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DES-7200 Configuration Guide Chapter 3 RIPng
Configuration
3-4
Note
The current version can only support split horizon configuration in RIPng routing
process, i.e., this command will be applied to all RIPng interfaces.
Different from split horizon, when poison reverse is enabled, the routing device
will advertise certain route information from the interface from which such route
information was learned. Just set the corresponding metric to infinity (16).
To enable or disable poison reverse, input the following command in the routing
process configuration mode:
Command Function
DES-7200(config-router)#split-hor
izon poisoned-reverse
Enable split horizon with poison reverse
DES-7200(config-router)#no
split-horizon poisoned-reverse
Disable split horizon with poison reverse
Caution
Enabling poison reverse will consume considerable bandwidth.
3.2.5 Configure Default Metric for Redistribution
When a protocol redistributes routes of other protocols, you need to configure the
metric for such redistribution for metric varies by protocols. The default metric of
RIPng is 1.
To define the default RIPng metric during the redistribution of other routing
protocols, please use the routing process configuration command of
default-metric. Use no default-metric command to reset the default value to 1.
Command Function
DES-7200(config-router)#
default-metric metric
The metric of RIPng is set to metric
DES-7200(config-router)# no
default-metric
Reset the default value to 1
3.2.6 Adjust Interface Metric
Before adding the learned routes into the routing table, you need to add the
metric set for the interface to the ones of learned routes. Therefore, you can
control the use of routes by configuring the interface metric.