The Cisco 881 router combines internet access, security, and wireless services onto a single device for small businesses and remote workers. It offers broadband speeds and simplified management through a 10/100 Mbps Ethernet WAN port, 4-port Ethernet LAN switch, optional WiFi, and security features like IPsec VPN and firewall with licenses. Key specs include a 5.5 lb form factor, 1 USB port, support for 4 FXS lines, and throughput of up to 15 Mbps.

1. Cisco 881 Specs
The 10/100-Mbps fast Ethernet models of the Cisco 881 Integrated Services Routers combine Internet access, security and
wireless services onto a single, secure device. This router offers broadband speeds and simplified management to small
businesses, and enterprise small branch and teleworkers.
Cisco 881 Specs
Release Date: 07-APR-2008
PoE: Optional 2-port
Hardened Form Factor: No
PoE Plus (PoEP): 2 port integrated PoE
Integrated WAN Optimization - Cisco
WAAS Express:
1.5 Mbps optimized; 30-75 TCP connections; with license
Advanced IP Services: Upgradeable
IOS High-Availability: Yes
Weight: 5.5 lb (2.5 kg)
Fixed WAN Port Connections: 1-port 10/ 100 Ethernet
Performance: Up to 15 Mbps
Routing Protocol: RIPv1, v2, BGP, OSPF, EIGRP
4-port FXS: Yes ("SRST" model)
VPN Support: GETVPN, DMVPN with license
Application Visibility and Control (AVC): No
Content Filtering: With License
Voice: 4 FXS , 1 FXO, 1 BRI
IPv6: Yes
Typical Deployment: Small branch, retail, or managed CPE
Fanless: Yes
Typical number of users: 1 executive up to 20 employees

2. ScanSafe Ready: Yes
Fixed LAN Port Connections: 4-port 10/ 100 Ethernet switch
IPsec Tunnels: 20
3G/4G LTE: 3.5G/3.7G HSPA+ or 3G EVDO
Video/Medianet Ready: Yes
SSL VPN: With License
Dimensions: 12.8 x 10.4 x 1.9 inches
802.11 Wireless:
2.4 GHz 802.11n integrated antenna; dual-band concurrent 2.4/5.0 GHz
802.11n Wi-Fi with DFS/CleanAir (Q4CY2012)
The ports and slots of CISCO881-K9
Cisco VS Huawei

3. Vendor Product Description Huawei Advantages
CISCO CISCO881 Cisco 881 Ethernet Sec Router
HUAWEI AR151 1FE WAN,4FE LAN,1USB Forwarding performance：300Kpps vs. 50Kpps
Source:http://www.cisco.com/c/en/us/support/routers/881-integrated-services-router-isr/model.html
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