2008/6/6 Alexandru Petrescu <[EMAIL PROTECTED]>: > Hemant Singh (shemant) wrote: >> Silviu, >> >> A router can receive an RA on the router's upstream > > Yes it can. It uses it to report whether some things went wrong, log > stuff, but don't act. > >> and use this RA to autoconfigure the ipv6 address on interface(s) of >> the router. > > Usually no, it can not. A particular case of a Mobile Router away from > home can auto-configure an address on its egress interface with > stateless autoconf. But a non-mobile router (not implementing rfc3963) > can't and it shouldn't. > > A router is something that forwards packets. A linux router can't > auto-configure an address once one sets the forwarding=1. A Cisco > router I have doubts, but it doesn't mean it follows rfc.
a router can very well have an interface configured in host mode where it uses normal host configuration mechanisms. it obviously can't advertise any learnt information back out the same interface. I don't see any reason why it couldn't also do forwarding on this interface. router/host mode is a per interface property. and has been said before the RS/RA mechanism for router discovery/prefix discovery does not support prefix delegation. of course you can invent a new protocol using RS/RA messages to do it, but I haven't seen any convincing reason why we should. note that the DHCP PD was triggered by a draft proposing using ICMP for PD. we suggested using DHCP instead, since one eventually would have reinvented lots of the DHCP machinery to make it work. /ot -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
