H3C Technologies H3C S7500E Series Switches - Manual (Page 44)

3-9
To do… Use the command… Remarks
Enter interface view
interface interface-type
interface-number
––
Define an inbound additional
routing metric
rip metricin [ route-policy
route-policy-name ] value
Optional
0 by default
Define an outbound additional
routing metric
rip metricout [ route-policy
route-policy-name ] value
Optional
1 by default
Configuring RIPv2 Route Summarization
Route summarization means that subnets in a natural network are summarized into a natural network
that is sent to other networks. This feature can reduce the size of routing tables.
After route summarization, the smallest metric among all the summarized routes is used as the metric
of the summary route.
Enabling RIPv2 route automatic summarization
You can disable RIPv2 route automatic summarization if you want to advertise all subnet routes.
Follow these steps to enable RIPv2 route automatic summarization:
To do… Use the command… Remarks
Enter system view system-view ––
Enter RIP view
rip [ process-id ] [ vpn-instance
vpn-instance-name ]
––
Enable RIPv2 automatic route
summarization
summary
Optional
Enabled by default
If the subnet routes in the routing
table are not consecutive, disable
automatic route summarization to
avoid black hole routing.
Advertising a summary route
You can configure RIPv2 to advertise a summary route on the specified interface.
To do so, use the following commands:
To do… Use the command… Remarks
Enter system view system-view ––
Enter RIP view
rip [ process-id ] [ vpn-instance
vpn-instance-name ]
––