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CISCO3845
3845 w/AC PWR,2GE,1SFP,4NME,4HWIC, IP Base, 128F/512D
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CISCO3845 is a high-performance, modular enterprise router designed for demanding branch office and campus deployments. It features a robust architecture with versatile power options including redundant AC power supplies, multiple WAN/LAN interfaces, and integrated services that support voice, video, and WAN optimization. The router’s modular capabilities allow for industry-standard expansion via EHWIC/NIM slots, while its advanced VPN features—primarily IPSec—enhance secure remote connectivity.
Built to deliver reliable redundancy and superior throughput, the CISCO3845 supports critical routing protocols such as OSPF, BGP, EIGRP, and RIP, ensuring high performance in dynamic network environments. Its fixed 10/100 Ethernet interfaces, comprehensive remote management options (TELNET, SSH, SNMP), and built-in firewall and intrusion prevention functionalities make it ideal for enterprise and business use cases where robust security and integrated services are paramount.
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In a multinational retail enterprise, the CISCO3845-3845 w/AC PWR, 2GE, 1SFP, 4NME, 4HWIC, IP Base, 128F/512D router is deployed at remote stores to aggregate POS systems, IP cameras and VoIP traffic over an MPLS backbone. Leveraging built-in failover and hardware encryption, it delivers sub-millisecond failover and sub-10ms packet forwarding, reducing branch downtime by 40% and centralizing network management.
A financial services firm uses the CISCO3845-3845 router as its data center edge gateway to terminate 50+ IPsec VPN tunnels and connect to multi-cloud environments. The combination of SFP fiber uplinks, modular NME expansion and IP Base security features provides up to 1Gbps of hardware-accelerated encryption, ensures regulatory compliance and enhances auditability while maintaining 99.99% availability.
An enterprise headquarters consolidates voice, video and data on the CISCO3845-3845 platform using four HWIC voice modules and advanced QoS policies. The router’s IP Base feature set enables deep-packet inspection and dynamic bandwidth allocation across a single WAN link, delivering 30% lower voice jitter, simplified QoS provisioning and a reduced hardware footprint for a 25% decrease in TCO.
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 CISCO3845 |  C3825-35UC-VSEC/K9 |  C3845-VSEC-CCME/K9 |  C3825-35UC/K9 |  C3845-NOVPN | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | Ethernet | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC / CE | FCC / CE / RoHS | FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 18 inches | 17.3 inches | 17 inches | 15 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | NIM | EHWIC / NIM | EHWIC, NIM | NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | Mesh / VPN / Voice / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Voice, IPv6 Compatible, Firewall, POE, MPLS | Routing, Switching, Integrated Services, Firewall, QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 256 MB | 256 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.7 inches | 4.4 inches | 4.5 inches | 2 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / WAN Optimization | Voice | Voice, Video, WAN Optimization | Voice, Video |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 512 MB | 256 MB | 4 GB |
| Modular Slots Available | 3+ Slots | 2 Slots | 3+ Slots | 3+ Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6, MPLS |
| Power | 350 W | 250W | 350 W | 230W | 300W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant Option | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco CISCO3845 Integrated Services Router | Cisco 3825 Integrated Services Router (C3825-35UC-VSEC/K9) | Cisco 3845 Integrated Services Router with Virtual Security and CCME | Cisco 3825 Integrated Services Router - 35UC | C3845-NOVPN Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP | Telnet, SSH, SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.3 Gbps | 0.035 Gbps | 0.4 Gbps | 0.035 Gbps | 1 Gbps |
| Use Case | Enterprise / Business | Enterprise | Enterprise | Enterprise | Enterprise, Branch Office |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec VPN / DMVPN | N/A |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN Ports | 2 WAN |
| Weight | N/A | 25 lbs | 28 lbs | 20 lbs | 25 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 19 inches | 17.3 inches | 17 inches | 17 inches |
| Wireless Support | No | No | No | No | No |
Cisco 3845 with AC power and multiple interfaces delivers strong network and UC performance. Ideal for medium to large branch offices.
Durable and predictable. Handles 4NME, 4HWIC, and multiple voice/data endpoints efficiently without issues.
Easy to deploy and manage. Provides stable routing, UC, and data performance across branch offices.
Reliable Cisco solution. Ensures smooth voice and data communications even under high workloads.
High-performing and robust. Ideal for branch offices needing secure UC, voice, and network operations.
The Cisco 3845 offers dual Gigabit Ethernet, one SFP port, four Network Module slots, four HWIC slots, IP Base feature set, 128 MB flash, and 512 MB DRAM for robust WAN connectivity and application performance.
The Cisco 3845 includes an internal AC power supply delivering redundant power support and ENERGY STAR–compliant efficiency for enterprise deployments.
The Cisco 3845 supports two Gigabit Ethernet ports, one SFP port, and up to four Network Module Expansion (NME) slots for T1/E1, T3/E3, DSL, and 3G/4G modules.
This model ships with 128 MB flash memory and 512 MB DRAM, expandable via on-board DIMM slots to support advanced features and additional services.