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Configuring RIPng route control
Before you configure RIPng, complete the following tasks:
• Configure IPv6 addresses for interfaces to ensure IPv6 connectivity between neighboring
nodes.
• Configure basic RIPng.
Configuring an additional routing metric
An additional routing metric (hop count) can be added to the metric of an inbound or outbound RIPng
route.
An outbound additional metric is added to the metric of a sent route, and it does not change the
route's metric in the routing table.
An inbound additional metric is added to the metric of a received route before the route is added into
the routing table, and the route's metric is changed.
To configure an inbound or outbound additional routing metric:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface
interface-type
interface-number
N/A
3. Specify an inbound
additional routing metric.
ripng metricin
value
The default setting is 0.
4. Specify an outbound
additional routing metric.
ripng metricout
value
The default setting is 1.
Configuring RIPng route summarization
Configure route summarization on an interface, so RIPng advertises a summary route based on the
longest match.
RIPng route summarization improves network scalability, reduces routing table size, and increases
routing table lookup efficiency.
RIPng advertises a summary route with the smallest metric of all the specific routes.
For example, RIPng has two specific routes to be advertised through an interface: 1:11:11::24 with a
metric of a 2 and 1:11:12::34 with a metric of 3. Configure route summarization on the interface, so
RIPng advertises a single route 11::0/16 with a metric of 2.
To configure RIPng route summarization:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface
interface-type interface-number N/A
3. Advertise a summary IPv6
prefix.
ripng summary-address
ipv6-address
prefix-length
By default, the
summary IPv6 prefix
is not configured.
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