Name: ISR4451-X-V/K9 Cisco 4451-X Router Voice UC Bundle 4xGE/SFP 3xNIM
Brand: Cisco
SKU: ISR4451-X-V/K9
Price: 2920.00 USD
Availability: InStock
Rating: 4.8 (129 reviews)

Product Overview
The Cisco 4451-X Integrated Services Router (voice/UC bundle) offers a combination of routing and unified communications features. It includes multiple GE/SFP ports, modular interface slots, and a PVDM4-64 module for voice DSP resources. The included UC license and CUBE support session border control for voice sessions.

General Information
Brand	Cisco

Technical Information
WAN Type	Ethernet
WAN Ports	4
LAN Ports	4
POE Support	No
Connector Type	RJ45,SFP,Console,USB
RAM	4 GB
Flash / Storage	2 GB
SFP / SFP+ Ports	4
Built-in Modem	None
Management Interface	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, IS-IS, VRRP, HSRP, GLBP, PIM-SM, PIM-DM, IGMP, MLD, Policy-Based Routing (PBR), Route Maps

Networking Features
VPN Support	IPSec, DMVPN, FlexVPN, GRE
SNMP Support	SNMPv3
QoS Support	Basic QoS, DSCP, MQC, Traffic Shaping, Traffic Policing
Firewall	Zone-Based
VLAN Support	Yes
Management Interfaces	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) is designed to deliver routing, security, and unified communications capabilities in a single device. It is typically deployed in enterprise branch offices or medium-sized networks that require consolidated data and voice services. IT professionals managing network infrastructure and voice systems benefit from its multifunctional design. This particular model includes a voice and unified communications bundle, enhancing its ability to handle voice traffic and support collaboration applications. It supports multiple network interface modules for flexible connectivity and expansion. Key Features Four Gigabit Ethernet/SFP combo ports for versatile wired connectivity Three Network Interface Module (NIM) slots for additional interface options Two Service Module (SM) slots for advanced service integration PVDM4-64 module supporting voice DSP resources for voice processing Unified Communications License and Cisco Unified Border Element enable voice and session border control features This router provides integrated routing and voice processing capabilities suited for deployments requiring voice over IP and unified communications. Its modular design allows adaptation to evolving network and service needs without requiring separate devices.

Use Cases
This router is typically used in enterprise branch environments that need integrated data routing and voice services. It suits medium-sized networks requiring flexible connectivity and unified communications capabilities for collaboration and voice traffic management. How It's Used: Deploying converged voice and data networks in branch offices Providing session border control with Cisco Unified Border Element for SIP trunking Expanding network interface options using NIM and Service Module slots Supporting voice DSP processing with the PVDM4-64 module for IP telephony Enabling unified communications features through the included UC license The device serves as a multifunctional router and voice platform that simplifies infrastructure by consolidating networking and communication services. Its modularity allows adaptation as organizational requirements evolve.

FAQ's
What does the ISR4451-X-V/K9 model include? The ISR4451-X-V/K9 includes integrated routing with a voice and unified communications bundle, 4 Gigabit Ethernet/SFP ports, 3 NIM slots, 2 Service Module slots, a PVDM4-64 module, a UC license, and Cisco Unified Border Element supporting 25 sessions. What is the purpose of the PVDM4-64 module? The PVDM4-64 is a digital signal processor module that provides voice DSP resources for processing voice traffic, enabling IP telephony functions on the router. How many Network Interface Modules does this router support? The router supports up to three Network Interface Module (NIM) slots, allowing for flexible addition of various connectivity interfaces. What role does the Cisco Unified Border Element (CUBE-25) play? CUBE-25 provides session border control for voice sessions, managing SIP trunking and interconnections between voice networks with support for up to 25 concurrent sessions. What types of ports are available on this router? It includes four Gigabit Ethernet/SFP combo ports, providing options for copper or fiber connections depending on network requirements. Is the UC license included with this router? Yes, the router comes with a Unified Communications license enabling voice and collaboration features as part of the integrated services.