On Thu, 28 Feb 2002 [EMAIL PROTECTED] wrote: > R1 (6to4 router) -- R2 (IPv4) -- R3 (IPv4) -- R4 (relay router) > > Note: R1 is a pure 6to4 router; R2 and R3 are part of the IPv4 cloud; R5 > is a relay router. > > In the 6to4 model R1 and R4 need to have a 6to4 address. From RFC 3056 I > understand that these 6to4 addresses have to be configured on the > interface between R1 and R2 (R4 and R3) respectively. I am now puzzled > between the following 2 observations: > 1) I would also expect to have an IPv6 address configured on R2's end of > the R1-R2 interface. After all, only configuring an IPv6 address on 1 of > the routers connected to an interface would be a bit strange? A similar > remark holds for R3 on the R4-R3 interface. > 2) However, no IPv6 address should be assigned to R2 (R3) since R2 (R3) is > only IPv4 capable?
It's 6to4 _pseudo_ - interface :-). It's not assigned (normally) on any physical link. The only address you need between R1-R2 and R3-R4 are IPv4 addresses (from which, a 6to4 address may be derived from). HTH, -- Pekka Savola "Tell me of difficulties surmounted, Netcore Oy not those you stumble over and fall" Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
