Have an account?

  •   Personalized content
  •   Your products and support

Need an account?

Create an account

NOTE: This product is no longer being sold and might not be supported.

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?

Cisco 4000 Series Integrated Services Routers offer greater performance and functionality. Their converged, secured branch infrastructure is built to deliver an optimal application experience on any device, any connection, from any cloud or data center. 

Why upgrade? | See the ISR 4000 Series​​​​​

Enabling Borderless Networks at the Branch

The Cisco 2911 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application service. Key features include:

  • 3 integrated 10/100/1000 Ethernet ports (RJ-45 only)
  • 1 service module slot
  • 4 enhanced high-speed WAN interface card slots
  • 2 onboard digital signal processor (DSP) slots
  • 1 Internal Service Module slot for application services
  • Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
  • Security
    • Embedded hardware-accelerated VPN encryption for secure connectivity and collaborative communications Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
    • Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure
  • Voice
    • High-density-packet voice DSP module, optimized for voice and video support
    • Standards-certified VoiceXML browser services
    • Cisco Unified Border Element capabilities
    • Cisco Unity Express voicemail support
    • Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

Featured Content

Product Support Services


Cisco's Services can help you increase operational efficiency, lower support costs, and improve availability risk management.

Related Documents


Contact Cisco

Support & Downloads