Mailinglist Archive: opensuse (769 mails)

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Re: [opensuse] DHCPv6-PD request
  • From: Andrei Borzenkov <arvidjaar@xxxxxxxxx>
  • Date: Tue, 10 May 2016 11:08:23 +0300
  • Message-id: <>
On Tue, May 10, 2016 at 10:44 AM, Per Jessen <per@xxxxxxxxxxxx> wrote:
Koenraad Lelong wrote:

Op 09-05-16 om 08:31 schreef Andrei Borzenkov:
I am not even sure if it is possible to do with having *second*
prefix for "DIY Router" WAN interface. I.e. assuming we have

ISP - eth0 [DIY] eth1 - LAN

Can both eth0 and eth1 have the same prefixes? How would DIY know
whether to use eth0 or eth1 to speak with hosts having the same

From my little experience/knowledge, the external interface of the
[DIY] gets an IP-address in a separate prefix, not related to the
[prefix that is given to the [DIY] via PD.

It depends on the setup/ISP, but that corresponds to my config - the
uplink route has a separate prefix.

Yes, I apologize for confusion; I was thinking more of the case with
ISP CPE that obviously should get delegated prefixes from ISP and
needs to distinguish between prefixes used to hand out DHCPv6/SLAAC
addresses and prefixes used for further delegation (assuming it
supports it at all).

We still do not know anything about actual ISP setup James is using,
so it is just guesswork.
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