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Cisco 3900 Series Integrated Services Routers

NOTE: This product is no longer being sold.

View the End-of-Life Notice to learn: 

  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Ready for an upgrade?

The Cisco Catalyst 8000 Edge Platforms Family offers a trustworthy network foundation with industry-leading best-in-class features, including 5G, SD-WAN, and cloud security. Enable your WAN edge to deliver secure, connected experiences, cloud-native agility, and business-first resiliency.

See Catalyst 8000 family

Secure routing for medium to large branches

Cisco 3900 Series Integrated Services Routers (ISR) are designed to meet the application demands of today's medium-to-large branches and to evolve to cloud-based services. They deliver virtualized applications and highly secure collaboration through the widest array of WAN connectivity at high performance that offers concurrent services at up to 375 Mbps.