How to add IPv6 support?

Arnold Nipper arnold at nipper.de
Fri Oct 1 17:04:35 CEST 2010


On 01.10.2010 14:24 David Rohleder wrote

> Ondrej Zajicek píše v Pá 01. 10. 2010 v 14:27 +0200:
>> On Thu, Sep 30, 2010 at 07:16:34PM +0200, David Rohleder wrote:
>> > > It seems silly for the first moment, but it has several advantages.
>> > > IPv4 and IPv6 usually needs slightly different configs, different filters
>> > > (esp. addresses in filters) and having separate IPv4 sessions and IPv6
>> > > sessions means that you forward IPv4/6 routes only if IPv4/6 is really
>> > > working on the routers.
>> > > 
>> > 
>> > And what about BGP+ announcing IPv6 prefixes over IPv4 connection?
>> 
>> I am not sure what kind of answer you would expect. BIRD (AFAIK)
>> supports announcing IPv6 over IPv4 connection, but it is not a suggested
>> configuration. Because if bird6 is listening also on IPv4 socket, you
>> cannot start bird4 on the same address/iface. And also it can forward
>> IPv6 routes even if IPv6 is not really working on the router.
>> 
> 
> OK, I have my upstream provider providing my IPv4 and IPv6 connectivity.
> Your idea is to run 2 instances of BIRD and 2 BGP sessions to my peers
> just to announce my IPv4 and IPv6 routes, isn't it?

Imho that's BCP ... do IPv4 via IPv4 and IPv6 via IPv6.



Arnold
-- 
Arnold Nipper / nIPper consulting, Sandhausen, Germany
email: arnold at nipper.de       phone: +49 6224 9259 299
mobile: +49 172 2650958         fax: +49 6224 9259 333

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