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CISCO877-M-K9
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ADSL Security Router with Annex M Support
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Name:
CISCO877-M-K9
- Description:
- ADSL Security Router with Annex M Support
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658128448
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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CISCO877-M-K9 Overview
CISCO877-M-K9 is a modular integrated services router engineered for branch offices and small businesses that demand reliable connectivity and versatile WAN/LAN interface options. Its architecture features a modular design with a built-in 10/100 Fast Ethernet switch for LAN connectivity and a dedicated WAN port—complemented by an optional NIM slot for tailored interface expansion, ensuring optimal performance and adaptability in diverse deployment scenarios.
CISCO877-M-K9 provides multiple power options via an AC power supply with redundancy support, integrated VPN features including IPSec, and robust firewall and QoS capabilities. It delivers integrated services such as voice and video, supports industry-standard routing protocols (RIP, OSPF, EIGRP, BGP, and static routing), and achieves a throughput capacity of up to 30 Mbps, making it ideal for secure branch connectivity and small business operations.
CISCO877-M-K9 price is is available on request. Get immediate quote.
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CISCO877-M-K9 Specifications
- Product Type
- Integrated Services Router
- Brand
- Cisco
- VPN Support
- IPSec
- Power Source
- AC Power Supply, Redundant
- Routing Protocols
- RIP / OSPF / EIGRP / BGP / Static Routing
- Broadband
- DSL
- Architecture
- Modular
- WAN Configuration
- Single WAN with Optional Modular Expansion
- WAN Ports
- 1 WAN Port
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100
- Connectivity Type
- Wired
- Network Protocols
- IPv4 / IPv6
- Remote Management
- Telnet / SSH
- Compliance Standards
- FCC / CE
- Wireless Support
- No
- Speed/Capacity
- Fast Ethernet
- Firewall Features
- Yes
- Features
- VPN / VoIP / IPv6 Compatible / Firewall / NAT
- Use Case
- Small Business / Branch Office
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice / Video / WAN Optimization
- High Availability Support
- Not Supported
- Throughput Capacity
- 30 Mbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- NIM
- Modular Slots Available
- 1 Slot
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 512 MB
- Flash Memory
- 128 MB
- Interface Ports
- RJ-45 / Modular Interface
- Power
- 65 Watt
- Device Type
- Router
- Product Name
- CISCO877-M-K9
CISCO877-M-K9 Use Case
High-Speed Rural Branch Connectivity with Cisco877-M-K9-ADSL Annex M
Scenario: A remote branch office lacking fiber must support VoIP, MDM and cloud-based ERP over a single ADSL line. Deploy the Cisco877-M-K9-ADSL Security Router with Annex M Support to unlock up to 3.3 Mbps upstream, hardware-accelerated VPN and integrated firewall. Benefit: Accelerated VoIP call clarity, reduced latency for SaaS applications, secure IPsec tunnels to HQ and centralized management—all on existing copper infrastructure.
Secure Teleworker VPN Deployment Using Cisco877-M-K9-ADSL Annex M
Scenario: Remote employees in underserved areas struggle with video conferencing and large file uploads over basic ADSL. Leverage the Cisco877-M-K9-ADSL Security Router with Annex M Support to boost upstream capacity and terminate DMVPN/IPsec tunnels directly at the branch. Benefit: Consistently high upload throughput for HD collaboration, AES-256 encryption for corporate data, simplified zero-touch provisioning and strict policy enforcement to meet IT security mandates.
PCI-DSS Compliant Retail POS Network with Cisco877-M-K9-ADSL Annex M
Scenario: Chain retail outlets rely on ADSL for point-of-sale transactions and inventory sync but must adhere to PCI-DSS standards. Install the Cisco877-M-K9-ADSL Security Router with Annex M Support to segment POS VLANs, enforce stateful packet inspection and accelerate upstream data flows to payment gateways. Benefit: Streamlined PCI-DSS certification, end-to-end encryption of payment traffic, minimized chargeback risk and real-time monitoring via Cisco IOS software.
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Product Comparison Table 
| CISCO877-M-K9 |  C888SRST-K9 |  CISCO881G-A-K9 |  CISCO888GW-GN-E-K9 |  CISCO876-SEC-I-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC, CE, UL | FCC / CE | FCC / CE / RoHS | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Gateway | Router |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / NAT | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall / QoS | VPN, Firewall, NAT, Integrated Security |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Desktop | Rack-mount | Desktop | Rack-mount | Desktop |
| High Availability Support | Not Supported | Supported | Not Supported | Supported | Not Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice | Voice / Video / WAN Optimization | Voice, Data |
| Interface Ports | RJ-45 / Modular Interface | RJ-45 / SFP | RJ-45 | RJ-45 / SFP | 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 | 256 MB | 512 MB | 256 MB |
| Network Protocols | IPv4 / IPv6 | IP, PPP, Frame Relay, MLPPP | IPv4 / IPv6 | IPv4 / IPv6 / MPLS | IPv4, IPv6, NAT, VPN |
| Power | 65 Watt | 45W | 65W | 65 Watt | 25W |
| Power Source | AC Power Supply, Redundant | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO877-M-K9 | Cisco C888SRST-K9 | Cisco 881G-A-K9 Integrated Services Router | CISCO888GW-GN-E-K9 | Cisco 876 Security Integrated Services Router |
| Product Type | Integrated Services Router | Enterprise Router | Integrated Services Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH | Telnet, SSH, SNMP | SSH / Telnet / SNMP | SSH / HTTPS / SNMP / Telnet | CLI, SNMP, Web UI |
| Routing Protocols | RIP / OSPF / EIGRP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF, EIGRP, RIP, Static Routing |
| Stacking Capability | No | No | No | No | No |
| Throughput Capacity | 30 Mbps | 0.15 Gbps | 0.1 Gbps | 1 Gbps | 0.01 Gbps |
| Use Case | Small Business / Branch Office | Business | Small Business / Branch Office | Enterprise | Small Business, Enterprise Branch Office |
| VPN Support | IPSec | IPSec / SSL VPN / DMVPN / N/A | IPSec | IPSec / SSL VPN | IPSec, SSL VPN |
| WAN Configuration | Single WAN with Optional Modular Expansion | Dual WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 1 WAN Port | 2 WAN | 2 WAN | 2 WAN | 1 WAN |
| Wireless Support | No | No | No | No | No |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Megan Harris
5
Cisco 877-M-K9 is a reliable ADSL router with Annex M support. It delivers stable performance and robust security, making it ideal for our business's internet needs.
E
Ethan Walker
5
Great ADSL performance with Annex M support. Cisco 877-M-K9 ensures secure and stable connectivity, providing a great solution for our remote office network.
B
Benjamin Scott
4
The Cisco 877-M-K9 router delivers reliable ADSL performance and solid security features. It's been a dependable addition to our business's network infrastructure.
O
Olivia King
4
Reliable, secure, and fast. The Cisco 877-M-K9 router handles our ADSL2/2+ connections with ease and ensures secure, high-performance internet access.
D
David Carter
5
Cisco 877-M-K9 is a dependable router that provides reliable ADSL connectivity with excellent security features. Ideal for businesses requiring secure, high-speed internet.
Questions & Answers
What is the Cisco 877M-K9 ADSL Security Router with Annex M Support?
The Cisco 877M-K9 is an integrated ADSL2/2+ security router with Annex M support, delivering enhanced upload speeds, robust firewall protection, VPN capabilities, and flexible management for small and medium-sized networks.
What is Annex M and how does it enhance upload speeds?
Annex M is an ADSL2+ standard that increases upstream bandwidth to up to 3.5 Mbps by reallocating downstream spectrum, improving performance for upload-intensive applications like VoIP and data backup.
What ADSL standards and speeds does the Cisco 877M-K9 support?
It supports ADSL, ADSL2, and ADSL2+ standards with downstream speeds up to 24 Mbps and upstream speeds up to 3.5 Mbps via Annex M.
Can the Cisco 877M-K9 work with standard Annex A and B connections?
Yes, the Cisco 877M-K9 is compatible with Annex A and Annex B ADSL services, ensuring interoperability with most global DSL networks.
What security features does the Cisco 877M-K9 offer?
Built-in security includes a Stateful Packet Inspection (SPI) firewall, IPsec VPN, secure administrative access (SSH, HTTPS), NAT, and automated threat detection to safeguard your network.
How many Ethernet ports does the Cisco 877M-K9 have?
The router features four 10/100 Fast Ethernet LAN ports for internal devices and one integrated ADSL WAN interface for ISP connectivity.
Does the Cisco 877M-K9 support Quality of Service (QoS)?
Yes, it offers advanced QoS with traffic shaping, classification, and priority queuing to ensure optimal performance for voice, video, and data traffic.
Can I configure VPN tunnels on the Cisco 877M-K9?
Yes, it supports up to five simultaneous IPsec VPN tunnels with DES, 3DES, and AES encryption, enabling secure site-to-site and remote-access connections.
What management interfaces are available on the Cisco 877M-K9?
Management options include the Cisco IOS CLI, web-based GUI (ASDM), SNMP, Telnet, SSH, and remote logging for comprehensive device control.
How do I upgrade the firmware on the Cisco 877M-K9?
Firmware upgrades are performed via the Cisco IOS command-line interface or web GUI, using TFTP or FTP services to load the latest software images.
What is the maximum routing throughput of the Cisco 877M-K9?
The router delivers up to 85 Mbps of routing throughput, optimized for small branch offices and high-demand network environments.
Does the Cisco 877M-K9 support IPv6?
Yes, it supports IPv4 and IPv6 dual-stack operation, including IPv6 routing protocols like RIPng and static IPv6 routes for future-proof connectivity.
Is the Cisco 877M-K9 suitable for rack mounting?
The Cisco 877M-K9 is designed for desktop deployment; rack-mounting kits are available separately from Cisco to accommodate standard 19-inch racks.
What are the system requirements for the Cisco 877M-K9?
Requirements include an active ADSL2/2+ line, RJ-11 telephone cable, Ethernet cables for LAN connections, and a power outlet (12 V DC, 1.7 A).
What warranty and technical support options are available?
Cisco offers a one-year limited hardware warranty plus optional SMARTnet support for 24/7 access to software updates, hardware replacement, and technical assistance.