Cisco C812-K9 Full Product Description

1. Short Overview

Suffix Breakdown

• C812: Model designation of entry-level 800-series desktop branch router
• -K9: Cisco permanent crypto license bundle, supporting AES, IPsec and all encrypted security features

Core Differentiators

1. vs cellular variants C812G-K9: C812-K9 has no integrated cellular WAN module, only supports wired Ethernet uplinks; cellular models provide wireless backup WAN.
2. vs C812-CIFI-K9: No embedded Wi-Fi access point radio, purely wired networking design.
3. vs higher-end Cisco 880/890 ISRs: Lower port count, smaller size, lower power consumption, optimized for ultra-small single-LAN-site deployments.
4. vs industrial rugged C819 series: Commercial indoor desktop chassis with standard temperature range, not suitable for harsh outdoor/industrial environments.

2. Hardware Interface & Performance Specifications

Port Layout

1. 1 × 10/100/1000BASE-T Gigabit Ethernet WAN port: For broadband, DSL or metro Ethernet uplink
2. 1 × 10/100/1000BASE-T Gigabit Ethernet LAN port: Connect local switches, POS equipment, PCs or IP cameras
3. 1 × Combo RJ45 Console/Auxiliary port: Local CLI configuration via rollover cable, auxiliary dial backup support

• All RJ45 ports support auto MDI/MDI-X, auto speed and duplex negotiation

Memory & Storage

• DRAM: 512 MB system memory
• Flash storage: 512 MB onboard compact flash, stores IOS image, startup-config, logs and security databases

Physical Indicators

Physical & Power Parameters

• Form factor: Compact desktop plastic chassis, supports optional wall-mount bracket
• Dimensions: 185 mm × 170 mm × 40 mm
• Weight: 0.83 kg
• Standard power supply: 20W external AC adapter, input 85–264 VAC 50/60 Hz, output 5 VDC / 4 A
• Optional power supply: C810-POE-SPL splitter to power the router from PoE+ switch port
• Typical power consumption: 15 W under full load
• Ingress protection: IP20, only for dry indoor commercial environments

Environmental Specifications

• Operating temperature: 0°C ~ +40°C; performance derates above 1500 m altitude
• Storage temperature: -40°C ~ +70°C
• Relative humidity: 10% to 85% non-condensing
• Maximum operating altitude: 3,000 m

3. Hardware Acceleration & Security Engine

• Dedicated hardware IPsec encryption accelerator to offload VPN traffic and avoid CPU bottlenecks
• K9 crypto license enables full encryption suite: AES-256, 3DES, DES, SHA-1/SHA-2, IKEv1/IKEv2

4. Cisco IOS Software Feature Set (K9 Encrypted Image)

WAN & Routing Functions

• Static routing, RIPv1/v2, OSPF lightweight branch routing protocols
• Policy-based routing (PBR), NAT/PAT overload, multi-NAT pool for internal user address translation
• DHCP server for local LAN endpoints, DNS proxy
• Traffic shaping, policing and QoS bandwidth control for metered broadband links

Enterprise Security Suite

• Zone-Based Stateful Firewall (ZBFW) for internal/LAN and internet traffic isolation
• Site-to-site IPsec VPN tunnels to corporate headquarters, IKEv2 dynamic tunnel support
• Basic application filtering, signature-based threat mitigation
• AAA authentication via TACACS+ / RADIUS, 802.1X port authentication
• Secure management only: SSHv2, HTTPS; plaintext Telnet disabled by default
• Access control lists (ACL) for granular traffic filtering

QoS & Traffic Optimization

• Low Latency Queueing (LLQ) for voice, POS payment and real-time video traffic priority
• TCP/RTP header compression to reduce broadband bandwidth overhead

Remote Management & Automation

• Zero-Touch Provisioning (ZTP) for mass deployment of retail branch networks
• SNMP v2c/v3, remote syslog logging, on-box Tcl scripting
• Compatible with Cisco DNA Center for centralized network lifecycle management
• GOLD built-in diagnostics to monitor hardware operational status in real time

5. Typical Deployment Scenarios

1. Single-POS Retail Store Gateway
   Dedicated wired router to connect cash register systems to corporate network via IPsec VPN, zone firewall isolates payment terminals from public internet.
2. Small Unmanned Remote IoT Site
   Wired Ethernet uplink for IP surveillance cameras and environmental sensors, secure encrypted tunnel back to central management platform.
3. Temporary Small Office Fixed-Line Gateway
   Cost-effective compact router providing basic routing, firewall and secure remote access for short-term project offices without cellular or wireless requirements.
4. Secondary Backup Branch Router
   Deployed as standby wired gateway to supplement primary network equipment for business continuity during main router failure.
5. Low-Density Regional Satellite Office VPN Gateway
   Lightweight core VPN device to establish encrypted inter-site tunnels without extra LAN switch ports or wireless capabilities.

6. Standard Package Contents of C812-K9 SKU

Separately Sold Optional Accessories

• C810-POE-SPL PoE power splitter
• Console rollover cable for local CLI configuration
• High-capacity compact flash storage upgrade
• Spare replacement power supply units

Software Licensing Information

• The-K9suffix includes permanent built-in cryptographic license, no extra purchase required for IPsec, AES encryption and secure management functions
• All core routing, firewall, QoS and ZTP features are included in the base IOS image; no additional paid feature licenses
• No Wi-Fi or cellular feature licenses applicable (hardware omitted from this model)

Short Commercial Catalog Summary for Quotation