Mikael Abrahamsson wrote on 10/3/16 18:21: > > However, I stand by my earlier statement that we need to include MTU/MRU in ND messages, so that this can be negotiated on a LAN where not all devices support large MTU. > Isn't this already supported? https://tools.ietf.org/html/rfc4861#section-4.6.4 -- Tassos