Cisco C881-K9 Full Product Description

1. Short Overview

Suffix Breakdown

• C881: Base Ethernet-only data model of Cisco 880 Series enterprise small-branch ISR
• -K9: Permanent Cisco cryptographic license bundle, enabling AES-128/AES-192/AES-256, 3DES, DES, SHA-1/SHA-2, IKEv1/IKEv2 full encryption suite with hardware offload supportCisco Russ...

Core Differentiators

1. vs wireless variant C881W-A-K9 / C881W-E-K9: C881-K9 omits integrated 2.4GHz 802.11n MIMO WLAN AP hardware; wireless SKUs add built-in wireless coverage for on-site mobile clientsCisco.
2. vs cellular C881G-K9: C881-K9 has no embedded 3G HSPA+ cellular modem; cellular models provide independent wireless WAN primary/backup connectivity.
3. vs DSL integrated C887VAE-K9 series: 887VAE embeds onboard VDSL2/ADSL2+ POTS modem; C881-K9 relies solely on Ethernet-based broadband (cable, fiber media converter, metro-Ethernet) for uplink.
4. vs entry-level C861-K9: C881-K9 uses metal chassis, larger memory capacity, native IPS intrusion prevention, DMVPN and richer routing protocols (EIGRP/BGP) compared to plastic 860 Series low-end routersCisco.
5. vs industrial hardened C819HG series: C881-K9 is commercial desktop metal chassis with standard indoor temperature range, not certified for vehicle, railway or extreme outdoor industrial environments.

2. Hardware Interface & Performance Specifications

Complete Port Layout

1. 1 × 10/100BASE-T Fast Ethernet WAN port: Primary broadband uplink, auto MDI/MDI-X auto speed and duplex negotiation
2. 4 × 10/100BASE-T Fast Ethernet managed LAN switch ports
   • Supports 802.1Q VLAN tagging, port isolation, static MAC security, dedicated DMZ port assignment, broadcast storm control, SPAN port monitoring and Smartport macrosCisco
3. 1 × Combo RJ45 Console/AUX dual-purpose port: Local CLI configuration via rollover cable; auxiliary analog dial modem for out-of-band backup connectivity
4. USB 2.0 Type-A host port: External flash storage for log archiving, offline configuration backup and EEM script extensions
5. Hardware reset button, Kensington security lock slot for physical anti-theft protection

Memory & Storage

• DRAM: 512 MB standard system memory for concurrent VPN tunnels, dual-stack routing and IPS security inspection
• Flash storage: 256 MB onboard flash; factory preloaded c880-universalk9-mz Advanced Security IOS image, minimum supported release 15.1(4)TCisco

Front Panel LED Status Indicators

Physical & Power Parameters

• Form factor: All-metal compact desktop chassis, optional wall-mount bracket available
• Dimensions (W × D × H): 325 mm × 249 mm × 48 mm (12.8 × 9.8 × 1.9 inches) with rubber anti-slip feet
• Weight: 2.5 kg (5.5 lbs)
• Standard power supply: External universal AC adapter, input 100–240 VAC 50/60 Hz, output 12 VDC
• Typical maximum power consumption: 22 W under full port load
• Ingress protection: IP20, only suitable for dry indoor commercial office environments

Environmental Operating Specifications

• Operating temperature: 0°C ~ +40°C (32°F ~ 104°F)
• Storage temperature: -20°C ~ +65°C (-4°F ~ 149°F)
• Relative humidity: 10%–85% RH non-condensing
• Maximum operating altitude: 3,000 m (10,000 ft)

3. Hardware Acceleration & Security Engine

• Dedicated onboard crypto co-processor to offload IPsec VPN tunnel encryption and reduce main CPU overhead under up to 20 concurrent site-to-site and remote access tunnelsCisco Russ...
• Permanent K9 crypto license unlocks complete enterprise encryption stack: DES, 3DES, AES-128/192/256, SHA-1/SHA-2 hash algorithms, IKEv1/IKEv2 static site-to-site tunnels, Easy VPN remote access and DMVPN hub-spoke dynamic tunnels

4. Cisco IOS Advanced Security Feature Suite

WAN & Routing Functions

• Cisco Express Forwarding (CEF), static routing, RIPv1/v2, OSPF, EIGRP, BGP, GRE/MGRE tunnel encapsulation, full IPv4/IPv6 dual-stack supportCisco Russ...
• Policy-based routing (PBR), NAT/PAT overload, multi-NAT pools for logical LAN endpoint segmentation
• DHCP server/relay/client, DNS proxy, dynamic DNS, Ethernet OAM for metro-Ethernet link health monitoring
• Dial backup via AUX serial port for leased-line failover

Enterprise Security Suite

• Zone-Based Stateful Policy Firewall (ZBFW) for logical separation of internal LAN, DMZ and untrusted internet traffic
• Dynamic Multipoint VPN (DMVPN), Easy VPN Server & Client, IKEv2 IPsec encrypted tunnels for inter-branch corporate connectivity
• Signature-based Intrusion Prevention System (IPS), cloud URL filtering, application control for HTTP, FTP, IM and mainstream business trafficCisco
• AAA authentication via TACACS+ / RADIUS, 802.1X port authentication available on all 4 managed LAN switch ports
• Secure management only: SSHv2, HTTPS; plaintext Telnet disabled by factory default
• Granular access control lists (ACLs), MAC address port lockdown on Fast Ethernet switch ports

QoS & Bandwidth Optimization

• Weighted Fair Queuing (WFQ), Class-Based WFQ (CBWFQ), Low Latency Queuing (LLQ) for voice, video and real-time business traffic prioritization
• NBAR deep application recognition to classify and prioritize business-critical applications
• RTP/TCP header compression, traffic shaping and policing to control metered broadband bandwidth consumption and avoid overage charges

Remote Management & Automation

• Zero-Touch Provisioning (ZTP) for standardized mass retail branch deployments
• Cisco IOS Embedded Event Manager (EEM) scriptable triggers for link failure alerts and automated remediation actions
• SNMP v2c/v3, remote syslog logging, IP SLA end-to-end link performance monitoring
• Native compatibility with Cisco Configuration Professional (CCP) web GUI for simplified no-CLI deployment and daily monitoring
• GOLD onboard diagnostics for continuous remote hardware health inspection

5. Typical Deployment Scenarios

1. Small Retail Store Secure Broadband Gateway
   The integrated 4-port LAN switch connects POS payment terminals, office PCs and IP surveillance cameras; persistent IPsec DMVPN tunnels securely transmit transaction data back to retail corporate data centers, while the zone firewall + IPS jointly isolate sensitive payment systems from public internet threats.
2. Tiny Regional Satellite Office Enterprise Branch Router
   Cost-effective metal ISR for small remote offices with cable/fiber Ethernet broadband uplinks, supporting up to four local wired endpoints without purchasing external access switches; EIGRP/BGP support enables integration into enterprise corporate routing domains.
3. Teleworker Home Office Secure VPN Gateway
   Deployed at remote employee residences to establish encrypted Easy VPN tunnels back to corporate headquarters; built-in IPS and stateful firewall protect home office devices from internet malware and unauthorized access.
4. Low-Density Unmanned IoT Site Wired Edge Router
   Aggregates small-scale IP cameras and environmental monitoring sensors via FE LAN ports, maintaining persistent encrypted IPsec tunnels to central cloud or on-premises management platforms.
5. Secondary Backup Broadband Router for Medium Branch Sites
   Used as standby wired gateway to provide business continuity during primary network equipment outages, supporting fast failover for critical POS, voice and office communications.

6. Standard Package Contents of C881-K9 SKU

Separately Sold Optional Accessories

• RJ45 rollover console cable for local CLI configuration
• Spare replacement AC power adapter
• USB flash storage drives for log archiving and offline configuration backup
• CAT5e/CAT6 Ethernet patch cords for LAN/WAN connections

Software Licensing Information

• The-K9suffix includes a permanent built-in cryptographic license; no additional purchase required for IPsec, AES encryption and secure management protocols
• All core routing, DMVPN, firewall, IPS, QoS, ZTP and managed switch features are fully included in the base Advanced Security IOS image; no extra paid feature licenses required
• No wireless AP or cellular modem feature licenses applicable (corresponding hardware omitted from this wired-only SKU)

Short Commercial Catalog Summary for Quotation