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Related Documentation
- M Series
- Overview of Using NDRA to Provide IPv6 WAN Link Addressing
- How NDRA Works in a Subscriber Access Network
- Configuring an Address-Assignment Pool Used for Router Advertisements
- MX Series
- Overview of Using NDRA to Provide IPv6 WAN Link Addressing
- How NDRA Works in a Subscriber Access Network
- Configuring an Address-Assignment Pool Used for Router Advertisements
Methods for Obtaining IPv6 Prefixes for NDRA
You can set up the BNG to select IPv6 prefixes used for NDRA through one of the following methods:
- An external source such as a AAA RADIUS server.
- Dynamic assignment from a local pool of NDRA prefixes that is configured on the BNG
Using AAA RADIUS Server to Obtain IPv6 Prefixes for NDRA
When the BNG needs to obtain a prefix for NDRA, it uses the values in one of the following RADIUS attributes that it receives in Access-Accept messages from the RADIUS server:
- Framed-IPv6-Prefix—The attribute contains an IPv6 prefix that the BNG can send to the CPE in router advertisement messages.
- Framed-IPv6-Pool—The attribute contains the name of an NDRA pool configured on the BNG from which the BNG can select a prefix to include in router advertisements.
Related Documentation
- M Series
- Overview of Using NDRA to Provide IPv6 WAN Link Addressing
- How NDRA Works in a Subscriber Access Network
- Configuring an Address-Assignment Pool Used for Router Advertisements
- MX Series
- Overview of Using NDRA to Provide IPv6 WAN Link Addressing
- How NDRA Works in a Subscriber Access Network
- Configuring an Address-Assignment Pool Used for Router Advertisements
