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CISCO881G-V-K9
881G FE Sec Router bundle with Adv IP Serv, 3G Verizon
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CISCO881G-V-K9 is a fixed-architecture branch router engineered for secure, high-performance network connectivity in distributed enterprise and small business environments. It features integrated services including voice and video, advanced VPN capabilities such as IPSec, and built-in firewall protection to ensure that data traversing its WAN and LAN interfaces is secure while delivering reliable throughput for mission-critical applications.
Designed with modular capabilities through an available EHWIC slot and redundant support for high availability, CISCO881G-V-K9 offers versatile power options via an internal AC power supply. Its combination of 10/100 WAN and LAN interfaces, robust routing protocols (including OSPF, BGP, EIGRP, RIP, and Static Routing), and comprehensive QoS features make it ideally suited for branch offices requiring resilient, scalable connectivity.
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| CISCO881G-V-K9 |  CISCO878W-G-E-K9 |  CISCO861W-GN-P-K9 |  C881-K9 |  CISCO887VW-GNA-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | DSL | N/A | N/A | N/A |
| Built-in Security Features | Firewall / IPSec | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired / Wireless / Ethernet | Wired / Wireless | Wired | Wired / Wireless / Ethernet |
| Depth | N/A | N/A | N/A | 7.50 inches | N/A |
| Device Type | Router | Gateway | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | EHWIC | EHWIC | N/A | EHWIC | NIM |
| Features | VPN / IPv6 Compatible / Firewall / VoIP | VPN / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall / Syslog | VPN, VoIP, IPv6 Compatible, Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | N/A | 1.75 inches | N/A |
| High Availability Support | Supported | Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice | Voice | Voice, Video |
| Interface Ports | RJ-45 / Console Port | RJ-45 / Combo Ports | RJ-45 | RJ-45 | RJ-45, Combo Ports |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Modular Slots Available | 1 Slot | 1 Slot | N/A | 1 Slot | 1 Slot |
| Network Protocols | IPv4 / IPv6 | TCP/IP, UDP, ICMP, SNMP | IPv4 / IPv6 / TCP / UDP | IPv4 / IPv6 | IPv4, IPv6, NAT, ACL |
| Power | 60 Watts | 20W | 35 Watt | 30 W | 54W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 881G Integrated Services Router | Cisco 878W-G-E-K9 Integrated Services Router | CISCO861W-GN-P-K9 | Cisco 881 Integrated Services Router | CISCO887VW-GNA-K9 |
| Product Type | Branch Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | SSH, Telnet, SNMP, HTTP/HTTPS | CLI / SNMP | SSH / Telnet / SNMP | CLI, SNMP, Web UI |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | N/A | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 75 Mbps | 0.1 Gbps | 0.08 Gbps | 0.05 Gbps | 150 Mbps |
| Use Case | Business / Small Business / Branch Office | Enterprise | Small Business / Enterprise | Small Business | Small Business |
| VPN Support | IPSec/DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / N/A | IPSec / SSL VPN / DMVPN |
| WAN Configuration | WAN | WAN | WAN | WAN | Dual WAN |
| WAN Ports | 1 WAN | 1 WAN | 1 WAN | 1 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | 5 lbs | N/A |
| Wi-Fi Standard | N/A | WiFi 3 | WiFi 4 (802.11n) | N/A | WiFi 4 |
| Width | N/A | N/A | N/A | 8.70 inches | N/A |
| Wireless Support | No | Yes | Yes | No | Yes |
The Cisco 881G-V-K9 with 3G Verizon support is a reliable router for remote offices. It offers great security and stable connections, perfect for enterprise-level needs.
A solid choice for remote offices. The Cisco 881G-V-K9 ensures reliable 3G connections and enhanced security for secure enterprise networking.
Great router for mobile 3G connections. The Cisco 881G-V-K9 offers high-speed performance and strong security for our remote network setups.
The Cisco 881G-V-K9 handles mobile 3G traffic efficiently and securely. It's a great option for businesses needing reliable and secure network solutions on the go.
Perfect for businesses needing mobile and remote connectivity. The Cisco 881G-V-K9 offers reliable 3G performance, secure routing, and easy management.
The Cisco 881G-V-K9 is an integrated fixed-configuration router featuring four Fast Ethernet ports, advanced security services, a 3G Verizon wireless WAN module, and a lifetime Advanced IP Services license for comprehensive branch office connectivity.
This bundle includes enterprise-grade features such as dynamic multipoint VPN (DMVPN), performance routing (PfR), multimedia streaming QoS, application visibility, and stateful inspection firewall for secure and optimized traffic handling.
The built-in 3G Verizon module provides automatic cellular failover in case of primary link downtime, ensuring continuous Internet access and business continuity for remote or branch offices.
It delivers integrated ASA firewall services, intrusion prevention (IPS), URL filtering, and advanced malware protection to safeguard network resources against evolving threats.
Yes, it supports up to 50 concurrent site-to-site VPN tunnels and 250 SSL VPN client sessions, enabling secure connectivity for branch offices and mobile users.
It is ideal for small to midsize branch offices, retail outlets, and remote sites requiring reliable wired and cellular WAN connectivity with enterprise-class security and routing features.
You can configure WAN failover through Cisco IOS command-line or SD-WAN templates by setting link-state tracking and performance thresholds to automatically switch between primary and 3G interfaces.
Management is supported via Cisco IOS CLI, Cisco Configuration Professional (CCP), SNMP, and Cisco Prime Infrastructure for centralized monitoring and policy enforcement.
The router includes a 266 MHz MIPS processor, 256 MB DRAM, 64 MB flash memory, four 10/100 LAN ports, one 3G cellular slot, USB console port, and Kensington lock slot.
No, the Cisco 881G-V-K9 does not include PoE on its Fast Ethernet LAN ports; external PoE injectors or switches are required for powering end devices.
It operates on 100–240 VAC at 50/60 Hz, consuming up to 17 W, and is rated for 0–40 °C operating temperature with humidity tolerance from 10% to 90% non-condensing.
Yes, it ships with two external magnetic-mount cellular antennas, a DC power cord, rack mount brackets, and a USB console cable for immediate installation.
Cisco provides a one-year limited hardware warranty and 90-day software support; extended SMARTnet services are available for 24/7 technical assistance and expedited hardware replacement.
Order using SKU CISCO881G-V-K9 through authorized Cisco resellers or the Cisco Commerce Workspace to ensure you receive the full router bundle with Advanced IP Services and Verizon 3G support.
The 3G module is factory-certified for Verizon; compatibility with other CDMA providers may require separate carrier certification or firmware adjustments.
With Advanced IP Services enabled, the router delivers up to 25 Mbps of routing throughput and 5–10 Mbps of aggregate VPN and firewall throughput, depending on traffic patterns and feature usage.