Cisco 4321 Security ISR Router - ISR4321-SEC/K9 Grade-B The large buttons

The large buttons

and Trivial File Transfer Protocol (TFTP)

Grayscale display

or 4 x 10 Gigabit Ethernet ports

Cisco 4321 Security ISR Router - ISR4321-SEC/K9 Grade-B The large buttonsNew and Refurbished 4321 Security ISR with 3 onboard GE, 2 NIM slots, 1 ISC slot, 4 GB flash memory default, 4 GB DRAM default with Warranty The Cisco 4000 Series Integrated Services Routers (ISR) The Cisco 4000 Series ISR revolutionize WAN communications in the enterprise branch. With new levels of built in intelligent network capabilities and convergence, the routers specifically address the growing need for application aware networking in