Pay attention to the special layer 2 multicast address for the RA packet.
On 10/15/10 3:21 PM, "Franck Martin" <fra...@genius.com> wrote: >I have seen layer 2 devices not forwarding IPv6 packets (while forwarding >IPv4 packets)... > >I would put a packet capture, and see if I see the RA packets coming from >the router. > >On a Cisco router, RA is enabled by default and does not require any >setting. > >----- Original Message ----- >From: "Rod James Bio" <rju...@gmail.com> >To: "Franck Martin" <fra...@genius.com> >Cc: nanog@nanog.org >Sent: Friday, 15 October, 2010 7:11:07 PM >Subject: Re: IPv6 Stateless Configuration > >That's my setup right now. The problem is the machine is not configuring >its IPv6 address with RA already turned on. I'm guessing that the flag >set on the UTM router advertisement messages is wrong. May I know the >default flags use on a cisco router? Thanks. > > >On Fri, Oct 15, 2010 at 3:04 PM, Franck Martin < fra...@genius.com > >wrote: > > >You need all to be part of the same Ethernet network. So if this UTM can >act as a bridge/switch you should be ok. Otherwise the RA broadcasts need >to reach your device so it guesses the network and add it's Mac address >to the network and make an ipv6 address. > >I would say RA is a bit like DHCP in your case in terms of network >topology but beside that RA is simpler (no leases table). > >Toute connaissance est une réponse à une question > > > > >On 15/10/2010, at 17:49, Rod James Bio < rju...@gmail.com > wrote: > >> Hi, >> >> First time poster here. I would just like to ask what are the flags on >> router advertisement to enable a host to autoconfigure its IPv6 >>address. >> There is this device that I'm configuring that I cant get RA to work. I >>was >> able to work out the connectivity from the device to the IPv6 internet, >>but >> the problem is host behind this device is not getting its unique global >>ipv6 >> address. The device is a cyberoam UTM. >> >> Thanks! Rod Bio. > > >