Configure IPv6 IS-IS Redistribution

Use this procedure to configure IS-IS redistribution for IPv6. In the Virtual Routing and Forwarding (VRF), just like in the Global Router, the IPv6 routes are not redistributed into IS-IS automatically. To advertise the VRF routes, you must explicitly redistribute one of the following protocols into IS-IS: v6direct, v6static, RIPng, OSPFv3, or BGPv6, within the context of a VRF. Routing between VRFs is also possible by using redistribution policies and injecting routes from the other protocols.

Note

RIPng is supported only on the Global Router.

The VRF specific routes are transported in TLV 184 with the I-SID assigned to the VPNs. After extracting the IPv6 VPN reachability information, the IPv6 routes are installed in the route tables of the appropriate VRFs based on the I-SID association.

Before you begin

Change the VRF instance as required to configure IPv6 IS-IS redistribution on a specific VRF instance. Not all parameters are configurable on non-default VRFs.

Procedure

In the navigation pane, expand Configuration > IPv6.
Select IS-IS.
Select the Redistribute tab.
Select Insert.
Complete the fields as required.
Select Insert.
Select Apply.

Redistribute Field Descriptions

Use the data in the following table to use the Redistribute tab.


Name	Description
DstVrfId	Specifies the destination Virtual Routing and Forwarding (VRF) ID used in redistribution.
Protocol	Specifies the protocols that receive the redistributed routes.
SrcVrfId	Specifies the source Virtual Routing and Forwarding (VRF) ID used in redistribution.
RouteSource	Specifies the source protocol for the route redistribution entry.
Enable	Enables or disables a redistribution entry. The default is disabled.
RoutePolicy	Specifies the route policy to be used for the detailed redistribution of external routes from a specified source into the IS-IS domain.
Metric	Specifies the metric for the redistributed route. The default value is 0. Use a value that is consistent with the destination protocol.
MetricType	Specifies the metric type. Specifies a type1 or a type2 metric. For metric type1, the cost of the external routes is equal to the sum of all internal costs and the external cost. For metric type2, the cost of the external routes is equal to the external cost alone. The default is type2.