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Figure 2 shows deployment scenarios. 
Figure 2.    Deployment Scenarios 
 
Applications 
The Cisco 880 Series is ideally suited for deployment in a small office or in a small office that is part of a large 
network, most often with a secure VPN connection. These types of offices can include the following: 
● 
Small remote office: The Cisco 880 Series can connect users in a small remote office, such as an 
insurance, lawyer, or sales office. When connecting to the main office, VPN encryption and integrated 
security such as firewall and intrusion prevention protect the network at the perimeter. The Cisco 880 
CUBE Series can also support connection to SIP trunking VOIP services provided by the Service Provider. 
Additionally, IT managers can centrally manage the remote site to quickly troubleshoot any network 
problems. For added reliability, customers can also use the integrated 3G or ISDN backup or connect 
through an external modem if the primary broadband link fails. Integrated secure unified WLAN 
connectivity simplifies the deployment and management devices at the remote site. Redundant WAN links 
offer business continuity, enabling non-disruptive business operation.