Cisco2921-SEC/K9 2921 3 Port Integrated 1 SFP Router 2921SEC/K9

Description:

The Cisco 2921-SEC/K9 Integrated Services Router is an enterprise-grade security router used in Cisco 2900 Series networking systems to provide secure WAN connectivity, advanced routing, and integrated security services for branch office infrastructures. It features multiple Gigabit Ethernet interfaces including an SFP port and supports modular expansion for voice, security, and WAN connectivity within enterprise network environments. Commonly installed in corporate branch offices, enterprise WAN infrastructures, and distributed business networks, this router enables secure data routing and network protection. Network administrators, IT infrastructure teams, and system integrators use this router for deploying secure branch connectivity, replacing legacy routers, or expanding enterprise network infrastructure. 

Applications:

The Cisco 2921-SEC/K9 router is used in enterprise branch networks to deliver secure routing, WAN connectivity, and integrated security services. It is commonly deployed in corporate branch offices, remote enterprise locations, and distributed business infrastructures where secure data communication and reliable routing are required. Organizations implement this router to support secure internet access, site-to-site VPN connectivity, and centralized communication between branch offices and headquarters.

Technical Specifications:

• Brand: Cisco
• Manufacturer Part Number (MPN): 2921-SEC/K9
• Alternate Part Number: 2921SEC/K9
• Product Type: Integrated Services Security Router
• Series: Cisco 2900 Series Integrated Services Routers
• Ethernet Ports: 3 × Gigabit Ethernet ports
• SFP Port: 1 × Gigabit Ethernet SFP slot
• Expansion Slots: 4 × Enhanced HWIC (EHWIC) slots
• Service Module Slots: 1 × Service Module (SM) slot
• DSP Slots: Supported for PVDM modules
• Security Features: Firewall, VPN, intrusion prevention support
• VPN Support: IPsec VPN and SSL VPN
• Management Interface: CLI, SNMP, Cisco Configuration Professional
• Form Factor: Rack-mountable chassis
• Power Supply: Internal AC power supply

Common Replacements:

• Cisco ISR 2911-SEC/K9
• Cisco ISR 2921/K9
• Cisco ISR 4331/K9