Name: ISR4451-X-AXV Cisco 4451-X Router 4xGE/SFP 3xNIM Voice Security
Brand: Cisco
SKU: ISR4451-X-AXV/K9
Price: 1880.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Cisco 4451-X Integrated Services Router offers a multi-service platform combining routing, security, voice, and application experience. It includes four Gigabit Ethernet/SFP ports, three Network Interface Module slots, two Service Module slots, and a PVDM4-64 DSP module for voice processing, fitting enterprise branch office environments.

General Information
Brand	Cisco

Technical Information
WAN Ports	4
LAN Ports	4
POE Support	No
Connector Type	RJ-45,SFP
RAM	4 GB
Flash / Storage	4 GB
SFP / SFP+ Ports	4
Built-in Modem	None
Management Interface	Web GUI, CLI (SSH/Telnet), REST API, SNMP, Netconf/YANG, Cisco DNA Center

Routing & Protocols
Multi-WAN / Load Balancing	Yes
NAT Support	Yes
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, EIGRP, BGP, VRRP, HSRP, PIM-SM, IGMP, MLD, Policy-Based Routing (PBR), Route Maps

Networking Features
VPN Support	IPSec, L2TP, DMVPN, FlexVPN, GRE
SNMP Support	SNMPv3
QoS Support	Basic QoS, DSCP, MQC, Traffic Shaping, Traffic Policing
Firewall	Zone-Based
VLAN Support	Yes
Management Interfaces	Web GUI,CLI (SSH/Telnet),REST API,SNMP,Netconf/YANG,Cisco DNA Center

Physical Characteristics
Enclosure Type	Rack-Mountable 1U
Condition	Refurbished
Weight	3.00

Product Description
The Cisco 4451-X Integrated Services Router (ISR) combines routing, security, voice, and application experience functionalities into a single platform. It is typically deployed in enterprise branch offices to consolidate multiple network services and reduce hardware footprint. This model features four Gigabit Ethernet/SFP ports, three Network Interface Module (NIM) slots, and two Service Module (SM) slots, allowing flexible expansion and connectivity options. The inclusion of the PVDM4-64 digital signal processor module supports voice processing for integrated telephony services. The router is generally used by network administrators and IT professionals managing enterprise branch networking environments that require secure, voice-enabled, and application-aware routing capabilities. Key Features Integrated Application Experience, Voice, and Security Bundle for multi-service support 4x Gigabit Ethernet/SFP ports for versatile network connections 3x NIM slots and 2x SM slots for modular expansion and interface customization PVDM4-64 DSP module to enable voice and digital signal processing tasks Designed to support enterprise branch office networking demands This router's combination of routing, security, and voice processing capabilities helps centralize critical network services within a single device. It enables enterprises to deploy converged networks at branch locations with flexible modularity for evolving connectivity needs.

Use Cases
The Cisco 4451-X ISR is suitable for enterprise branch offices requiring integrated routing with voice and security functions. It supports environments where consolidating network services reduces equipment complexity and enables application-aware network management. How It's Used: Deploying secure and voice-enabled WAN connections in branch office networks Integrating multiple network services such as routing, voice, and security in a single device Supporting modular interface expansion via NIM and SM slots to meet varied connectivity needs Handling voice traffic with PVDM4-64 DSP module for digital signal processing Facilitating application experience optimization in enterprise environments This router plays a central role in branch networking by combining critical services like voice, security, and routing into one platform. It supports enterprises in managing diverse workloads and connectivity through modular hardware and integrated features.

FAQ's
What interfaces does the ISR4451-X-AXV/K9 provide? It provides 4 Gigabit Ethernet/SFP ports along with 3 Network Interface Module slots and 2 Service Module slots, allowing flexible network connectivity and expansion. What is the purpose of the PVDM4-64 module in this router? The PVDM4-64 is a digital signal processor module used to handle voice processing tasks, enabling integrated telephony services within the router. Can the ISR4451-X-AXV/K9 support voice and security features simultaneously? Yes, it comes bundled with Application Experience, Voice, and Security features to support multiple services concurrently within enterprise branch environments. How many modular slots are available for expansion? The router includes three Network Interface Module slots and two Service Module slots for interface and service expansion as needed. Who typically uses the Cisco 4451-X Integrated Services Router? Network administrators and IT professionals in enterprise branch offices use it to consolidate routing, voice, and security services into a single device. Is this router designed for enterprise or small office use? It is designed primarily for enterprise branch office deployments requiring integrated multi-service routing and connectivity options.