Cisco 2911 Integrated Services Router, 3 GE and 4 EHWIC Slots

CISCO2911/K9 is the Cisco 2911 integrated services router, described by Cisco as a 2911 with three Gigabit Ethernet ports, four EHWIC slots, two DSP slots, one service module slot, 256 MB of CompactFlash and 512 MB of DRAM. The three onboard ports are 10/100/1000 RJ-45; the router has no SFP-based ports.

Slots: four single-wide EHWIC slots (two can be used as double-wide), one single-wide service module slot, one ISM slot and two onboard DSP (PVDM3) slots. Ports and storage: two USB 2.0 Type A ports, an RJ-45 console, a mini-USB console, an RJ-45 AUX port and two CompactFlash slots (slot 0 holds the 256 MB card; each slot takes up to 4 GB).

Memory is DDR2 ECC DRAM, 512 MB by default and 2 GB at most, with a 256 KB boot memory. Power options are AC, AC with PoE and DC; internal PoE is rated at 200 W, and the Cisco RPS 2300 gives external redundancy and PoE boost. AC input is 100 to 240 VAC, auto-ranging, and the 2911 is 12 in deep.

Cisco announced end-of-sale on September 9, 2016; the end-of-sale date is December 9, 2017 and the last date of support is December 31, 2022. Cisco names the ISR4331/K9 as the replacement.

Other routers are in Cisco routers, such as the Cisco 891F and the Catalyst 8200L edge platform.