hi,

a question arose from work I'm doing with the BBF and their CPE requirements 
document (TR-124/WT-192). an issue has been raised with regards to a 
requirement about CPE routers automatically offering ULA addresses on the LAN. 
in the case of multiple CPE routers on a link, the suggestion is the following 
two requirements:

LAN.ADDRESSv6.  3       The device MUST send a Router Solicitation to the LAN, 
to determine if there
                                                are other routers present.      
MUST
LAN.ADDRESSv6.  4       If the device determines other routers are present in 
the LAN, and that another
                                                router is advertising a ULA 
prefix, the device MUST be configurable to
                                                automatically use this 
information to decide not to advertise its own
                                                ULA prefix.     MUST

any opinion on these requirements and how they compare with expected behavour 
as specified in RFC4861?

cheers,
Ole
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