3Com Switch 8800 Advanced Software V5 Configuration Guide

Configuring RIPng Route Control 293
Define an IPv6 ACL before using it for route filtering. Refer to “IPv6 ACL
Configuration” on page 815 for related information.
Define an IPv6 address prefix list before using it for route filtering. Refer to
“Defining Filtering Lists” on page 245 for related information.
Configuring an
Additional Route Metric
An additional route metric can be added to the metric of an inbound or outbound
RIP route, namely, the inbound and outbound additional metric.
The outbound additional metric is added to the metric of a sent route, the route’s
metric in the routing table is not changed.
The inbound additional metric is added to the metric of a received route before
the route is added into the routing table, so the route’s metric is changed.
Follow these steps to configure an inbound/outbound additional routing metric:
Configuring RIPng Route
Summarization
Follow these steps to configure RIPng route summarization:
n
After configuration, the device advertises a summary IPv6 prefix rather than a
specific route through the interface.
Advertising a Default
Route
Follow these steps to advertise a default route:
n
With this feature enabled, a default route is advertised via the specified interface
regardless of whether the default route is available in the local IPv6 routing table.
To do... Use the command... Remarks
Enter system view system-view --
Enter interface view interface interface-type
interface-number
--
Specify an inbound route
additional metric
ripng metricin value Optional
0 by default
Specify an outbound route
additional metric
ripng metricout value Optional
1 by default
To do... Use the command... Remarks
Enter system view system-view --
Enter interface view interface interface-type
interface-number
--
Advertise a summary
IPv6 prefix
ripng summary-address
ipv6-address prefix-length
Required
To do... Use the command... Remarks
Enter system view system-view --
Enter interface view interface interface-type
interface-number
--
Advertise a default route ripng default-route { only |
originate } [ cost cost ]
Required
Not advertised by default