High-Performance SD-WAN for Medium & Large Branch
The Cisco Catalyst 8300 Series is a high-performance 5G-ready SD-WAN edge platform for medium and large enterprise branches. A 12-core CPU with hardware acceleration delivers 9.3 Gbps IPsec VPN, 10G IP throughput, and 2G SD-WAN throughput — with modular NIM, SM, and PIM expansion slots for diverse WAN connectivity requirements.
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The Catalyst 8300's dedicated hardware crypto engine delivers 9.3 Gbps IPsec throughput at line rate — providing the WAN capacity needed for large enterprise branches running video conferencing, cloud applications, and encrypted inter-site traffic at scale. Hardware acceleration maintains throughput under full encryption load, unlike CPU-only designs that degrade under encryption pressure.
The 8300's modular design supports 5G NIM (Network Interface Module) insertion for 5G cellular WAN connectivity — positioning the platform for next-generation branch WAN as 5G private networks and enterprise 5G WAN become mainstream. Existing installations can add 5G capability by inserting a compatible NIM without replacing the platform.
Two NIM slots accommodate additional WAN interfaces (cellular, DSL, T1/E1, additional Ethernet), two SM slots enable enhanced service modules for advanced security or routing functions, and PIM slots provide investment protection for existing interface cards. The result is a platform that adapts to current and future WAN requirements without hardware replacement.
Runs the full Cisco Catalyst SD-WAN software stack — application-aware routing, real-time SLA monitoring, automated WAN failover, cloud-on-ramp for AWS/Azure/Google Cloud, Cisco Umbrella integration for cloud security, and ThousandEyes for end-to-end application performance visibility across the WAN.
Cisco Trustworthy Solutions 2.0 provides hardware-anchored platform integrity verification — cryptographically validating boot chain integrity from silicon to software. Combined with integrated NGFW, TrustSec micro-segmentation, and Cisco Identity Services Engine (ISE) integration, the 8300 provides defence-in-depth security from the physical layer upward.
Optional dual redundant power supplies provide hardware-level resilience for mission-critical branch deployments. PSU failure does not interrupt network connectivity or active SD-WAN sessions — essential for branches where the SD-WAN appliance is the single WAN edge device.
The Cisco Catalyst 8300 Series targets medium to large enterprise branches — the tier above the compact 8200 — delivering significantly higher throughput (9.3 Gbps IPsec vs 1 Gbps on the 8200) with a 12-core processor, expanded modular connectivity, 5G readiness, and optional redundant power supplies. The C8300-2N2S-6T is the primary large-branch configuration with 6 built-in ports and full modular expansion capability.
Cisco Catalyst SD-WAN (formerly Viptela) is the software platform running on the 8300, providing enterprise SD-WAN with application-aware routing, intelligent WAN path selection across up to 8 concurrent WAN links, automated failover with sub-second convergence, and cloud-on-ramp for direct, optimised access to major public cloud platforms and SaaS applications.
For enterprises with existing Cisco infrastructure, the Catalyst 8300 provides native integration across the Cisco WAN portfolio: ThousandEyes for application performance monitoring across the WAN, Cisco Umbrella for cloud-delivered security without additional on-premise hardware, Cisco DNA Center for network automation, and Meraki for hybrid on-premise/cloud management — all accessible through a unified Cisco portfolio without vendor integration complexity.
SD-WAN edge for high-throughput large branch offices — video conferencing, cloud applications, and inter-site encrypted traffic at 9.3Gbps IPsec without performance compromise.
Insert a 5G NIM module when 5G enterprise connectivity becomes available in the branch area — no hardware replacement needed. Manage 5G alongside fibre and MPLS WAN links from a single SD-WAN Manager policy.
Acts as a high-throughput regional hub in a Cisco SD-WAN hub-and-spoke topology — aggregating encrypted SD-WAN tunnels from multiple smaller branch spokes with ADVPN dynamic tunnel support.
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