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: [email protected] phone: +49 6224 9259 299 mobile: +49 172 2650958 fax: +49 6224 9259 333
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