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Best Practice: Static PPPoE Interfaces with NDRA
When you use static PPPoE interfaces with NDRA, the prefix configured for router advertisement must match the source address specified under family inet6 in the logical pp0 interface configuration. If these values do not match, the prefix is not advertised correctly.
For example:
[edit protocols router-advertisement]
interface pp0.2004 {prefix 2040:2004::/64;}
[edit interface pp0]
unit 2004 {family inet6 {address 2040:2004::1.1.1.1/64;}}
To view the prefix in the ICMPv6 packet, use the monitor traffic interface pp0.xxx extensive command. If the prefix is missing, make sure that there is not a mismatch between the family inet6 address configured for the interface and the prefix configured for the interface in the router advertisement configuration.
