United States$5,000,000+
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E
Ethan Roberts
5
Good ADSL router with built-in wireless. Reliable performance for small offices needing combined connectivity.
CISCO857W-G-E-K9
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ADSL SOHO Security Router with 802.11g
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Name:
CISCO857W-G-E-K9
- Description:
- ADSL SOHO Security Router with 802.11g
- Rating:
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- Brand:
- Cisco
- GTIN:
- 746320958149
- Condition:
3 Year Extended Warranty
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CISCO857W-G-E-K9 Overview
CISCO857W-G-E-K9 is a fixed architecture integrated services router engineered for small business branch deployments. It offers a robust AC power supply system, dedicated WAN and LAN interfaces with 1 WAN port and 4 LAN ports using 10/100 Ethernet technology, and integrated wireless support under the WiFi 4 standard for combined wired and wireless connectivity.
CISCO857W-G-E-K9 delivers integrated services such as voice and secure VPN functionality (IPSec and SSL VPN) along with built‐in firewall and intrusion prevention, achieving a throughput capacity of 60 Mbps. It provides standard remote management via HTTP, HTTPS, SNMP, and SSH, and is designed without modular expansion or high availability redundancy to suit focused use cases in small business environments.
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CISCO857W-G-E-K9 Specifications
- Power Source
- AC Power Supply
- Flash Memory
- 256 MB
- Memory
- 512 MB
- Ethernet Technology
- 10/100
- Form Factor
- Desktop
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Architecture
- Fixed
- Firewall Features
- Yes
- Management
- Managed
- High Availability Support
- Not Supported
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- WAN Configuration
- WAN
- VPN Support
- IPSec / SSL VPN
- Broadband
- N/A
- Speed/Capacity
- N/A
- LAN Ports
- 4 LAN Ports
- Compliance Standards
- FCC, CE, RoHS
- Features
- VPN / VoIP / IPv6 Compatible / Firewall
- Use Case
- Small Business
- Integrated Services
- Voice
- Built-in Security Features
- Firewall / Intrusion Prevention
- WAN Ports
- 1 WAN
- Wi-Fi Standard
- WiFi 4
- Wireless Support
- Yes
- Product Type
- Integrated Services Router
- Connectivity Type
- Wired / Wireless
- Modular Slots Available
- N/A
- Safety
- UL, CE
- Expansion Slots
- N/A
- Network Protocols
- IPv4, IPv6, TCP/IP, UDP, ICMP
- Remote Management
- HTTP, HTTPS, SNMP, SSH
- Throughput Capacity
- 60 Mbps
- Power
- 50 Watt
- Product Name
- CISCO857W-G-E-K9
CISCO857W-G-E-K9 Use Case
Secure Remote Branch Connectivity over ADSL with Cisco 857W-G-E-K9
Scenario: A finance firm operates a satellite office in a location with only ADSL broadband. By deploying the Cisco 857W-G-E-K9 ADSL SOHO Security Router with 802.11g, the branch establishes an encrypted Site-to-Site VPN to the corporate data center while prioritizing VoIP traffic through built-in QoS policies. Benefit/Outcome: The solution delivers enterprise-grade firewall protection, secure data exchange, and crystal-clear voice calls over ADSL, reducing latency by 30% and ensuring regulatory compliance.
Segmented Guest Wi-Fi and Secure LAN for Small Professional Services
Scenario: A legal consultancy needs to offer client Wi-Fi without exposing internal case management servers. The Cisco 857W-G-E-K9 router’s integrated wireless 802.11g access point and VLAN segmentation isolates guest traffic from the corporate LAN. Benefit/Outcome: Guests enjoy seamless Internet access while sensitive client data remains protected behind Cisco’s stateful inspection firewall, cutting security incidents by 80% and boosting client confidence.
Retail POS Network Security and Inventory Scanner Connectivity
Scenario: A boutique retailer requires reliable wireless links for barcode scanners and secure payment processing at multiple checkout points. The Cisco 857W-G-E-K9 with 802.11g delivers stable wireless coverage and IPSec VPN tunnels to the central ERP system. Benefit/Outcome: Retailers achieve PCI-compliant transactions with end-to-end encryption, minimize checkout delays by 25%, and gain real-time inventory updates to optimize stock levels.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CISCO857W-G-E-K9 |  CISCO891W-AGN-A-K9 |  CISCO877-K9 |  CISCO887G-K9 |  CISCO887VG-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | N/A | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC, CE, RoHS | IEEE 802.3 / IEEE 802.11 | FCC, CE | FCC, CE | FCC, CE |
| Connectivity Type | Wired / Wireless | Wired / Wireless / Ethernet | Wired | Wired | Wired |
| Depth | N/A | N/A | N/A | 9.8 inches | 6.5 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC, CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Expansion Slots | N/A | EHWIC | N/A | EHWIC | NIM |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall / NAT | VPN, Firewall, Routing, Switching, NAT | VPN, Firewall, IPv6 Compatible, Integrated Services, QoS | VPN / Voice / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 32 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | N/A | 1.7 inches | 1.7 inches |
| High Availability Support | Not Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video | Voice, VPN, Firewall | Voice, Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | 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 | 512 MB | 512 MB | 128 MB | 512 MB | 256 MB |
| Modular Slots Available | N/A | 1 Slot | N/A | N/A | 1 Slot |
| Network Protocols | IPv4, IPv6, TCP/IP, UDP, ICMP | IPv4 / IPv6 / TCP/IP / UDP / SNMP | IP, ICMP, TCP, UDP | IPv4, IPv6, TCP/IP, UDP | IPv4, IPv6 |
| Power | 50 Watt | 27W | 65 Watt | 36 W | 60 Watt |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | CISCO857W-G-E-K9 | CISCO891W-AGN-A-K9 | Cisco 877-K9 | CISCO887G-K9 Integrated Services Router | CISCO887VG-K9 Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTP, HTTPS, SNMP, SSH | CLI / SNMP / HTTP | CLI, SNMP | CLI, SNMP, Web-based Management | CLI, SNMP, Cisco SDM |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | Static Routing / RIP / OSPF / EIGRP | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / RIP / EIGRP / BGP / Static Routing |
| Safety | UL, CE | N/A | N/A | N/A | UL, CE |
| Speed/Capacity | N/A | N/A | Fast Ethernet | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 60 Mbps | 0.025 Gbps | Up to 25 Mbps | 0.1 Gbps | 0.025 Gbps |
| Use Case | Small Business | Business / Small Business / Enterprise | Small Business / Branch Office | Small Business, Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec | IPSec | IPSec / SSL VPN | IPSec VPN |
| WAN Configuration | WAN | Dual WAN | WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 1 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | 4.3 lbs | 11 lbs |
| Wi-Fi Standard | WiFi 4 | WiFi 3 | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | 8.6 inches | 7.3 inches |
| Wireless Support | Yes | Yes | No | No | No |
Reviews & Ratings
I
Isabella Brown
5
Cisco 857W offers stable ADSL and wireless coverage. Easy to manage and dependable.
B
Benjamin Scott
4
Wireless and routing performance meet our daily needs. A practical SOHO networking solution.
O
Olivia Carter
4
Consistent uptime and smooth wireless connectivity. Ideal for compact office environments.
L
Lucas Harris
5
Trusted Cisco build quality. Handles ADSL traffic and wireless users reliably.
Questions & Answers
What is the Cisco 857W-G-E-K9 ADSL SOHO Security Router with 802.11g?
The Cisco 857W-G-E-K9 is an ADSL2+ SOHO security router featuring a built-in four-port 10/100 switch, 802.11g wireless access point, advanced firewall, NAT and VPN capabilities in a single compact device.
What key features does the Cisco 857W-G-E-K9 offer?
This router delivers ADSL2+ broadband, WPA2 wireless security, IPSec/PPTP VPN, Stateful Packet Inspection firewall, four 10/100 LAN ports, QoS, and SNMP management for reliable SOHO connectivity.
How do I set up the Cisco 857W-G-E-K9 ADSL router?
Connect your ADSL line to the ADSL port, attach LAN cables to Ethernet ports, power on, then complete the web-based Quick Setup wizard at http://192.168.1.1 using default credentials admin/admin.
How can I configure the 802.11g wireless settings?
Log in to the web UI, navigate to Wireless > Basic Settings, enable SSID broadcast, set the channel and mode to 802.11g, then apply WPA2-AES encryption under Wireless > Security.
Which security protocols are supported?
The Cisco 857W-G-E-K9 supports WPA2-AES, WPA-TKIP, WEP, Stateful Packet Inspection firewall, DoS mitigation, DHCP guard, and dynamic ACLs for comprehensive network protection.
How many Ethernet ports does the Cisco 857W router have?
It features one ADSL2+ WAN port and four 10/100 Fast Ethernet LAN ports for wired device connectivity and network segmentation.
Does the Cisco 857W-G-E-K9 support VPN connections?
Yes, it supports up to 10 concurrent IPsec VPN tunnels and PPTP client/server for secure remote access and site-to-site connectivity.
How do I upgrade the firmware on this router?
Download the latest Cisco IOS image from cisco.com, log in to the web UI, go to Administration > Firmware Upgrade, upload the file, and reboot to complete the update.
What is the maximum data throughput for ADSL2+?
The Cisco 857W-G-E-K9 supports downstream speeds up to 24 Mbps and upstream speeds up to 1 Mbps, meeting ADSL2+ performance standards.
Is the Cisco 857W-G-E-K9 compatible with my ISP?
It is compatible with any service provider offering ADSL, ADSL2 or ADSL2+ internet by supporting RFC-compliant PPPoE, PPPoA, and Bridged Ethernet modes.
How do I perform a factory reset?
Press and hold the Reset button on the rear panel for 10 seconds until LEDs blink, which restores default settings and reboots the router.
What management interfaces are available?
Administrators can use the web-based GUI, Cisco IOS CLI via SSH/Telnet, SNMP v2c for monitoring, and TR-069 for remote provisioning.
How can I secure my Cisco 857W router?
Use strong WPA2 passwords, disable WPS, apply the latest firmware, restrict management access to specific IPs, and enable the built-in firewall and ACLs.
What do the LED indicators on the router mean?
Power indicates device status, ADSL shows line sync, Internet signals WAN connectivity, LAN ports light for active Ethernet links, and WLAN denotes wireless status.
What is included in the product package and warranty?
The box includes the Cisco 857W-G-E-K9 router, power adapter, RJ-11 ADSL cable, quick start guide, and a one-year limited hardware warranty.