Cisco ISR4451-X

Key Features & Benefits

1. High Performance & Scalability

• Throughput: Delivers 1 Gbps base throughput, scalable up to 2 Gbps with a performance license, and over 4 Gbps with CEF boosting.

• Multi-Core Architecture: Separate data and control plane processors ensure optimal performance when running concurrent services (security, voice, SD-WAN).

• Memory: Default 4 GB DRAM (max 16 GB) and 8 GB Flash (max 32 GB) for large routing tables and advanced services.

2. Comprehensive Connectivity & Modularity

• Onboard Ports: 4 x 1 Gigabit Ethernet (GE) combo ports (RJ45/SFP), supporting both copper and fiber connections.

• Expansion Slots:

• 3 x NIM (Network Interface Module): Supports T1/E1, ADSL/VDSL, LTE, 1G/10G Ethernet, and other WAN/LAN modules.

• 2 x SM-X (Service Module): High-performance slots for advanced services like 10Gig Ethernet, UCS-E Server blades, and wide-area application optimization.

• 1 x ISC (Internal Services Card): Dedicated slot for PVDM4 DSP modules for voice and video services.

3. Enterprise-Grade Security

• Hardware-accelerated Encryption: Provides high-throughput IPsec/SSL VPN performance without taxing the main CPU.

• Integrated Security Suite: Includes Zone-Based Firewall, IPS, URL filtering, and TrustSec for end-to-end threat defense.

• Secure Connectivity: Supports DMVPN, FlexVPN, and Group Encrypted Transport VPN for scalable and secure WAN deployments.

4. Unified Communications & Collaboration

• Voice Gateway: Supports high-density VoIP, PSTN connectivity, SRST (Survivable Remote Site Telephony), and video conferencing with optional PVDM4 DSP modules.

• CUBE: Acts as a high-capacity Cisco Unified Border Element (CUBE) for SIP trunking and interworking between VoIP networks.

5. Reliability & Management

• High Availability: Features hot-swappable fans, optional redundant power supplies, and in-service software upgrades (ISSU).

• SD-WAN Ready: Fully compatible with Cisco DNA and SD-WAN for intelligent path control, application optimization, and hybrid WAN (MPLS + Internet + 5G/LTE) management.

Technical Specifications