H3C Technologies H3C SR8800 - Manual (Page 52)

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Enabling poison reverse
The poison reverse function allows an interface to advertise the routes received from it, but the metric of
these routes is set to 16, making them unreachable. This can avoid routing loops between neighbors.
To enable poison reverse:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Enable poison reverse. rip poison-reverse Disabled by default
Configuring the maximum number of load balanced routes
This task allows you to implement load balancing over multiple equal-cost RIP routes.
To configure the maximum number of load balanced 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. Configure the maximum
number of load balanced
routes.
maximum load-balancing number Optional
Enabling zero field check on incoming RIPv1 messages
Some fields in the RIPv1 message must be zero. These fields are called “zero fields”. You can enable zero
field check on received RIPv1 messages. If such a field contains a non-zero value, the RIPv1 message will
not be processed. If you are sure that all messages are trusty, disable zero field check to save CPU
resources.
This feature does not apply to RIPv2 packets that have no zero fields.
To enable zero field check on incoming RIPv1 messages:
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. Enable zero field check on
received RIPv1 messages.
checkzero
Optional
Enabled by default
Enabling source IP address check on incoming RIP updates
You can enable source IP address check on incoming RIP updates.