3Com 7700 Configuration Manual page 80

72 C 5: R P
HAPTER OUTING
O
ROTOCOL PERATION
Perform the following configuration in VLAN interface view.
Table 14 Configure Split Horizon
Operation
Enable split horizon
Disable split horizon
By default, split horizon of the interface is enabled.
Configure RIP to Import Routes of Other Protocols
RIP allows users to import the route information of other protocols into the
routing table.
RIP can import direct, static, OSPF, BGP, and other routes.
Perform the following configurations in RIP view.
Table 15 Configure RIP to Import Routes of Other Protocols
Operation
Configure RIP to import routes of
other protocols
Cancel the imported routing
information of other protocols
By default, RIP does not import the route information of other protocols.
Configure Default Cost for the Imported Route
When you use the import-route command to import the routes of other
protocols, you can specify their cost. If you do not specify the cost of the imported
route, RIP will set the cost to the default cost, specified by the default cost
parameter.
Perform the following configurations in RIP view.
Table 16 Configure the Default Cost for the Imported Route
Operation
Configure default cost for the
imported route
Restore the default cost of the
imported route.
By default, the cost value for the RIP imported route is 1.
Set the RIP Preference
Each routing protocol has its own preference, by which the routing policy selects
the optimal one from the routes of different protocols. The greater the preference
value, the lower the preference. The preference of RIP can be set manually.
Command
rip split-horizon
undo rip split-horizon
Command
import-route protocol [ cost value ] [route-policy
route-policy-name ]
undo import-route protocol
Command
default cost value
undo default cost