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Re: RS sending in draft-ietf-v6ops-ipv6-cpe-router-04
As a follow-up to the discussion, here's some proposed text for the "WAN
side requirements" in Section 4.2:
W-x: The router MUST orignate RS messages with a source IP address set to
one of the interface's unicast addresses.
On 15/04/2010 16:02, "Wojciech Dec" <firstname.lastname@example.org> wrote:
> Given that RS triggered access appears to be gaining ground (based on the
> latest draft-krishnan-rs-mark) it would appear that the CPE router draft
> specify a bit more tightly the form of RS messages a CPE sends when connecting
> to a network.
> RFC4861 section 6.3.7 states:
> " A host sends Router Solicitations to the all-routers multicast
> address. The IP source address is set to either one of the
> interface's unicast addresses or the unspecified address."
> Now, since the source address is very likely to be one of the identifier keys
> for a CPE used for authorization, I would like to propose that an RS sending
> rule be added to the CPE spec which would ensure that the IP source address is
> NEVER the unspecified address, eg:
> The IPv6 CE router MUST use one of its WAN interface unicast addresses when
> sending RS messages.