Rip Route Control; Configuring Rip Route Control - H3C S7500 Series Operation Manual

Operation Manual – Routing Protocol
H3C S7500 Series Ethernet Switches
To do...
Specify RIP version
on the interface

3.4 RIP Route Control

In actual implementation, it may be needed to control RIP routing information more
accurately to accommodate complex network environments. By performing the
configuration described in the following sections, you can:
Control route selection by adjusting additional routing metrics on interfaces
running RIP.
Reduce the size of the routing table by setting route summary and disabling the
receiving of host routes.
Filter the received routes.
Set the preference of RIP to change the preference order of routing protocols.
This order makes sense when more than one route to the same destination is
discovered by multiple routing protocols.
Import external routes in an environment with multiple routing protocols and filter
the advertised routes.
3.4.1 Configuration Prerequisites
Before configuring RIP route control, perform the following tasks:
Configuring IP address on each interface, and make sure that all adjacent nodes
are reachable with each other
Configuring basic RIP functions

3.4.2 Configuring RIP Route Control

I. Set the additional routing metrics of an interface
Additional routing metric is the routing metric (hop count) added to the original metrics
of RIP routes on an interface. It does not change the metric value of a RIP route in the
routing table, but will be added for incoming or outgoing RIP routes on the interface.
Follow these steps to set additional routing metric:
Use the command...
rip version { 1 | 2
[ broadcast | multicast ] }
3-5
Chapter 3 RIP Configuration
Remarks
Required
By default, the interface can
receive RIP-1 and RIP-2
broadcast packets but send
only RIP-1 packets. When
specifying the RIP version on
an interface to RIP-2, you can
also specify the mode
(broadcast or multicast) to
send RIP packets.