-port 3750 series Gigabit Ethernet models with advanced Layer 3 routing capabilities, including dynamic routing protocols like OSPF and EIGRP. Packaged for single-switch upgrades, it is TAA-compliant and ideal for regulated sectors. The upgrade is designed to improve QoS, routing, and scalability while minimizing overhead by retaining existing hardware. A cost-effective solution for organizations seeking higher performance and smarter networking through software innovation.
Specifications
Product Overview
Cloud Management & Licensing
| License Quantity | 1 Switch |
| License Pricing | Standard |
| License Features | Permanent license upgrade, no hardware required, retains existing configuration |
| Product Licensing Model | Perpetual |
| Management Capabilities After Upgrade | Advanced IP routing protocols management, full Layer 3 CLI support |
Compliance & Origin
| TAA Compliance | Yes |
| Country of Origin | United States |
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CD-3750G-48EMI= |
| Brand Name | Cisco |
| Compliance Standards | Trade Agreements Act (TAA), FCC Part 15 Class A (as applicable by platform) |
Product Compatibility & Requirements
| Compatible Hardware Series | Cisco Catalyst 3750G-48, WS-C3750G-48TS, WS-C3750G-48PS |
| Minimum IOS Version Required | Dependent on switch model and ROMMON version |
| Dependencies | Must be installed on supported hardware; CLI access required for upgrade |
| Upgrade Medium | License file or Cisco Smart Licensing activation (depending on version) |
Support & Documentation
| Documentation Availability | Cisco.com Support with Software Configuration Guide for Catalyst 3750 Series |
| Support Resources | Cisco TAC, Cisco Software Download Portal |
| Warranty Type | Cisco Software Warranty |
Interfaces
| Hardware Compatibility | Cisco Catalyst 3750G-48 Series Switches |
Advanced Security Features
| Security Features Enabled Post-Upgrade | Access Control Lists (ACLs), Routing protocol authentication (OSPF, RIP, EIGRP), VLAN routing firewall segmentation |
| Supported Routing Protocols | OSPF, EIGRP, RIP v1/v2, BGP (limited), Static Routing |
| QoS Capabilities | Multiple queues per port, scheduling, policing, traffic shaping |
| Access Control Mechanisms | Port-Based ACLs, Routed ACLs |
Software Details
| Software Main Type | Network & Communication |
| Software Sub Type | Network Connectivity/Management |
| Package Type | Retail |
| Manufacturer Website Address | http://www.cisco.com |
| Release Version | Enhanced Multilayer Image (EMI) |
| Supported Features After Upgrade | Static Routing, Policy-Based Routing (PBR), IP Services, Routing Protocols, Multicast Routing, QoS, Security ACLs |
| Upgrade Mode | Software license applied through CLI or Cisco License Manager |
Physical & Environmental
| Physical Delivery | Electronic / Not Applicable |