United States$5,000,000+
Inventory Delivered By
J
James Lewis
5
Reliable ADSL performance with stable connectivity. Suitable for small offices needing consistent internet access.
CISCO857-K9
Original Stock
Ready to Ship
ADSL SOHO Security Router
FEATURED DEAL
Name:
CISCO857-K9
- Description:
- ADSL SOHO Security Router
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 999992573015
- 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
CISCO857-K9 Overview
CISCO857-K9 is a robust, fixed-architecture integrated services router designed for secure branch office connectivity. It features flexible power options with an AC power supply, multiple WAN and LAN interfaces—including a dedicated WAN port and four 10/100 Ethernet LAN ports—and integrated services such as VPN support and firewall protection for secure data and voice transmission.
Built with performance and redundancy in mind, the CISCO857-K9 offers high availability support and modular capabilities that allow for future expansion in diverse deployment environments. It delivers optimized throughput, supports advanced VPN features, and is ideally suited for enterprise and small business use cases where secure, reliable, and scalable connectivity is essential.
CISCO857-K9 price is is available on request. Get immediate quote.
Request bulk order quote for CISCO857-K9 for additional pricing. Browse the full Router Isr 800 series or explore all Cisco products.
CISCO857-K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec VPN / SSL VPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- WAN
- WAN Ports
- 1 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6 / PPP
- Remote Management
- Telnet / SSH / SNMP / HTTP
- Compliance Standards
- FCC / CE / RoHS
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / Firewall
- Use Case
- Enterprise
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 0.035 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- N/A
- Modular Slots Available
- N/A
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 256 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45
- Power
- N/A
- Device Type
- Router
- Product Name
- Cisco 857 Integrated Services Router
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO857-K9 Use Case
ADSL VPN Connectivity for Remote Branch Offices with CISCO857-K9
In a distributed enterprise, the CISCO857-K9-ADSL SOHO Security Router establishes a site-to-site IPSec VPN over ADSL lines, seamlessly linking remote branch offices to HQ. Benefit: Delivers encrypted, always-on connectivity with minimal latency and zero downtime, ensuring secure data exchange and business continuity.
Comprehensive SOHO Security for Home-Based Businesses with CISCO857-K9
A home-based professional leverages the integrated firewall, intrusion prevention and URL filtering on the CISCO857-K9 to protect customer data and block malicious traffic. Benefit: Provides enterprise-grade threat defense in a compact footprint, ensuring regulatory compliance and uninterrupted operations for small-scale e-commerce or consulting practices.
VoIP Quality of Service and Bandwidth Management on CISCO857-K9
A small office deploys VoIP telephony over its ADSL connection and configures class-based QoS on the CISCO857-K9 to prioritize voice packets. Benefit: Eliminates jitter and packet loss, delivers crystal-clear voice calls, and optimizes bandwidth allocation for concurrent data, video and voice services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CISCO857-K9 |  CISCO886G-K9 |  CISCO888W-GN-E-K9 |  CISCO887W-GN-A-K9 |  CISCO881G-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | DSL | N/A | DSL | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / RoHS | FCC / CE / RoHS | IEEE 802.3, IEEE 802.11, FCC, CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired / Wireless / Ethernet | Wired / Wireless | Wired |
| Depth | N/A | 7.5 inches | 18.5 inches | N/A | 7.4 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC |
| Ethernet Technology | 10/100 | 10/100 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | N/A | N/A | NIM / SFP+ | N/A | N/A |
| Features | VPN / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN, VoIP, IPv6 Compatible, Firewall | VPN / NAT / Firewall / QoS | VPN / VoIP / IPv6 Compatible / Firewall / NAT / QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Desktop | Rack-mount | Desktop | Desktop |
| Height | N/A | 1.73 inches | 1.7 inches | N/A | 1.2 inches |
| High Availability Support | Supported | Not Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice / Video / WAN Optimization | Voice / Data | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 / SFP | RJ-45 | RJ-45 |
| 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 | 512 MB | 256 MB | 512 MB |
| Modular Slots Available | N/A | N/A | 1 Slot | N/A | N/A |
| Network Protocols | IPv4 / IPv6 / PPP | IPv4, IPv6 | TCP/IP, UDP, ICMP, SNMP | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | N/A | 40 Watt | 65 Watt | 48 W | 48 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 857 Integrated Services Router | Cisco 886G Integrated Services Router | CISCO888W-GN-E-K9 | Cisco 887W-GN-A-K9 Integrated Services Router | CISCO881G-K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP / HTTP | CLI, Telnet, SSH | SSH, Telnet, SNMP | Telnet / SSH / SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | UL / CE |
| Speed/Capacity | N/A | N/A | Gigabit | Fast Ethernet | N/A |
| Stacking Capability | No | No | Yes | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | 0.025 Gbps | 1 Gbps | 75 Mbps | 0.05 Gbps |
| Use Case | Enterprise | Business | Enterprise / Small Business | Enterprise / Branch Office | Small Business |
| VPN Support | IPSec VPN / SSL VPN | IPSec | IPSec / SSL VPN | IPSec | IPSec / DMVPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 1 WAN | 1 WAN |
| Weight | N/A | 4 lbs | 11.88 lbs | N/A | 4.6 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 4 | 802.11b/g/n | N/A |
| Width | N/A | 8.88 inches | 17.2 inches | N/A | 8.7 inches |
| Wireless Support | No | No | Yes | Yes | No |
Reviews & Ratings
G
Grace Johnson
5
Cisco 857-K9 delivers steady ADSL routing and good security features for SOHO use.
M
Megan White
5
Easy to deploy and manage. Provides dependable ADSL connectivity for everyday business tasks.
D
David Harris
4
Stable performance with minimal downtime. A solid router for remote or small office setups.
Z
Zoe Mitchell
5
Consistent ADSL speeds and trusted Cisco reliability. Works well in our office environment.
Questions & Answers
What is the Cisco 857-K9 ADSL SOHO Security Router?
The Cisco 857-K9 is an ADSL-enabled SOHO security router that integrates a stateful firewall, VPN encryption, and traffic management to protect and optimize small office/home office networks.
What are the key features of the Cisco 857-K9 router?
Key features include ADSL2/2+ support, built-in firewall, IPsec and PPTP VPN, Quality of Service (QoS), four Ethernet LAN ports, and advanced traffic monitoring.
How do I set up the Cisco 857-K9 ADSL router?
Connect the ADSL line to the modem port, link LAN devices via Ethernet, power on the unit, then log in to the web GUI at 192.168.1.1 to run the setup wizard.
Which security protocols does the Cisco 857-K9 support?
The router supports stateful packet inspection, IPsec VPN, PPTP VPN, Network Address Translation (NAT), and access‐control lists (ACLs) for robust network protection.
How many LAN and WAN ports are available on the Cisco 857-K9?
The Cisco 857-K9 features one ADSL WAN port and four 10/100 Mbps Ethernet LAN ports for connecting computers, switches, or access points.
Does the Cisco 857-K9 support VPN connectivity?
Yes. It supports up to five concurrent IPsec VPN tunnels and one PPTP VPN session, enabling secure remote access for teleworkers.
What is the maximum throughput of the Cisco 857-K9 router?
The router delivers up to 25 Mbps ADSL download speeds and sustained firewall/VPN throughput of approximately 3 Mbps, suitable for SOHO applications.
Can I configure QoS on the Cisco 857-K9?
Yes. The Cisco 857-K9 offers granular QoS policies to prioritize voice, video, and data traffic, ensuring optimal performance for critical applications.
What are the hardware specifications of the Cisco 857-K9?
It features a 266 MHz MIPS CPU, 16 MB Flash, 32 MB DRAM, one ADSL2/2+ port, four Ethernet ports, and an integrated CompactFlash slot.
Does the Cisco 857-K9 support remote management?
Yes. You can manage the device via Cisco IOS CLI over SSH or Telnet, and through the web-based GUI with HTTPS access.
How do I upgrade the firmware on my Cisco 857-K9?
Download the latest IOS image from Cisco.com, upload it via the web GUI or TFTP session, then reload the router to complete the upgrade.
Can the Cisco 857-K9 handle multiple WAN connections?
No. The CISCO857-K9 has a single ADSL WAN interface and does not natively support dual-WAN failover or load balancing without additional modules.
What troubleshooting steps resolve common ADSL issues?
Verify physical connections, check ADSL sync status in the CLI, confirm correct PPPoE/PPPoA credentials, and review interface logs for error messages.
What are the default login credentials for the Cisco 857-K9?
By default, the username is 'cisco' with password 'cisco'. For security, change these credentials immediately after initial setup.
How do I reset the Cisco 857-K9 to factory defaults?
Press and hold the rear RESET button for 10 seconds until all LEDs blink. The router reboots with factory default configuration.
Is the Cisco 857-K9 compatible with ADSL2+ connections?
Yes. The Cisco 857-K9 fully supports ADSL2 and ADSL2+ standards for up to 24 Mbps downstream and 3.5 Mbps upstream speeds.
What warranty and support options are available for the Cisco 857-K9?
Cisco offers a one-year limited hardware warranty, software updates under a valid SMARTnet contract, and 24/7 technical assistance through Cisco TAC.