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When you connect GR2000 with devices other than GR2000 based on the IP routing,
pay attention to the following.
4.7.1 Interface Address in Point-to-Point Line Connection
GR2000 regards the route information in the point-to-point line connection (direct
connection) as two host routes. This method is also adopted in Hitachi routers
NP220, NP200, and NP150. Accordingly, when a network only consists of these
routing devices, you can assign interface addresses to the point-to-point line as
follows. Be careful not to use this method with any other routing device.
YoucanassignthesamenetworkIPaddressorsubnetworkIPaddressto
multiple point-to-point lines.
You can assign two different network IP addresses or subnetwork IP addresses to
both ends of a point-to-point line.
*
Note: Although GR2000 treats the route information of a point-to-point line as two host
routes, Cisco Systems’ routers treat such information as one network route. This
causes a discrepancy in the route information advertised by the routing protocol.