[Linux-cluster] Re: Registring multicast IPs at iana

[Lon Hohberger]

On Tue, 2005-11-08 at 11:38 +0100, Axel Thimm wrote:

> 224.0.0/24 is for local network control, 224.0.1/24 is internetwork
> control including stuff like NTP syncing. There are unassigned IPs
> from 224.0.1.179 upwards. If they don't know what to do with you you
> get into 224.0.23.x upwards (currently 224.0.23.160). That's for ipv4,
> ipv6 is another beast.

True.

> It depends on how many IPs you'd like to reserve. I'd go for at least
> two to have a default config for redundant intracluster
> networking. And cman would by default use only the first one.

I wonder if we should just ask for a /20 or so range, so that all F/OSS
cluster projects can use the same known range in the future? /me shrugs

-- Lon