4. Support for requesting and parsing Router Advertisements
a) parsing of prefixes, routes, MTU and RDNSS options
4. Support for requesting and parsing Router Advertisements
a) parsing of prefixes, routes, MTU and RDNSS options
Format: <address>/<length>,gateway,valid,metric
* RA_DNS A space-separated list of recursive DNS servers from the RA
* AFTR The DS-Lite AFTR domain name
Format: <address>/<length>,gateway,valid,metric
* RA_DNS A space-separated list of recursive DNS servers from the RA
* AFTR The DS-Lite AFTR domain name