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Configure RIP 419
Configuring RIP
Horizontal
Segmentation on the
Interface
RIP is a Distance-Vector algorithm routing protocol. It uses the split-horizon
algorithm to avoid loop routes. Split-horizon means that routes received at a
certain interface are not sent to the same interface. If correct transmission of
routes is more important than efficiency, then split-horizon should be disabled.
Disabling split-horizon mechanism is not effective on point-to-point connection
links.
Perform the following configurations in interface view.
Table 478 Configure RIP Horizontal Segmentation on the Interface
By default, the interface use split-horizon when sending RIP packets.
Configuring Route
Import for RIP
RIP allows importing the routes learned from other protocols.
Perform the following configurations in RIP view.
Table 479 Configure Route Import for RIP
By default, RIP does not import routes from other domains into the routing table.
The protocol attribute specifies the source routing domain that can be imported.
At present RIP can import routes domain such as Connected, Static, OSPF,
OSPF-ASE, and BGP.
See“Configure Route Import” in “Configuration of IP Routing Policy” for the
details of importing routes.
Specifying Default
Route Metric Value for
RIP
The import-route command is used to import routes of other routing protocols.
If
import-route is not followed by the value of a routing metric, then the
parameter value of
default-med command is set as the metric value when
distributing other routing protocols.
Perform the following configurations in RIP view.
Table 480 Specify a Default Route Metric Value for RIP
By default, the default route metric for RIP is 16
Operation Command
Configure RIP horizontal segmentation on
the interface
rip split-horizon
Prohibit the interface from using
split-horizon when sending RIP packets.
undo rip split-horizon
Operation Command
Configure route import for RIP import-route protocol [ cost cost ] [
route-policy policy-name ]
Cancel route distribution for RIP undo import-route protocol
Operation Command
Specify default route metric value for RIP default-cost cost
Restore the default route metric value for
RIP
undo default-cost