Cisco C921-4P Gigabit Ethernet Security Router with 4-Port Managed LAN SwitchThe Cisco 921 Gigabit Ethernet Security Router (C921-4P) is a compact Gigabit security router with integrated 4-port managed switch, designed for small offices, branches, retail outlets and remote sites, and is available from https://www.alphatech.co.ke. Combining secure WAN connectivity, advanced VPN and firewall features, and built-in switching, it gives your business an all-in-one edge device that’s easy to deploy and manage.Key Features2 × Gigabit Ethernet WAN interfaces for high-speed Internet or Metro Ethernet connectivity.4-port Gigabit managed LAN switch, allowing direct connection of PCs, IP phones, printers and access points.Integrated security features including stateful firewall, IPsec VPN and advanced encryption (3DES/AES).Dynamic failover support with VRRP, HSRP and MHSRP for high availability and link redundancy.Built for small sites – ideal CPE/router for small offices, branches, retail shops and kiosks.USB 2.0 port for 3G/4G backup or additional storage (model dependent).Simple management via web GUI and CLI, suitable for both SMB admins and enterprise IT teams.Fanless, compact chassis for quiet operation and easy placement on a desk, shelf or in a small rack.SpecificationsSpecificationDetailsModelCisco 921 Gigabit Ethernet Security Router (C921-4P)Product FamilyCisco 900 Series Integrated Services Routers (ISR)WAN Interfaces2 × Gigabit Ethernet (GE) WANLAN Interfaces4-port Gigabit Ethernet managed switchUSB1 × USB 2.0 (for modem/failover or storage)Routing PerformanceUp to ~150 Mbps (typical routed/NAT throughput, deployment dependent)SecurityStateful firewall, IPsec VPN, 3DES/AES encryption, ACLsHigh AvailabilityVRRP, HSRP, MHSRP dynamic failover (configuration dependent)DRAM1 GB defaultFlash Memory2 GB (fixed)PowerInternal power supply, external 12 VDC adapter (~30 W)Dimensions (H × W × D)Approx. 1.70 × 9.0 × 9.5 in (4.32 × 22.86 × 24.13 cm)Form FactorDesktop/wall-mountable, small-form-factor chassisTypical Use CasesSmall office router, branch CPE, retail POS network, remote site router
