HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Routing Confi - Page 35

Advertising a summary route, Disabling host route reception

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Step Command 3. Enable RIPv2 automatic route summarization. summary Remarks 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 Disable RIPv2 route automatic summarization before advertising a summary route on an interface. To configure RIPv2 to advertise a summary route on the specified interface: Step 1. Enter system view. Command system-view 2. Enter RIP view. rip [ process-id ] [ vpn-instance vpn-instance-name ] 3. Disable RIPv2 automatic route summarization. undo summary 4. Return to system view. quit 5. Enter interface view. interface interface-type interface-number 6. Advertise a summary route. rip summary-address ip-address { mask | mask-length } Remarks N/A N/A Enabled by default. N/A N/A N/A Disabling host route reception Perform this task to disable RIPv2 from receiving host routes from the same network and save network resources. This feature does not apply to RIPv1. To disable RIP from receiving host routes: Step 1. Enter system view. 2. Enter RIP view. 3. Disable RIP from receiving host routes. Command system-view rip [ process-id ] [ vpn-instance vpn-instance-name ] undo host-route Remarks N/A N/A Enabled by default. Advertising a default route Under the following conditions, you can configure RIP to advertise a default route with a specified metric to RIP neighbors: • In RIP view, you can configure all the interfaces of the RIP process to advertise a default route; in interface view, you can configure a RIP interface of the RIP process to advertise a default route. The interface view takes precedence over on the interface. 25

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25
Step
Command
Remarks
3.
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
Disable RIPv2 route automatic summarization before advertising a summary route on an interface.
To configure RIPv2 to advertise a summary route on the specified interface:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter RIP view.
rip
[
process-id
] [
vpn-instance
vpn-instance-name
]
N/A
3.
Disable RIPv2 automatic route
summarization.
undo summary
Enabled by default.
4.
Return to system view.
quit
N/A
5.
Enter interface view.
interface
interface-type
interface-number
N/A
6.
Advertise a summary route.
rip summary-address
ip-address
{
mask
|
mask-length
}
N/A
Disabling host route reception
Perform this task to disable RIPv2 from receiving host routes from the same network and save network
resources. This feature does not apply to RIPv1.
To disable RIP from receiving host routes:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter RIP view.
rip
[
process-id
] [
vpn-instance
vpn-instance-name
]
N/A
3.
Disable RIP from receiving
host routes.
undo host-route
Enabled by default.
Advertising a default route
Under the following conditions, you can configure RIP to advertise a default route with a specified metric
to RIP neighbors:
•
In RIP view, you can configure all the interfaces of the RIP process to advertise a default route; in
interface view, you can configure a RIP interface of the RIP process to advertise a default route. The
interface view takes precedence over on the interface.