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CISCO877W-G-A-M-K9
ADSL Sec Router with wireless 802.11g and AnnexM
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CISCO877W-G-A-M-K9 is a fixed integrated services router engineered for small business and branch office environments, combining robust security with comprehensive routing and wireless connectivity in a compact desktop form factor. Its architecture integrates essential functions including WAN and LAN interfaces with 1 ADSL WAN port and 4 Fast Ethernet LAN ports, along with built-in support for wireless connectivity via the 802.11g standard.
Designed for reliable performance, the CISCO877W-G-A-M-K9 offers diverse power options via an AC power supply, supports IPSec VPN for secure remote access, and incorporates integrated services such as voice and data handling. Engineered for cost-effective deployment, it delivers up to 100 Mbps throughput with firewall and QoS features, making it ideal for small businesses seeking a versatile router for secure, high-performance connectivity.
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Scenario: A mid-sized enterprise branch office deploys the Cisco877W-G-A-M-K9-ADSL Sec Router to establish an AnnexM-enabled ADSL2+ uplink with up to 3.3 Mbps upload and an IPsec VPN tunnel to headquarters, while wireless 802.11g delivers reliable employee Wi-Fi. Benefit: Provides end-to-end encryption, integrated SPI firewall and four-port Ethernet switch for high-availability, cost-effective WAN extension and seamless branch operations.
Scenario: A boutique retailer implements the Cisco877W-G-A-M-K9-ADSL router to segregate point-of-sale terminals on a secure VLAN over AnnexM-accelerated ADSL and offer isolated 802.11g guest Wi-Fi to shoppers. Benefit: Achieves PCI DSS compliance with robust firewall policies, maximizes upstream performance for real-time transactions, and enhances customer experience through dedicated guest Internet access.
Scenario: A remote employee uses the Cisco877W-G-A-M-K9-ADSL Sec Router at home to connect via AnnexM-boosted ADSL2+ uplink into a secure IPsec VPN, while leveraging built-in wireless 802.11g for multiple devices and integrated QoS for VoIP and video conferencing. Benefit: Delivers accelerated upload speeds, enterprise-grade encryption, and consistent Wi-Fi coverage—ensuring productivity and secure access to corporate resources.
To get the detailed certification, please go to the Compliance Center.
| CISCO877W-G-A-M-K9 |  CISCO887VW-GNA-K9 |  CISCO877W-G-A-K9 |  CISCO887MW-GN-E-K9 |  C881SRSTW-GN-E-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | N/A | N/A | LTE | 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, UL | FCC, CE, RoHS | FCC, CE, RoHS | FCC / CE | FCC, CE |
| Connectivity Type | Wired / Wireless | Wired / Wireless / Ethernet | Wired | Wired | Wired / Wireless |
| Depth | N/A | N/A | 6.22 inches | N/A | N/A |
| Device Type | Router / Gateway | Router | Router | Router | Router |
| EMC | FCC, CE | N/A | N/A | N/A | FCC |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100 | 10/100 | 10/100 Ethernet |
| Expansion Slots | N/A | NIM | N/A | N/A | EHWIC |
| Features | VPN, NAT, Firewall, QoS | VPN, VoIP, IPv6 Compatible, Firewall | VPN / Firewall / NAT / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, NAT, QoS, Routing, Switching |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Rack-mount / Desktop |
| Height | N/A | N/A | 1.17 inches | N/A | N/A |
| High Availability Support | Not Supported | Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice, Data | Voice, Video | N/A | Voice / Video | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / ADSL | RJ-45, Combo Ports | RJ-45 | RJ-45 | RJ-45, SFP |
| 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 | 256 MB | 256 MB | 512 MB | 256 MB |
| Modular Slots Available | N/A | 1 Slot | N/A | N/A | 2 Slots |
| Network Protocols | TCP/IP, PPP, PPPoE, NAT | IPv4, IPv6, NAT, ACL | IPv4 / IPv6 / PPP | IPv4 / IPv6 | IP, TCP, UDP, ICMP |
| Power | 19 Watts | 54W | 27 Watt | 65 W | 45 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 877W-G-A-M-K9 Integrated Services Router | CISCO887VW-GNA-K9 | CISCO877W-G-A-K9 | Cisco CISCO887MW-GN-E-K9 | Cisco C881SRSTW-GN-E-K9 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / WebUI / Telnet / SSH | CLI, SNMP, Web UI | Telnet / SSH / SNMP | CLI / SNMP / HTTP | SSH, Telnet, SNMP |
| Routing Protocols | RIP / OSPF / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | FCC, CE, UL | N/A | N/A | N/A | RoHS |
| Speed/Capacity | 100 Mbps | Gigabit | N/A | N/A | 100 Mbps |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | ITU-T |
| Throughput Capacity | 100 Mbps | 150 Mbps | 0.025 Gbps | 0.15 Gbps | 100 Mbps |
| Use Case | Small Business / Enterprise Branch | Small Business | Small Business | Enterprise | Small Business / Enterprise Branch |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN | IPSec | IPSec VPN | IPSec / SSL |
| WAN Configuration | WAN | Dual WAN | WAN | WAN | WAN |
| WAN Ports | 1 WAN (ADSL) | 2 WAN | 1 WAN | 1 WAN | 1 WAN |
| Weight | N/A | N/A | 4.6 lbs | N/A | N/A |
| Wi-Fi Standard | 802.11g | WiFi 4 | WiFi 3 | N/A | 802.11b/g/n |
| Width | N/A | N/A | 8.03 inches | N/A | N/A |
| Wireless Support | Yes | Yes | Yes | Yes | Yes |
The Cisco 877W-G-A-M-K9 offers secure wireless connectivity and stable ADSL performance. It's a reliable router for our business's remote offices needing wireless and secure data transfer.
Ideal for our small business. The Cisco 877W-G-A-M-K9 provides secure ADSL and wireless connections with great performance, handling our growing business demands effectively.
Reliable wireless router with ADSL security features. Cisco 877W-G-A-M-K9 keeps our remote offices secure, providing fast and stable internet connections with easy setup.
Cisco 877W-G-A-M-K9 offers solid wireless connectivity with secure ADSL features. It's a great solution for branch offices requiring both security and reliable performance.
Perfect for small to medium-sized businesses. The Cisco 877W-G-A-M-K9 provides secure ADSL and reliable wireless performance with easy setup and management.
The Cisco 877W-G-A-M-K9 is a compact integrated ADSL Annex M security router that features a built-in 802.11g wireless access point, four Fast Ethernet LAN ports, advanced firewall, and VPN capabilities.
With Annex M enabled, the Cisco 877W supports ADSL2+ downstream speeds up to 24 Mbps and upstream speeds up to 3.3 Mbps, delivering improved performance for bandwidth-intensive applications.
The Cisco 877W supports IEEE 802.11g, providing up to 54 Mbps of wireless throughput, backward compatibility with 802.11b devices, and WPA2/WPA security.
Yes, it includes a stateful packet inspection (SPI) firewall, Network Address Translation (NAT), Denial of Service (DoS) protection, IPsec VPN, and SSL VPN to secure both LAN and WAN traffic.
It offers one RJ-11 ADSL WAN port, four 10/100 Fast Ethernet LAN ports, and one RJ-45 console port for local management.
Yes, it supports IPsec, PPTP, and L2TP VPN protocols, allowing multiple site-to-site and remote-access VPN sessions for secure communications.
The Cisco 877W offers built-in QoS with traffic shaping, policing, DiffServ (DSCP), and priority queuing to optimize VoIP, video, and critical data streams.
Annex M can be enabled via the Cisco IOS command-line interface by configuring the dsl operating-mode adsl2m on the DSL interface and saving the configuration.
The router operates on an external 12 V DC power adapter (max 15 W) and supports standard input voltages of 100–240 V AC with the included power brick.
The Cisco 877W ships with Cisco IOS 12.4(15)T, supporting ADSL2+, wireless, security, and VPN features; additional feature sets can be licensed and loaded as needed.
It supports Cisco IOS CLI via console, SSH, Telnet, Cisco Configuration Professional (CCP), SNMP, and a web-based HTTP/HTTPS GUI for simplified management.
Yes, its compact design, integrated ADSL modem, wireless access point, and advanced security features make it ideal for SOHO deployments.
It supports WEP, WPA, WPA2, and 802.1X EAP-based authentication to protect wireless networks from unauthorized access.
Yes, it supports dual-stack IPv4/IPv6, IPv6 tunneling, and IPv6 ACLs to prepare networks for next-generation Internet addressing.
Press and hold the Reset button on the back for 10 seconds until the SYS LED blinks, then release; the router returns to its default factory settings.