C2811-3G-G-SEC/K9

The Cisco C2811-3G-G-SEC/K9 is a secure enterprise branch router designed for reliable wired and 3G GSM connectivity. Part of the Cisco 2800 Series, it combines HWIC-3G-GSM interface, integrated firewall, and advanced security feature set to protect up to 250 users. With 4 x 10/100 Ethernet ports, VPN support, and Cisco IOS software, this router is ideal for enterprise and branch office deployments that require consistent WAN access and robust security.

Product Features Comparison

Model	C2811-3G-G-SEC/K9, Cisco 2811 Router, HWIC-3G-GSM/128F/512D DRAM/Adv Security	C2821-H-VSEC/K9, Cisco 2821 Integrated Services Router, AIM-VPN2/SSL, CCME/SRST, 256F/512D	CISCO2951-V/K9, Cisco 2951 Router, 3 onboard GE/4 EHWIC slots/512MB DRAM	CISCO2811-ADSL2/K9, Cisco 2811 Router, HWIC-1ADSL/128MB Flash/512MB DRAM
Brand	Cisco	Cisco	Cisco	Cisco
Routing Throughput	n/a	n/a	Up to 12 Gbps	n/a
Interface Configuration	4 x 10/100 Ethernet ports	2 x Gigabit Ethernet	3 x 10Base-T/100Base-TX/1000Base-T RJ-45; 1 x SFP (mini-GBIC)	2 x 10/100 Mbps; 1 x ADSL2
Supported Protocol	RIP, EIGRP, OSPF, BGP, IS-IS	IPv4, IPv6	OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast	PPP, PPPoA, PPPoE, IPoA, Bridging, and Routing
VPN Capability	Supports VPN	Integrated VPN	VPN support	VPN, IPSec
Integrated Features	Advanced Security feature set; Integrated firewall	High Performance; CCME/SRST; SSL Support; AIS	Firewall protection; MPLS support; Syslog support; IPv6 support; NetFlow	Firewall; Integrated Hardware-based Encryption; Security Features: Firewall, VPN, IPSec