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CISCO2801-ADSL2/K9
2801 bundle, HWIC-1ADSL, SP Svcs, 128F/384D
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CISCO2801-ADSL2/K9 is a robust integrated services router designed to deliver powerful performance and secure connectivity for enterprise environments. This router features a fixed modular architecture that supports essential integrated services such as voice, data, and security, while offering versatile power options that include an AC power supply for reliable performance. Its WAN/LAN interfaces include a dedicated ADSL2 WAN port and dual 10/100 Ethernet LAN ports to support both broadband and local networking needs.
Engineered for demanding business use cases, the CISCO2801-ADSL2/K9 offers modular capabilities through its two EHWIC slots for additional expansion and features integrated VPN support with IPSec to securely handle remote connections. It reliably delivers performance with quality-of-service controls, built-in firewall functions, and redundancy options that make it well suited for enterprise branch offices requiring secure, multi-service connectivity and consistent throughput.
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A national retail chain deploys the Cisco2801-ADSL2/K9 bundle with HWIC-1ADSL and SP Svcs on every small-format store. The router terminates a managed ADSL2 line (128F/384D) and establishes VRF-based segmentation for PoS terminals, VoIP handsets, and CCTV streams. An IPSec tunnel to HQ over the SP-provisioned ADSL link ensures end-to-end encryption. Benefit: 99.9% WAN availability, 50% reduction in MPLS costs and PCI DSS-compliant segmentation without appliance sprawl.
A network of rural clinics uses the Cisco2801-ADSL2/K9 with HWIC-1ADSL and SP Svcs to connect remote exam rooms to a central hospital. The 128Kbps uplink/384Kbps downlink ADSL2 circuit carries VoIP, high-res medical imaging and EHR traffic over an IPSec VPN. QoS policies on the 2801 ensure voice and imaging get priority. Benefit: Real-time diagnostics, HIPAA-grade encryption, and 30% faster remote consultations without upgrading fiber infrastructure.
An SMB head office running critical ERP and VoIP services on MPLS adds the Cisco2801-ADSL2/K9 plus HWIC-1ADSL and SP-managed ADSL2 (128F/384D) as a secondary link. The 2801 automatically detects MPLS failures and routes traffic over ADSL2. Built-in QoS enforces Class-Based Weighted Fair Queuing, guaranteeing voice quality and prioritizing ERP transactions on the backup link. Benefit: Seamless failover, 24/7 uptime, and a 40% improvement in voice MOS scores at minimal additional CAPEX.
To get the detailed certification, please go to the Compliance Center.
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Modular | Modular | Fixed |
| Broadband | DSL | N/A | N/A | DSL | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / RoHS | IEEE 802.3, FCC, CE | FCC, CE | RoHS / FCC / CE | IEEE 802.3 / IEEE 802.1D |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 12.76 in | N/A | N/A | 15.2 inches | N/A |
| 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 / NIM | EHWIC | NIM |
| Features | VPN / Voice / Firewall / IPv6 Compatible | VPN, Voice, IPv6 Compatible, Firewall, Modular Expansion | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / IPv6 Compatible | VPN / Voice / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Rack-mount | Rack-mount / Desktop | Rack-mount / Desktop |
| Height | 1.73 in | N/A | N/A | 1.75 inches | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Data / Security | Voice, Video, WAN Optimization | Voice / Video | Voice / Video / WAN Optimization | Voice / Data |
| Interface Ports | RJ-45 | RJ-45, Console Port, AUX Port | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 2 LAN Ports | N/A | Modular LAN | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 3+ Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IP, Frame Relay, ATM | IPv4, IPv6 | IP / TCP / UDP / ICMP | IP / Frame Relay / PPP / HDLC |
| Power | 210 W | 150W | 125 W | 150W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO2801-ADSL2/K9 | Cisco 2801-AC-IP Integrated Services Router | Cisco 2851-AC-IP Integrated Services Router | CISCO2811-ADSL2/K9 | Cisco 2821 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | SSH, Telnet, SNMP | CLI, SNMP, SSH | Telnet / SSH | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | 10/100 | 100Mbps | N/A | N/A | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 25 Mbps | 75 Mbps | 0.075 | 0.075 Gbps | 0.075 Gbps |
| Use Case | Enterprise / Business | Business / Small Business / Enterprise Branch | Enterprise | Business / Enterprise | Enterprise |
| VPN Support | IPSec | IPSec | IPSec / DMVPN / N/A | IPSec | IPSec VPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 1 WAN | 2 WAN |
| Weight | 13.2 lbs | N/A | N/A | 14 lbs | 7.5 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.52 in | N/A | N/A | 17.3 inches | N/A |
| Wireless Support | No | No | No | No | No |
ADSL connectivity has been stable in remote locations. Easy to configure and dependable for daily use.
Good performance over ADSL links. Reliable router for smaller offices.
Handled ADSL traffic consistently. Setup was quick and documentation was helpful.
Cisco reliability on legacy ADSL connections. Meets expectations.
Stable performance for branch connectivity. No major issues encountered.
The Cisco 2801-ADSL2/K9 bundle combines a Cisco 2801 Integrated Services Router with a HWIC-1ADSL module and SP services, delivering secure, high-performance WAN connectivity over ADSL2.
The Cisco 2801 delivers up to 128 Kbps of forwarding and 384 Kbps of download throughput, supporting multiple simultaneous services with hardware-accelerated performance.
The HWIC-1ADSL module provides a single ADSL2/2+ interface with auto-sync rates up to 24 Mbps downstream and up to 1.4 Mbps upstream for cost-effective broadband access.
The bundle includes two 10/100 Ethernet ports, one serial interface, one USB port for storage or 3G/4G, and the HWIC-1ADSL slot for broadband access.