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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
Follow these steps to configure RIPv2 to advertise a summary route on the specified interface:
To do…
Use the command…
Remarks
Enter system view
system-view
––
Enter RIP view
rip
[
process-id
] [
vpn-instance
vpn-instance-name
]
––
Disable RIPv2 automatic route
summarization
undo summary
Required
Enabled by default
Return to system view
quit
—
Enter interface view
interface
interface-type
interface-number
—
Advertise a summary route
rip summary-address
ip-address
{
mask
|
mask-length
}
Required
NOTE:
You must disable RIPv2 route automatic summarization before advertising a summary route on an
interface.
Disabling host route reception
A router can receive many host routes from the same network, which is not helpful for routing and
consumes a large amount of network resources. You can disable RIP from receiving host routes to save
network resources.
Follow these steps to disable RIP from receiving host routes:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter RIP view
rip
[
process-id
] [
vpn-instance
vpn-instance-name
]
—
