CISCO2901‑V/K9 Compact Integrated Services Router for Voice and Data
Product Overview
The Cisco CISCO2901‑V/K9 is a compact Integrated Services Router (ISR) from the 2900 Series, bundled with voice capabilities. It includes PVDM3‑16 digital signal processor resources and a Unified Communications license, making it ideal for small to medium branch offices requiring combined data, voice, and security services in a rack‑mountable 1 U form factor.
Product Details and Features
Item | Description |
---|---|
Model | CISCO2901‑V/K9 |
Platform | Cisco ISR 2901 (Generation 2) with Voice Bundle |
Integrated Ethernet Ports | 2 × Gigabit Ethernet RJ45 ports |
Expansion Slots | 4 × Enhanced HWIC (EHWIC) WAN interface card slots |
DSP Slots | 2 × onboard DSP (PVDM3‑16) for voice/video processing |
Internal Service Module | 1 slot for UC services and application hosting |
DRAM | 512 MB installed, upgradable to 2 GB |
Flash Memory | 256 MB installed, upgradable to 8 GB |
Dimensions | Approximately 43.9 × 43.8 × 4.5 cm (17.3 × 17.2 × 1.75 in) |
Weight | Approximately 6.1 kg (13.5 lb) |
Routing Protocol Support | Static IPv4/IPv6, OSPF, IS‑IS, EIGRP, BGP, PIM, GRE, DVMRP, IGMPv3, PIM‑SSM |
Security and VPN | Firewall, IPsec, TLS, QoS, VPN support via universal IOS image |
Voice and UC Features | PVDM3‑16, UC License PAK, support for Cisco CUBE, CME or SRST |
Management Options | CLI, SNMP, RMON, Syslog, USB, console and auxiliary ports |
Integrated Applications | Voice, video, security, mobility, and data services |
Rack Units | 1 U rack‑mountable |
Ideal For | Branch offices needing converged voice, security, and WAN connectivity |
Product Highlights
Includes voice-capable DSP module (PVDM3‑16) and Unified Communications license for branch voice services
Offers 2 Gigabit ports and modular WAN interface flexibility with EHWIC slots
Supports advanced routing, security, and QoS features in a single platform
Modular and scalable design with slots for WAN cards, ISM modules, and DSPs
Suitable for environments demanding integrated voice, data, and VPN in a compact rack footprint
Supports future growth via WAN interface modules and memory upgrades
Similar Models Comparison
Model | Voice Support | Ethernet Ports | WAN Slots | DSP Module | Routing Features |
---|---|---|---|---|---|
CISCO2901‑V/K9 | Yes (PVDM3‑16 + UC) | 2 × Gigabit | 4 × EHWIC, 1 × ISM | Included | Full routing + UC workloads |
CISCO2901/K9 | No | 2 × Gigabit | 4 × EHWIC, 1 × ISM | Optional | IP Base routing only |
CISCO2901‑SEC/K9 | Security bundle | 2 × Gigabit | Same | Optional | Adds security licensing |
Latest Replacement Options
Cisco has declared the 2900 Series routers End-of-Sale in December 2017 with End-of‑Support completed by December 2022. Recommended migration path includes Cisco ISR 4000 Series models such as ISR 4321, which provide equivalent or enhanced features, higher performance, and longer lifecycle support.
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