Synchronous Lan-To-Lan - Black Box LRA001A-R2 User Manual

A.2 Synchronous LAN-to-LAN
This example illustrates how the Sync Router uses its integrated modem as a backup for a synchronous
connection. Consider the network and the routing tables given for the systems in Figure A-5.
host1
128.66.1.2
sync0
Figure A-5. Modem as a Backup for a Synchronous Connection.
ASYNC ROUTER AR-P, AR-5, AND SYNC ROUTER USER'S MANUAL
host2
128.66.1.1
Sync Router A
Sync Router B
modem0
Public Switched
Telephone
Network
10.4.0.106
sync0
home office
modem0
sync0
branch office
host3
Internet
Sync Router C
128.66.14.1
host4
71