RIP 125
Perform the following configuration in Interface View:
The usual packet format follows RFC1723 and nonstandard follows RFC2082.
Configuring Split Horizon
Split horizon means that the route received through an interface will not be sent
through this interface again. The split horizon algorithm can reduce the
generation of routing loops, but in some special cases, split horizon must be
disabled to obtain correct advertising at the cost of efficiency. Disabling split
horizon has no effect on P2P connected links but is applicable on the Ethernet.
Perform the following configuration in Interface View:
By default, split horizon is enabled.
Enabling 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 routes from protocols including direct, static and OSPF.
Perform the following configurations in RIP View.
By default, RIP does not import the route information of other protocols.
Configuring the 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
Tab le 121 Setting RIP-2 Packet Authentication
Operation Command
Configure RIP-2 simple authentication key rip authentication-mode simple
password_string
Configure RIP-2 MD5 authentication with
packet type following RFC 1723
rip authentication-mode md5 usual
key_string
Configure RIP-2 MD5 authentication with
packet type following RFC 2082
rip authentication-mode md5
nonstandard
key_string key_id
Cancel authentication of RIP-2 packet undo rip authentication-mode
Tab le 122 Configuring Split Horizon
Operation Command
Enable split horizon rip split-horizon
Disable split horizon undo rip split-horizon
Tab le 123 Enabling RIP to Import Routes of Other Protocols
Operation Command
Enable RIP to import routes of other
protocols
import-route
protocol
[ cost
value
] [
route-policy
route_policy_name
]
Disable route imports from other
protocols
undo import-route
protocol
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