The Cisco CISCO2911/K9 2911 Integrated Services Router is a modular enterprise networking solution designed for branch offices and small-to-medium business environments. Part of the Cisco 2900 Series Integrated Services Routers (ISR G2), it combines routing, security, voice, and network service capabilities in a single platform. With three onboard Gigabit Ethernet interfaces, the router provides flexible connectivity for branch LANs and WAN infrastructure.
The Cisco 2911/K9 features four Enhanced High-Speed WAN Interface Card (EHWIC) slots, two Digital Signal Processor (DSP) slots, and one Internal Services Module (ISM) slot for supported expansion options. Its standard configuration includes 512 MB of DRAM and 256 MB of CompactFlash storage, with DRAM expandable up to 2 GB. These modular capabilities allow organizations to adapt network connectivity and deploy supported voice or unified communications services according to their requirements.
The Cisco CISCO2911/K9 Integrated Services Router is suitable for enterprise branch routing, SMB networking, WAN connectivity, and legacy Cisco infrastructure maintenance. Advanced security, voice, and application features may require additional modules, software licenses, or compatible configurations. Before purchasing, verify the router’s hardware condition, installed memory, power supply, software version, and included accessories.
Product Specifications - Cisco CISCO2911/K9 2911 Integrated Services Router
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Specification
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Details
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Router Series
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Cisco 2900 Series Integrated Services Routers (ISR G2)
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Onboard Gigabit Ethernet
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3 × Gigabit Ethernet
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EHWIC Slots
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4 × Enhanced High-Speed WAN Interface Card slots
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DSP Slots
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2 × Digital Signal Processor slots
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ISM Slot
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1 × Internal Services Module slot
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Default DRAM
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512 MB
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Maximum DRAM
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Up to 2 GB
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Default CompactFlash
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256 MB
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Base Software Package
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IP Base
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Expansion Options
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Supported EHWIC, DSP, and ISM modules, subject to compatibility
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Voice and Unified Communications
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Supported with appropriate modules, software, and licenses
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Security Services
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Available depending on software feature set and licensing
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Power Supply
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AC or other supported configurations depending on the ordered model
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Product Lifecycle
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Legacy platform; verify availability and support status
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Features: Class-Based Weighted Fair Queuing (CBWFQ) , Firewall protection , IPv6 support , MPLS support , NetFlow , Syslog support , VPN support , Web Services Management Agent (WSMA) , Weighted Random Early Detection (WRED)
Routing Protocol: BGP , Bidirectional Forwarding Detection (BFD) , DVMRP , EIGRP , GRE , IGMPv3 , IPv4-to-IPv6 Multicast , IS-IS , MPLS , OSPF , PIM-SM , PIM-SSM , Policy-based routing (PBR) , Static IP routing , Static IPv4 routing , Static IPv6 routing
Compliant Standards: AS/NZS 3548 Class A , AS/NZS 60950-1 , BSMI CNS 13438 , CAN/CSA C22.2 No. 60950-1 , CISPR 22 Class A , CISPR 24 , CS-03 , EN 60950-1 , EN 61000 , EN300-386 , EN50082-1 , EN55022 Class A , EN55024 , FCC CFR47 Part 15 , ICES-003 Class A , IEC 60950-1 , R&TTE , TIA/EIA/IS-968 , UL 60950-1 , VCCI V-3
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FAQs
Q1. What is the Cisco CISCO2911/K9?
The Cisco CISCO2911/K9 is a Cisco 2911 Integrated Services Router featuring three Gigabit Ethernet interfaces, four EHWIC slots, two DSP slots, 512MB DRAM, and 256MB CompactFlash.
Q2. Who should buy the Cisco CISCO2911/K9?
The Cisco CISCO2911/K9 is suitable for enterprises, small and medium businesses, branch offices, and organizations requiring a modular router with networking and unified communications capabilities.
Q3. Is a refurbished Cisco CISCO2911/K9 worth buying?
Yes. A professionally refurbished Cisco CISCO2911/K9 can provide reliable routing, modular expansion, and enterprise networking capabilities while offering a practical lower-cost option for maintaining compatible Cisco infrastructure.
Q4. How many Gigabit Ethernet ports does the Cisco CISCO2911/K9 have?
The Cisco CISCO2911/K9 provides three Gigabit Ethernet interfaces, supporting high-speed LAN and WAN connectivity for compatible network deployments.
Q5. Does the Cisco CISCO2911/K9 support expansion modules?
Yes. The Cisco CISCO2911/K9 includes four EHWIC slots and two DSP slots, allowing organizations to expand connectivity and support additional voice or network services as required.
