Verilink NetPath 2000 Product Manual - Manual (Page 11)

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Introduction
The NetPath 2000 enables a branch office to maintain network connectivity in
case of a disruption in service due to an outage of the main network
connection. The NetPath 2000 uses Cingular’s wireless data network as an
alternate path to route mission-critical information.
NetPath 2000 Backup Operation
In a typical customer network (see Figure 1.1), the branch offices are
connected to their headquarters using Cisco 17xx routers via a T1 frame relay
network service to a central router located at their headquarters. The NetPath
2000 and the Cingular wireless network provide a fail-over mechanism by
creating a backup connection in the event this main connection (T1 frame
relay network connection) has a disruption in service. The branch office router
connects to the NetPath 2000 via a cross-over Ethernet cable. Dynamic Host
Configuration Protocol (DHCP) address assignment may be configured on this
NetPath 2000 Ethernet port (branch router Ethernet interface).