United States$5,000,000+
Inventory Delivered By
H
Henry Davis
5
Dual Ethernet router with ISDN backup. Reliable performance keeps business-critical operations running smoothly.
CISCO1812/K9
Dual Ethernet Security Router with ISDN S/T Backup
FEATURED DEAL
Name:
CISCO1812/K9
- Description:
- Dual Ethernet Security Router with ISDN S/T Backup
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 746320951447
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
CISCO1812/K9 Overview
CISCO1812/K9 is a fixed, integrated services router engineered to deliver reliable performance for business and small business networks. It offers versatile power options with an AC power supply and built‐in redundancy to ensure continuous operation during critical network demands.
This router comes equipped with dedicated WAN and LAN interfaces that support 10/100 Ethernet technology and facilitates advanced integrated services such as voice and video. Modular expansion capabilities, robust VPN support including IPSec and SSL VPN options, high throughput performance with QoS features, and integrated firewall and intrusion prevention systems make the CISCO1812/K9 ideal for secure enterprise connectivity and unified communications use cases.
CISCO1812/K9 price is is available on request. Get immediate quote.
Request bulk order quote for CISCO1812/K9 for additional pricing. Browse the full Router Isr 1800 series or explore all Cisco products.
CISCO1812/K9 Specifications
- Flash Memory
- 256 MB
- Memory
- 512 MB
- Ethernet Technology
- 10/100
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- VPN Support
- IPSec / SSL VPN / DMVPN
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Architecture
- Fixed
- WAN Ports
- 2 WAN
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- WAN Configuration
- WAN
- High Availability Support
- Supported
- Expansion Slots
- EHWIC
- Use Case
- Business / Small Business
- Integrated Services
- Voice / Video
- Modular Slots Available
- 1 Slot
- LAN Ports
- 4 LAN Ports
- Built-in Security Features
- Firewall / Intrusion Prevention
- Network Protocols
- IPv4 / IPv6
- Throughput Capacity
- N/A
- Speed/Capacity
- Fast Ethernet
- Broadband
- DSL
- Power Source
- AC Power Supply / Redundant
- Product Type
- Integrated Services Router
- Power
- 65W
- Remote Management
- CLI / SNMP / Telnet / SSH
- Form Factor
- Rack-mount / Desktop
- Compliance Standards
- IEEE802.3, IEEE802.3u, FCC, CE
- Features
- VPN, VoIP, IPv6 Compatible, Firewall, MPLS
- Product Name
- CISCO1812/K9 Integrated Services Router
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1812/K9 |  C1841-3G-S |  CISCO1812W-AG-C/K9 |  C1841-T1SEC-V2/K9 |  C1861-2B-VSEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / IPSec VPN | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | IEEE802.3, IEEE802.3u, FCC, CE | FCC / CE / UL | FCC, CE | FCC, CE, UL | FCC, CE |
| Connectivity Type | Wired | Wired | Wired / Wireless | Wired | Wired |
| Depth | N/A | N/A | 11.0 inches | N/A | 14 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 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | EHWIC | NIM |
| Features | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / VoIP | VPN / VoIP / Firewall / IPv6 Compatible | VPN, Firewall, IPv6 Compatible, Voice, Video |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount / Desktop | Desktop | Desktop | Rack-mount | Desktop |
| Height | N/A | N/A | 1.73 inches | N/A | 1.75 inches |
| High Availability Support | Supported | Not Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice / Video / WAN Optimization | Voice | Voice / Data / Security | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | N/A | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 128 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 1 Slot | 2 Slots | 1 Slot | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6 | TCP/IP | IP, VoIP |
| Power | 65W | 65W | 35W | 38 W | 85 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1812/K9 Integrated Services Router | Cisco C1841-3G-S Integrated Services Router | CISCO1812W-AG-C/K9 | Cisco 1841 Integrated Services Router - T1SEC | Cisco C1861-2B-VSEC/K9 Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / Telnet / SSH | Telnet / SSH / 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 / EIGRP / RIP / Static Routing | RIP / OSPF / EIGRP / BGP / Static Routing | OSPF / EIGRP / RIP / BGP |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | N/A | N/A | N/A | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | N/A | 0.025 Gbps | 0.025 Gbps | 0.033 Gbps | 15 Mbps |
| Use Case | Business / Small Business | Enterprise | Business | Enterprise | Business |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 1 WAN | 2 WAN | Modular WAN | 2 WAN |
| Weight | N/A | N/A | 9.1 lbs | N/A | 10 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 4 | N/A | N/A |
| Width | N/A | N/A | 17.0 inches | N/A | 17 inches |
| Wireless Support | No | No | Yes | No | No |
Reviews & Ratings
S
Sophia Turner
4
Cisco 1812 ensures stable routing and secure connections. Backup options provide extra reliability for small offices.
E
Ethan Bell
5
Easy to deploy and manage. Handles office traffic efficiently with dependable backup support.
O
Olivia Morgan
3
Stable Ethernet performance with ISDN failover. Ideal for branch office continuity.
L
Lucas Foster
4
Reliable dual Ethernet router. Cisco quality ensures secure and consistent network operations.
Questions & Answers
What is the Cisco 1812/K9 Dual Ethernet Security Router with ISDN S/T Backup?
The Cisco 1812/K9 is a dual 10/100 Ethernet security router featuring integrated firewall, VPN, and ISDN S/T backup, designed for reliable small business connectivity.
What are the key features of the Cisco 1812/K9?
Key features include dual Ethernet ports, Stateful Packet Inspection firewall, IPsec VPN, ISDN S/T backup interface, Cisco IOS, and comprehensive security services.
What maximum throughput does the Cisco 1812/K9 support?
The Cisco 1812/K9 delivers up to 25 Mbps of stateful firewall throughput and 15 Mbps of IPsec VPN throughput for secure site-to-site connections.
How many and what types of ports are available on the Cisco 1812/K9?
It provides two 10/100 Ethernet LAN/WAN switch ports and one ISDN S/T backup port, plus an RJ-45 console port for out-of-band management.